Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1911 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c
new file mode 100644
index 000000000..b719e9a77
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_sriov.c
@@ -0,0 +1,1911 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018, Intel Corporation. */
+
+#include "ice.h"
+#include "ice_vf_lib_private.h"
+#include "ice_base.h"
+#include "ice_lib.h"
+#include "ice_fltr.h"
+#include "ice_dcb_lib.h"
+#include "ice_flow.h"
+#include "ice_eswitch.h"
+#include "ice_virtchnl_allowlist.h"
+#include "ice_flex_pipe.h"
+#include "ice_vf_vsi_vlan_ops.h"
+#include "ice_vlan.h"
+
+/**
+ * ice_free_vf_entries - Free all VF entries from the hash table
+ * @pf: pointer to the PF structure
+ *
+ * Iterate over the VF hash table, removing and releasing all VF entries.
+ * Called during VF teardown or as cleanup during failed VF initialization.
+ */
+static void ice_free_vf_entries(struct ice_pf *pf)
+{
+	struct ice_vfs *vfs = &pf->vfs;
+	struct hlist_node *tmp;
+	struct ice_vf *vf;
+	unsigned int bkt;
+
+	/* Remove all VFs from the hash table and release their main
+	 * reference. Once all references to the VF are dropped, ice_put_vf()
+	 * will call ice_release_vf which will remove the VF memory.
+	 */
+	lockdep_assert_held(&vfs->table_lock);
+
+	hash_for_each_safe(vfs->table, bkt, tmp, vf, entry) {
+		hash_del_rcu(&vf->entry);
+		ice_put_vf(vf);
+	}
+}
+
+/**
+ * ice_vf_vsi_release - invalidate the VF's VSI after freeing it
+ * @vf: invalidate this VF's VSI after freeing it
+ */
+static void ice_vf_vsi_release(struct ice_vf *vf)
+{
+	struct ice_vsi *vsi = ice_get_vf_vsi(vf);
+
+	if (WARN_ON(!vsi))
+		return;
+
+	ice_vsi_release(vsi);
+	ice_vf_invalidate_vsi(vf);
+}
+
+/**
+ * ice_free_vf_res - Free a VF's resources
+ * @vf: pointer to the VF info
+ */
+static void ice_free_vf_res(struct ice_vf *vf)
+{
+	struct ice_pf *pf = vf->pf;
+	int i, last_vector_idx;
+
+	/* First, disable VF's configuration API to prevent OS from
+	 * accessing the VF's VSI after it's freed or invalidated.
+	 */
+	clear_bit(ICE_VF_STATE_INIT, vf->vf_states);
+	ice_vf_fdir_exit(vf);
+	/* free VF control VSI */
+	if (vf->ctrl_vsi_idx != ICE_NO_VSI)
+		ice_vf_ctrl_vsi_release(vf);
+
+	/* free VSI and disconnect it from the parent uplink */
+	if (vf->lan_vsi_idx != ICE_NO_VSI) {
+		ice_vf_vsi_release(vf);
+		vf->num_mac = 0;
+	}
+
+	last_vector_idx = vf->first_vector_idx + pf->vfs.num_msix_per - 1;
+
+	/* clear VF MDD event information */
+	memset(&vf->mdd_tx_events, 0, sizeof(vf->mdd_tx_events));
+	memset(&vf->mdd_rx_events, 0, sizeof(vf->mdd_rx_events));
+
+	/* Disable interrupts so that VF starts in a known state */
+	for (i = vf->first_vector_idx; i <= last_vector_idx; i++) {
+		wr32(&pf->hw, GLINT_DYN_CTL(i), GLINT_DYN_CTL_CLEARPBA_M);
+		ice_flush(&pf->hw);
+	}
+	/* reset some of the state variables keeping track of the resources */
+	clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states);
+	clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states);
+}
+
+/**
+ * ice_dis_vf_mappings
+ * @vf: pointer to the VF structure
+ */
+static void ice_dis_vf_mappings(struct ice_vf *vf)
+{
+	struct ice_pf *pf = vf->pf;
+	struct ice_vsi *vsi;
+	struct device *dev;
+	int first, last, v;
+	struct ice_hw *hw;
+
+	hw = &pf->hw;
+	vsi = ice_get_vf_vsi(vf);
+	if (WARN_ON(!vsi))
+		return;
+
+	dev = ice_pf_to_dev(pf);
+	wr32(hw, VPINT_ALLOC(vf->vf_id), 0);
+	wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), 0);
+
+	first = vf->first_vector_idx;
+	last = first + pf->vfs.num_msix_per - 1;
+	for (v = first; v <= last; v++) {
+		u32 reg;
+
+		reg = (((1 << GLINT_VECT2FUNC_IS_PF_S) &
+			GLINT_VECT2FUNC_IS_PF_M) |
+		       ((hw->pf_id << GLINT_VECT2FUNC_PF_NUM_S) &
+			GLINT_VECT2FUNC_PF_NUM_M));
+		wr32(hw, GLINT_VECT2FUNC(v), reg);
+	}
+
+	if (vsi->tx_mapping_mode == ICE_VSI_MAP_CONTIG)
+		wr32(hw, VPLAN_TX_QBASE(vf->vf_id), 0);
+	else
+		dev_err(dev, "Scattered mode for VF Tx queues is not yet implemented\n");
+
+	if (vsi->rx_mapping_mode == ICE_VSI_MAP_CONTIG)
+		wr32(hw, VPLAN_RX_QBASE(vf->vf_id), 0);
+	else
+		dev_err(dev, "Scattered mode for VF Rx queues is not yet implemented\n");
+}
+
+/**
+ * ice_sriov_free_msix_res - Reset/free any used MSIX resources
+ * @pf: pointer to the PF structure
+ *
+ * Since no MSIX entries are taken from the pf->irq_tracker then just clear
+ * the pf->sriov_base_vector.
+ *
+ * Returns 0 on success, and -EINVAL on error.
+ */
+static int ice_sriov_free_msix_res(struct ice_pf *pf)
+{
+	struct ice_res_tracker *res;
+
+	if (!pf)
+		return -EINVAL;
+
+	res = pf->irq_tracker;
+	if (!res)
+		return -EINVAL;
+
+	/* give back irq_tracker resources used */
+	WARN_ON(pf->sriov_base_vector < res->num_entries);
+
+	pf->sriov_base_vector = 0;
+
+	return 0;
+}
+
+/**
+ * ice_free_vfs - Free all VFs
+ * @pf: pointer to the PF structure
+ */
+void ice_free_vfs(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_vfs *vfs = &pf->vfs;
+	struct ice_hw *hw = &pf->hw;
+	struct ice_vf *vf;
+	unsigned int bkt;
+
+	if (!ice_has_vfs(pf))
+		return;
+
+	while (test_and_set_bit(ICE_VF_DIS, pf->state))
+		usleep_range(1000, 2000);
+
+	/* Disable IOV before freeing resources. This lets any VF drivers
+	 * running in the host get themselves cleaned up before we yank
+	 * the carpet out from underneath their feet.
+	 */
+	if (!pci_vfs_assigned(pf->pdev))
+		pci_disable_sriov(pf->pdev);
+	else
+		dev_warn(dev, "VFs are assigned - not disabling SR-IOV\n");
+
+	mutex_lock(&vfs->table_lock);
+
+	ice_eswitch_release(pf);
+
+	ice_for_each_vf(pf, bkt, vf) {
+		mutex_lock(&vf->cfg_lock);
+
+		ice_dis_vf_qs(vf);
+
+		if (test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
+			/* disable VF qp mappings and set VF disable state */
+			ice_dis_vf_mappings(vf);
+			set_bit(ICE_VF_STATE_DIS, vf->vf_states);
+			ice_free_vf_res(vf);
+		}
+
+		if (!pci_vfs_assigned(pf->pdev)) {
+			u32 reg_idx, bit_idx;
+
+			reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
+			bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
+			wr32(hw, GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
+		}
+
+		/* clear malicious info since the VF is getting released */
+		if (ice_mbx_clear_malvf(&hw->mbx_snapshot, pf->vfs.malvfs,
+					ICE_MAX_SRIOV_VFS, vf->vf_id))
+			dev_dbg(dev, "failed to clear malicious VF state for VF %u\n",
+				vf->vf_id);
+
+		mutex_unlock(&vf->cfg_lock);
+	}
+
+	if (ice_sriov_free_msix_res(pf))
+		dev_err(dev, "Failed to free MSIX resources used by SR-IOV\n");
+
+	vfs->num_qps_per = 0;
+	ice_free_vf_entries(pf);
+
+	mutex_unlock(&vfs->table_lock);
+
+	clear_bit(ICE_VF_DIS, pf->state);
+	clear_bit(ICE_FLAG_SRIOV_ENA, pf->flags);
+}
+
+/**
+ * ice_vf_vsi_setup - Set up a VF VSI
+ * @vf: VF to setup VSI for
+ *
+ * Returns pointer to the successfully allocated VSI struct on success,
+ * otherwise returns NULL on failure.
+ */
+static struct ice_vsi *ice_vf_vsi_setup(struct ice_vf *vf)
+{
+	struct ice_port_info *pi = ice_vf_get_port_info(vf);
+	struct ice_pf *pf = vf->pf;
+	struct ice_vsi *vsi;
+
+	vsi = ice_vsi_setup(pf, pi, ICE_VSI_VF, vf, NULL);
+
+	if (!vsi) {
+		dev_err(ice_pf_to_dev(pf), "Failed to create VF VSI\n");
+		ice_vf_invalidate_vsi(vf);
+		return NULL;
+	}
+
+	vf->lan_vsi_idx = vsi->idx;
+	vf->lan_vsi_num = vsi->vsi_num;
+
+	return vsi;
+}
+
+/**
+ * ice_calc_vf_first_vector_idx - Calculate MSIX vector index in the PF space
+ * @pf: pointer to PF structure
+ * @vf: pointer to VF that the first MSIX vector index is being calculated for
+ *
+ * This returns the first MSIX vector index in PF space that is used by this VF.
+ * This index is used when accessing PF relative registers such as
+ * GLINT_VECT2FUNC and GLINT_DYN_CTL.
+ * This will always be the OICR index in the AVF driver so any functionality
+ * using vf->first_vector_idx for queue configuration will have to increment by
+ * 1 to avoid meddling with the OICR index.
+ */
+static int ice_calc_vf_first_vector_idx(struct ice_pf *pf, struct ice_vf *vf)
+{
+	return pf->sriov_base_vector + vf->vf_id * pf->vfs.num_msix_per;
+}
+
+/**
+ * ice_ena_vf_msix_mappings - enable VF MSIX mappings in hardware
+ * @vf: VF to enable MSIX mappings for
+ *
+ * Some of the registers need to be indexed/configured using hardware global
+ * device values and other registers need 0-based values, which represent PF
+ * based values.
+ */
+static void ice_ena_vf_msix_mappings(struct ice_vf *vf)
+{
+	int device_based_first_msix, device_based_last_msix;
+	int pf_based_first_msix, pf_based_last_msix, v;
+	struct ice_pf *pf = vf->pf;
+	int device_based_vf_id;
+	struct ice_hw *hw;
+	u32 reg;
+
+	hw = &pf->hw;
+	pf_based_first_msix = vf->first_vector_idx;
+	pf_based_last_msix = (pf_based_first_msix + pf->vfs.num_msix_per) - 1;
+
+	device_based_first_msix = pf_based_first_msix +
+		pf->hw.func_caps.common_cap.msix_vector_first_id;
+	device_based_last_msix =
+		(device_based_first_msix + pf->vfs.num_msix_per) - 1;
+	device_based_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
+
+	reg = (((device_based_first_msix << VPINT_ALLOC_FIRST_S) &
+		VPINT_ALLOC_FIRST_M) |
+	       ((device_based_last_msix << VPINT_ALLOC_LAST_S) &
+		VPINT_ALLOC_LAST_M) | VPINT_ALLOC_VALID_M);
+	wr32(hw, VPINT_ALLOC(vf->vf_id), reg);
+
+	reg = (((device_based_first_msix << VPINT_ALLOC_PCI_FIRST_S)
+		 & VPINT_ALLOC_PCI_FIRST_M) |
+	       ((device_based_last_msix << VPINT_ALLOC_PCI_LAST_S) &
+		VPINT_ALLOC_PCI_LAST_M) | VPINT_ALLOC_PCI_VALID_M);
+	wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), reg);
+
+	/* map the interrupts to its functions */
+	for (v = pf_based_first_msix; v <= pf_based_last_msix; v++) {
+		reg = (((device_based_vf_id << GLINT_VECT2FUNC_VF_NUM_S) &
+			GLINT_VECT2FUNC_VF_NUM_M) |
+		       ((hw->pf_id << GLINT_VECT2FUNC_PF_NUM_S) &
+			GLINT_VECT2FUNC_PF_NUM_M));
+		wr32(hw, GLINT_VECT2FUNC(v), reg);
+	}
+
+	/* Map mailbox interrupt to VF MSI-X vector 0 */
+	wr32(hw, VPINT_MBX_CTL(device_based_vf_id), VPINT_MBX_CTL_CAUSE_ENA_M);
+}
+
+/**
+ * ice_ena_vf_q_mappings - enable Rx/Tx queue mappings for a VF
+ * @vf: VF to enable the mappings for
+ * @max_txq: max Tx queues allowed on the VF's VSI
+ * @max_rxq: max Rx queues allowed on the VF's VSI
+ */
+static void ice_ena_vf_q_mappings(struct ice_vf *vf, u16 max_txq, u16 max_rxq)
+{
+	struct device *dev = ice_pf_to_dev(vf->pf);
+	struct ice_vsi *vsi = ice_get_vf_vsi(vf);
+	struct ice_hw *hw = &vf->pf->hw;
+	u32 reg;
+
+	if (WARN_ON(!vsi))
+		return;
+
+	/* set regardless of mapping mode */
+	wr32(hw, VPLAN_TXQ_MAPENA(vf->vf_id), VPLAN_TXQ_MAPENA_TX_ENA_M);
+
+	/* VF Tx queues allocation */
+	if (vsi->tx_mapping_mode == ICE_VSI_MAP_CONTIG) {
+		/* set the VF PF Tx queue range
+		 * VFNUMQ value should be set to (number of queues - 1). A value
+		 * of 0 means 1 queue and a value of 255 means 256 queues
+		 */
+		reg = (((vsi->txq_map[0] << VPLAN_TX_QBASE_VFFIRSTQ_S) &
+			VPLAN_TX_QBASE_VFFIRSTQ_M) |
+		       (((max_txq - 1) << VPLAN_TX_QBASE_VFNUMQ_S) &
+			VPLAN_TX_QBASE_VFNUMQ_M));
+		wr32(hw, VPLAN_TX_QBASE(vf->vf_id), reg);
+	} else {
+		dev_err(dev, "Scattered mode for VF Tx queues is not yet implemented\n");
+	}
+
+	/* set regardless of mapping mode */
+	wr32(hw, VPLAN_RXQ_MAPENA(vf->vf_id), VPLAN_RXQ_MAPENA_RX_ENA_M);
+
+	/* VF Rx queues allocation */
+	if (vsi->rx_mapping_mode == ICE_VSI_MAP_CONTIG) {
+		/* set the VF PF Rx queue range
+		 * VFNUMQ value should be set to (number of queues - 1). A value
+		 * of 0 means 1 queue and a value of 255 means 256 queues
+		 */
+		reg = (((vsi->rxq_map[0] << VPLAN_RX_QBASE_VFFIRSTQ_S) &
+			VPLAN_RX_QBASE_VFFIRSTQ_M) |
+		       (((max_rxq - 1) << VPLAN_RX_QBASE_VFNUMQ_S) &
+			VPLAN_RX_QBASE_VFNUMQ_M));
+		wr32(hw, VPLAN_RX_QBASE(vf->vf_id), reg);
+	} else {
+		dev_err(dev, "Scattered mode for VF Rx queues is not yet implemented\n");
+	}
+}
+
+/**
+ * ice_ena_vf_mappings - enable VF MSIX and queue mapping
+ * @vf: pointer to the VF structure
+ */
+static void ice_ena_vf_mappings(struct ice_vf *vf)
+{
+	struct ice_vsi *vsi = ice_get_vf_vsi(vf);
+
+	if (WARN_ON(!vsi))
+		return;
+
+	ice_ena_vf_msix_mappings(vf);
+	ice_ena_vf_q_mappings(vf, vsi->alloc_txq, vsi->alloc_rxq);
+}
+
+/**
+ * ice_calc_vf_reg_idx - Calculate the VF's register index in the PF space
+ * @vf: VF to calculate the register index for
+ * @q_vector: a q_vector associated to the VF
+ */
+int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector)
+{
+	struct ice_pf *pf;
+
+	if (!vf || !q_vector)
+		return -EINVAL;
+
+	pf = vf->pf;
+
+	/* always add one to account for the OICR being the first MSIX */
+	return pf->sriov_base_vector + pf->vfs.num_msix_per * vf->vf_id +
+		q_vector->v_idx + 1;
+}
+
+/**
+ * ice_get_max_valid_res_idx - Get the max valid resource index
+ * @res: pointer to the resource to find the max valid index for
+ *
+ * Start from the end of the ice_res_tracker and return right when we find the
+ * first res->list entry with the ICE_RES_VALID_BIT set. This function is only
+ * valid for SR-IOV because it is the only consumer that manipulates the
+ * res->end and this is always called when res->end is set to res->num_entries.
+ */
+static int ice_get_max_valid_res_idx(struct ice_res_tracker *res)
+{
+	int i;
+
+	if (!res)
+		return -EINVAL;
+
+	for (i = res->num_entries - 1; i >= 0; i--)
+		if (res->list[i] & ICE_RES_VALID_BIT)
+			return i;
+
+	return 0;
+}
+
+/**
+ * ice_sriov_set_msix_res - Set any used MSIX resources
+ * @pf: pointer to PF structure
+ * @num_msix_needed: number of MSIX vectors needed for all SR-IOV VFs
+ *
+ * This function allows SR-IOV resources to be taken from the end of the PF's
+ * allowed HW MSIX vectors so that the irq_tracker will not be affected. We
+ * just set the pf->sriov_base_vector and return success.
+ *
+ * If there are not enough resources available, return an error. This should
+ * always be caught by ice_set_per_vf_res().
+ *
+ * Return 0 on success, and -EINVAL when there are not enough MSIX vectors
+ * in the PF's space available for SR-IOV.
+ */
+static int ice_sriov_set_msix_res(struct ice_pf *pf, u16 num_msix_needed)
+{
+	u16 total_vectors = pf->hw.func_caps.common_cap.num_msix_vectors;
+	int vectors_used = pf->irq_tracker->num_entries;
+	int sriov_base_vector;
+
+	sriov_base_vector = total_vectors - num_msix_needed;
+
+	/* make sure we only grab irq_tracker entries from the list end and
+	 * that we have enough available MSIX vectors
+	 */
+	if (sriov_base_vector < vectors_used)
+		return -EINVAL;
+
+	pf->sriov_base_vector = sriov_base_vector;
+
+	return 0;
+}
+
+/**
+ * ice_set_per_vf_res - check if vectors and queues are available
+ * @pf: pointer to the PF structure
+ * @num_vfs: the number of SR-IOV VFs being configured
+ *
+ * First, determine HW interrupts from common pool. If we allocate fewer VFs, we
+ * get more vectors and can enable more queues per VF. Note that this does not
+ * grab any vectors from the SW pool already allocated. Also note, that all
+ * vector counts include one for each VF's miscellaneous interrupt vector
+ * (i.e. OICR).
+ *
+ * Minimum VFs - 2 vectors, 1 queue pair
+ * Small VFs - 5 vectors, 4 queue pairs
+ * Medium VFs - 17 vectors, 16 queue pairs
+ *
+ * Second, determine number of queue pairs per VF by starting with a pre-defined
+ * maximum each VF supports. If this is not possible, then we adjust based on
+ * queue pairs available on the device.
+ *
+ * Lastly, set queue and MSI-X VF variables tracked by the PF so it can be used
+ * by each VF during VF initialization and reset.
+ */
+static int ice_set_per_vf_res(struct ice_pf *pf, u16 num_vfs)
+{
+	int max_valid_res_idx = ice_get_max_valid_res_idx(pf->irq_tracker);
+	u16 num_msix_per_vf, num_txq, num_rxq, avail_qs;
+	int msix_avail_per_vf, msix_avail_for_sriov;
+	struct device *dev = ice_pf_to_dev(pf);
+	int err;
+
+	lockdep_assert_held(&pf->vfs.table_lock);
+
+	if (!num_vfs)
+		return -EINVAL;
+
+	if (max_valid_res_idx < 0)
+		return -ENOSPC;
+
+	/* determine MSI-X resources per VF */
+	msix_avail_for_sriov = pf->hw.func_caps.common_cap.num_msix_vectors -
+		pf->irq_tracker->num_entries;
+	msix_avail_per_vf = msix_avail_for_sriov / num_vfs;
+	if (msix_avail_per_vf >= ICE_NUM_VF_MSIX_MED) {
+		num_msix_per_vf = ICE_NUM_VF_MSIX_MED;
+	} else if (msix_avail_per_vf >= ICE_NUM_VF_MSIX_SMALL) {
+		num_msix_per_vf = ICE_NUM_VF_MSIX_SMALL;
+	} else if (msix_avail_per_vf >= ICE_NUM_VF_MSIX_MULTIQ_MIN) {
+		num_msix_per_vf = ICE_NUM_VF_MSIX_MULTIQ_MIN;
+	} else if (msix_avail_per_vf >= ICE_MIN_INTR_PER_VF) {
+		num_msix_per_vf = ICE_MIN_INTR_PER_VF;
+	} else {
+		dev_err(dev, "Only %d MSI-X interrupts available for SR-IOV. Not enough to support minimum of %d MSI-X interrupts per VF for %d VFs\n",
+			msix_avail_for_sriov, ICE_MIN_INTR_PER_VF,
+			num_vfs);
+		return -ENOSPC;
+	}
+
+	num_txq = min_t(u16, num_msix_per_vf - ICE_NONQ_VECS_VF,
+			ICE_MAX_RSS_QS_PER_VF);
+	avail_qs = ice_get_avail_txq_count(pf) / num_vfs;
+	if (!avail_qs)
+		num_txq = 0;
+	else if (num_txq > avail_qs)
+		num_txq = rounddown_pow_of_two(avail_qs);
+
+	num_rxq = min_t(u16, num_msix_per_vf - ICE_NONQ_VECS_VF,
+			ICE_MAX_RSS_QS_PER_VF);
+	avail_qs = ice_get_avail_rxq_count(pf) / num_vfs;
+	if (!avail_qs)
+		num_rxq = 0;
+	else if (num_rxq > avail_qs)
+		num_rxq = rounddown_pow_of_two(avail_qs);
+
+	if (num_txq < ICE_MIN_QS_PER_VF || num_rxq < ICE_MIN_QS_PER_VF) {
+		dev_err(dev, "Not enough queues to support minimum of %d queue pairs per VF for %d VFs\n",
+			ICE_MIN_QS_PER_VF, num_vfs);
+		return -ENOSPC;
+	}
+
+	err = ice_sriov_set_msix_res(pf, num_msix_per_vf * num_vfs);
+	if (err) {
+		dev_err(dev, "Unable to set MSI-X resources for %d VFs, err %d\n",
+			num_vfs, err);
+		return err;
+	}
+
+	/* only allow equal Tx/Rx queue count (i.e. queue pairs) */
+	pf->vfs.num_qps_per = min_t(int, num_txq, num_rxq);
+	pf->vfs.num_msix_per = num_msix_per_vf;
+	dev_info(dev, "Enabling %d VFs with %d vectors and %d queues per VF\n",
+		 num_vfs, pf->vfs.num_msix_per, pf->vfs.num_qps_per);
+
+	return 0;
+}
+
+/**
+ * ice_init_vf_vsi_res - initialize/setup VF VSI resources
+ * @vf: VF to initialize/setup the VSI for
+ *
+ * This function creates a VSI for the VF, adds a VLAN 0 filter, and sets up the
+ * VF VSI's broadcast filter and is only used during initial VF creation.
+ */
+static int ice_init_vf_vsi_res(struct ice_vf *vf)
+{
+	struct ice_vsi_vlan_ops *vlan_ops;
+	struct ice_pf *pf = vf->pf;
+	u8 broadcast[ETH_ALEN];
+	struct ice_vsi *vsi;
+	struct device *dev;
+	int err;
+
+	vf->first_vector_idx = ice_calc_vf_first_vector_idx(pf, vf);
+
+	dev = ice_pf_to_dev(pf);
+	vsi = ice_vf_vsi_setup(vf);
+	if (!vsi)
+		return -ENOMEM;
+
+	err = ice_vsi_add_vlan_zero(vsi);
+	if (err) {
+		dev_warn(dev, "Failed to add VLAN 0 filter for VF %d\n",
+			 vf->vf_id);
+		goto release_vsi;
+	}
+
+	vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
+	err = vlan_ops->ena_rx_filtering(vsi);
+	if (err) {
+		dev_warn(dev, "Failed to enable Rx VLAN filtering for VF %d\n",
+			 vf->vf_id);
+		goto release_vsi;
+	}
+
+	eth_broadcast_addr(broadcast);
+	err = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI);
+	if (err) {
+		dev_err(dev, "Failed to add broadcast MAC filter for VF %d, error %d\n",
+			vf->vf_id, err);
+		goto release_vsi;
+	}
+
+	err = ice_vsi_apply_spoofchk(vsi, vf->spoofchk);
+	if (err) {
+		dev_warn(dev, "Failed to initialize spoofchk setting for VF %d\n",
+			 vf->vf_id);
+		goto release_vsi;
+	}
+
+	vf->num_mac = 1;
+
+	return 0;
+
+release_vsi:
+	ice_vf_vsi_release(vf);
+	return err;
+}
+
+/**
+ * ice_start_vfs - start VFs so they are ready to be used by SR-IOV
+ * @pf: PF the VFs are associated with
+ */
+static int ice_start_vfs(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+	unsigned int bkt, it_cnt;
+	struct ice_vf *vf;
+	int retval;
+
+	lockdep_assert_held(&pf->vfs.table_lock);
+
+	it_cnt = 0;
+	ice_for_each_vf(pf, bkt, vf) {
+		vf->vf_ops->clear_reset_trigger(vf);
+
+		retval = ice_init_vf_vsi_res(vf);
+		if (retval) {
+			dev_err(ice_pf_to_dev(pf), "Failed to initialize VSI resources for VF %d, error %d\n",
+				vf->vf_id, retval);
+			goto teardown;
+		}
+
+		set_bit(ICE_VF_STATE_INIT, vf->vf_states);
+		ice_ena_vf_mappings(vf);
+		wr32(hw, VFGEN_RSTAT(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
+		it_cnt++;
+	}
+
+	ice_flush(hw);
+	return 0;
+
+teardown:
+	ice_for_each_vf(pf, bkt, vf) {
+		if (it_cnt == 0)
+			break;
+
+		ice_dis_vf_mappings(vf);
+		ice_vf_vsi_release(vf);
+		it_cnt--;
+	}
+
+	return retval;
+}
+
+/**
+ * ice_sriov_free_vf - Free VF memory after all references are dropped
+ * @vf: pointer to VF to free
+ *
+ * Called by ice_put_vf through ice_release_vf once the last reference to a VF
+ * structure has been dropped.
+ */
+static void ice_sriov_free_vf(struct ice_vf *vf)
+{
+	mutex_destroy(&vf->cfg_lock);
+
+	kfree_rcu(vf, rcu);
+}
+
+/**
+ * ice_sriov_clear_reset_state - clears VF Reset status register
+ * @vf: the vf to configure
+ */
+static void ice_sriov_clear_reset_state(struct ice_vf *vf)
+{
+	struct ice_hw *hw = &vf->pf->hw;
+
+	/* Clear the reset status register so that VF immediately sees that
+	 * the device is resetting, even if hardware hasn't yet gotten around
+	 * to clearing VFGEN_RSTAT for us.
+	 */
+	wr32(hw, VFGEN_RSTAT(vf->vf_id), VIRTCHNL_VFR_INPROGRESS);
+}
+
+/**
+ * ice_sriov_clear_mbx_register - clears SRIOV VF's mailbox registers
+ * @vf: the vf to configure
+ */
+static void ice_sriov_clear_mbx_register(struct ice_vf *vf)
+{
+	struct ice_pf *pf = vf->pf;
+
+	wr32(&pf->hw, VF_MBX_ARQLEN(vf->vf_id), 0);
+	wr32(&pf->hw, VF_MBX_ATQLEN(vf->vf_id), 0);
+}
+
+/**
+ * ice_sriov_trigger_reset_register - trigger VF reset for SRIOV VF
+ * @vf: pointer to VF structure
+ * @is_vflr: true if reset occurred due to VFLR
+ *
+ * Trigger and cleanup after a VF reset for a SR-IOV VF.
+ */
+static void ice_sriov_trigger_reset_register(struct ice_vf *vf, bool is_vflr)
+{
+	struct ice_pf *pf = vf->pf;
+	u32 reg, reg_idx, bit_idx;
+	unsigned int vf_abs_id, i;
+	struct device *dev;
+	struct ice_hw *hw;
+
+	dev = ice_pf_to_dev(pf);
+	hw = &pf->hw;
+	vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
+
+	/* In the case of a VFLR, HW has already reset the VF and we just need
+	 * to clean up. Otherwise we must first trigger the reset using the
+	 * VFRTRIG register.
+	 */
+	if (!is_vflr) {
+		reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_id));
+		reg |= VPGEN_VFRTRIG_VFSWR_M;
+		wr32(hw, VPGEN_VFRTRIG(vf->vf_id), reg);
+	}
+
+	/* clear the VFLR bit in GLGEN_VFLRSTAT */
+	reg_idx = (vf_abs_id) / 32;
+	bit_idx = (vf_abs_id) % 32;
+	wr32(hw, GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
+	ice_flush(hw);
+
+	wr32(hw, PF_PCI_CIAA,
+	     VF_DEVICE_STATUS | (vf_abs_id << PF_PCI_CIAA_VF_NUM_S));
+	for (i = 0; i < ICE_PCI_CIAD_WAIT_COUNT; i++) {
+		reg = rd32(hw, PF_PCI_CIAD);
+		/* no transactions pending so stop polling */
+		if ((reg & VF_TRANS_PENDING_M) == 0)
+			break;
+
+		dev_err(dev, "VF %u PCI transactions stuck\n", vf->vf_id);
+		udelay(ICE_PCI_CIAD_WAIT_DELAY_US);
+	}
+}
+
+/**
+ * ice_sriov_poll_reset_status - poll SRIOV VF reset status
+ * @vf: pointer to VF structure
+ *
+ * Returns true when reset is successful, else returns false
+ */
+static bool ice_sriov_poll_reset_status(struct ice_vf *vf)
+{
+	struct ice_pf *pf = vf->pf;
+	unsigned int i;
+	u32 reg;
+
+	for (i = 0; i < 10; i++) {
+		/* VF reset requires driver to first reset the VF and then
+		 * poll the status register to make sure that the reset
+		 * completed successfully.
+		 */
+		reg = rd32(&pf->hw, VPGEN_VFRSTAT(vf->vf_id));
+		if (reg & VPGEN_VFRSTAT_VFRD_M)
+			return true;
+
+		/* only sleep if the reset is not done */
+		usleep_range(10, 20);
+	}
+	return false;
+}
+
+/**
+ * ice_sriov_clear_reset_trigger - enable VF to access hardware
+ * @vf: VF to enabled hardware access for
+ */
+static void ice_sriov_clear_reset_trigger(struct ice_vf *vf)
+{
+	struct ice_hw *hw = &vf->pf->hw;
+	u32 reg;
+
+	reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_id));
+	reg &= ~VPGEN_VFRTRIG_VFSWR_M;
+	wr32(hw, VPGEN_VFRTRIG(vf->vf_id), reg);
+	ice_flush(hw);
+}
+
+/**
+ * ice_sriov_vsi_rebuild - release and rebuild VF's VSI
+ * @vf: VF to release and setup the VSI for
+ *
+ * This is only called when a single VF is being reset (i.e. VFR, VFLR, host VF
+ * configuration change, etc.).
+ */
+static int ice_sriov_vsi_rebuild(struct ice_vf *vf)
+{
+	struct ice_pf *pf = vf->pf;
+
+	ice_vf_vsi_release(vf);
+	if (!ice_vf_vsi_setup(vf)) {
+		dev_err(ice_pf_to_dev(pf),
+			"Failed to release and setup the VF%u's VSI\n",
+			vf->vf_id);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+/**
+ * ice_sriov_post_vsi_rebuild - tasks to do after the VF's VSI have been rebuilt
+ * @vf: VF to perform tasks on
+ */
+static void ice_sriov_post_vsi_rebuild(struct ice_vf *vf)
+{
+	ice_vf_rebuild_host_cfg(vf);
+	ice_vf_set_initialized(vf);
+	ice_ena_vf_mappings(vf);
+	wr32(&vf->pf->hw, VFGEN_RSTAT(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
+}
+
+static const struct ice_vf_ops ice_sriov_vf_ops = {
+	.reset_type = ICE_VF_RESET,
+	.free = ice_sriov_free_vf,
+	.clear_reset_state = ice_sriov_clear_reset_state,
+	.clear_mbx_register = ice_sriov_clear_mbx_register,
+	.trigger_reset_register = ice_sriov_trigger_reset_register,
+	.poll_reset_status = ice_sriov_poll_reset_status,
+	.clear_reset_trigger = ice_sriov_clear_reset_trigger,
+	.vsi_rebuild = ice_sriov_vsi_rebuild,
+	.post_vsi_rebuild = ice_sriov_post_vsi_rebuild,
+};
+
+/**
+ * ice_create_vf_entries - Allocate and insert VF entries
+ * @pf: pointer to the PF structure
+ * @num_vfs: the number of VFs to allocate
+ *
+ * Allocate new VF entries and insert them into the hash table. Set some
+ * basic default fields for initializing the new VFs.
+ *
+ * After this function exits, the hash table will have num_vfs entries
+ * inserted.
+ *
+ * Returns 0 on success or an integer error code on failure.
+ */
+static int ice_create_vf_entries(struct ice_pf *pf, u16 num_vfs)
+{
+	struct ice_vfs *vfs = &pf->vfs;
+	struct ice_vf *vf;
+	u16 vf_id;
+	int err;
+
+	lockdep_assert_held(&vfs->table_lock);
+
+	for (vf_id = 0; vf_id < num_vfs; vf_id++) {
+		vf = kzalloc(sizeof(*vf), GFP_KERNEL);
+		if (!vf) {
+			err = -ENOMEM;
+			goto err_free_entries;
+		}
+		kref_init(&vf->refcnt);
+
+		vf->pf = pf;
+		vf->vf_id = vf_id;
+
+		/* set sriov vf ops for VFs created during SRIOV flow */
+		vf->vf_ops = &ice_sriov_vf_ops;
+
+		vf->vf_sw_id = pf->first_sw;
+		/* assign default capabilities */
+		vf->spoofchk = true;
+		vf->num_vf_qs = pf->vfs.num_qps_per;
+		ice_vc_set_default_allowlist(vf);
+
+		/* ctrl_vsi_idx will be set to a valid value only when VF
+		 * creates its first fdir rule.
+		 */
+		ice_vf_ctrl_invalidate_vsi(vf);
+		ice_vf_fdir_init(vf);
+
+		ice_virtchnl_set_dflt_ops(vf);
+
+		mutex_init(&vf->cfg_lock);
+
+		hash_add_rcu(vfs->table, &vf->entry, vf_id);
+	}
+
+	return 0;
+
+err_free_entries:
+	ice_free_vf_entries(pf);
+	return err;
+}
+
+/**
+ * ice_ena_vfs - enable VFs so they are ready to be used
+ * @pf: pointer to the PF structure
+ * @num_vfs: number of VFs to enable
+ */
+static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+	int ret;
+
+	/* Disable global interrupt 0 so we don't try to handle the VFLR. */
+	wr32(hw, GLINT_DYN_CTL(pf->oicr_idx),
+	     ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S);
+	set_bit(ICE_OICR_INTR_DIS, pf->state);
+	ice_flush(hw);
+
+	ret = pci_enable_sriov(pf->pdev, num_vfs);
+	if (ret)
+		goto err_unroll_intr;
+
+	mutex_lock(&pf->vfs.table_lock);
+
+	ret = ice_set_per_vf_res(pf, num_vfs);
+	if (ret) {
+		dev_err(dev, "Not enough resources for %d VFs, err %d. Try with fewer number of VFs\n",
+			num_vfs, ret);
+		goto err_unroll_sriov;
+	}
+
+	ret = ice_create_vf_entries(pf, num_vfs);
+	if (ret) {
+		dev_err(dev, "Failed to allocate VF entries for %d VFs\n",
+			num_vfs);
+		goto err_unroll_sriov;
+	}
+
+	ret = ice_start_vfs(pf);
+	if (ret) {
+		dev_err(dev, "Failed to start %d VFs, err %d\n", num_vfs, ret);
+		ret = -EAGAIN;
+		goto err_unroll_vf_entries;
+	}
+
+	clear_bit(ICE_VF_DIS, pf->state);
+
+	ret = ice_eswitch_configure(pf);
+	if (ret) {
+		dev_err(dev, "Failed to configure eswitch, err %d\n", ret);
+		goto err_unroll_sriov;
+	}
+
+	/* rearm global interrupts */
+	if (test_and_clear_bit(ICE_OICR_INTR_DIS, pf->state))
+		ice_irq_dynamic_ena(hw, NULL, NULL);
+
+	mutex_unlock(&pf->vfs.table_lock);
+
+	return 0;
+
+err_unroll_vf_entries:
+	ice_free_vf_entries(pf);
+err_unroll_sriov:
+	mutex_unlock(&pf->vfs.table_lock);
+	pci_disable_sriov(pf->pdev);
+err_unroll_intr:
+	/* rearm interrupts here */
+	ice_irq_dynamic_ena(hw, NULL, NULL);
+	clear_bit(ICE_OICR_INTR_DIS, pf->state);
+	return ret;
+}
+
+/**
+ * ice_pci_sriov_ena - Enable or change number of VFs
+ * @pf: pointer to the PF structure
+ * @num_vfs: number of VFs to allocate
+ *
+ * Returns 0 on success and negative on failure
+ */
+static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs)
+{
+	int pre_existing_vfs = pci_num_vf(pf->pdev);
+	struct device *dev = ice_pf_to_dev(pf);
+	int err;
+
+	if (pre_existing_vfs && pre_existing_vfs != num_vfs)
+		ice_free_vfs(pf);
+	else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
+		return 0;
+
+	if (num_vfs > pf->vfs.num_supported) {
+		dev_err(dev, "Can't enable %d VFs, max VFs supported is %d\n",
+			num_vfs, pf->vfs.num_supported);
+		return -EOPNOTSUPP;
+	}
+
+	dev_info(dev, "Enabling %d VFs\n", num_vfs);
+	err = ice_ena_vfs(pf, num_vfs);
+	if (err) {
+		dev_err(dev, "Failed to enable SR-IOV: %d\n", err);
+		return err;
+	}
+
+	set_bit(ICE_FLAG_SRIOV_ENA, pf->flags);
+	return 0;
+}
+
+/**
+ * ice_check_sriov_allowed - check if SR-IOV is allowed based on various checks
+ * @pf: PF to enabled SR-IOV on
+ */
+static int ice_check_sriov_allowed(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+
+	if (!test_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags)) {
+		dev_err(dev, "This device is not capable of SR-IOV\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (ice_is_safe_mode(pf)) {
+		dev_err(dev, "SR-IOV cannot be configured - Device is in Safe Mode\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (!ice_pf_state_is_nominal(pf)) {
+		dev_err(dev, "Cannot enable SR-IOV, device not ready\n");
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
+/**
+ * ice_sriov_configure - Enable or change number of VFs via sysfs
+ * @pdev: pointer to a pci_dev structure
+ * @num_vfs: number of VFs to allocate or 0 to free VFs
+ *
+ * This function is called when the user updates the number of VFs in sysfs. On
+ * success return whatever num_vfs was set to by the caller. Return negative on
+ * failure.
+ */
+int ice_sriov_configure(struct pci_dev *pdev, int num_vfs)
+{
+	struct ice_pf *pf = pci_get_drvdata(pdev);
+	struct device *dev = ice_pf_to_dev(pf);
+	int err;
+
+	err = ice_check_sriov_allowed(pf);
+	if (err)
+		return err;
+
+	if (!num_vfs) {
+		if (!pci_vfs_assigned(pdev)) {
+			ice_free_vfs(pf);
+			ice_mbx_deinit_snapshot(&pf->hw);
+			if (pf->lag)
+				ice_enable_lag(pf->lag);
+			return 0;
+		}
+
+		dev_err(dev, "can't free VFs because some are assigned to VMs.\n");
+		return -EBUSY;
+	}
+
+	err = ice_mbx_init_snapshot(&pf->hw, num_vfs);
+	if (err)
+		return err;
+
+	err = ice_pci_sriov_ena(pf, num_vfs);
+	if (err) {
+		ice_mbx_deinit_snapshot(&pf->hw);
+		return err;
+	}
+
+	if (pf->lag)
+		ice_disable_lag(pf->lag);
+	return num_vfs;
+}
+
+/**
+ * ice_process_vflr_event - Free VF resources via IRQ calls
+ * @pf: pointer to the PF structure
+ *
+ * called from the VFLR IRQ handler to
+ * free up VF resources and state variables
+ */
+void ice_process_vflr_event(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+	struct ice_vf *vf;
+	unsigned int bkt;
+	u32 reg;
+
+	if (!test_and_clear_bit(ICE_VFLR_EVENT_PENDING, pf->state) ||
+	    !ice_has_vfs(pf))
+		return;
+
+	mutex_lock(&pf->vfs.table_lock);
+	ice_for_each_vf(pf, bkt, vf) {
+		u32 reg_idx, bit_idx;
+
+		reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
+		bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
+		/* read GLGEN_VFLRSTAT register to find out the flr VFs */
+		reg = rd32(hw, GLGEN_VFLRSTAT(reg_idx));
+		if (reg & BIT(bit_idx))
+			/* GLGEN_VFLRSTAT bit will be cleared in ice_reset_vf */
+			ice_reset_vf(vf, ICE_VF_RESET_VFLR | ICE_VF_RESET_LOCK);
+	}
+	mutex_unlock(&pf->vfs.table_lock);
+}
+
+/**
+ * ice_get_vf_from_pfq - get the VF who owns the PF space queue passed in
+ * @pf: PF used to index all VFs
+ * @pfq: queue index relative to the PF's function space
+ *
+ * If no VF is found who owns the pfq then return NULL, otherwise return a
+ * pointer to the VF who owns the pfq
+ *
+ * If this function returns non-NULL, it acquires a reference count of the VF
+ * structure. The caller is responsible for calling ice_put_vf() to drop this
+ * reference.
+ */
+static struct ice_vf *ice_get_vf_from_pfq(struct ice_pf *pf, u16 pfq)
+{
+	struct ice_vf *vf;
+	unsigned int bkt;
+
+	rcu_read_lock();
+	ice_for_each_vf_rcu(pf, bkt, vf) {
+		struct ice_vsi *vsi;
+		u16 rxq_idx;
+
+		vsi = ice_get_vf_vsi(vf);
+		if (!vsi)
+			continue;
+
+		ice_for_each_rxq(vsi, rxq_idx)
+			if (vsi->rxq_map[rxq_idx] == pfq) {
+				struct ice_vf *found;
+
+				if (kref_get_unless_zero(&vf->refcnt))
+					found = vf;
+				else
+					found = NULL;
+				rcu_read_unlock();
+				return found;
+			}
+	}
+	rcu_read_unlock();
+
+	return NULL;
+}
+
+/**
+ * ice_globalq_to_pfq - convert from global queue index to PF space queue index
+ * @pf: PF used for conversion
+ * @globalq: global queue index used to convert to PF space queue index
+ */
+static u32 ice_globalq_to_pfq(struct ice_pf *pf, u32 globalq)
+{
+	return globalq - pf->hw.func_caps.common_cap.rxq_first_id;
+}
+
+/**
+ * ice_vf_lan_overflow_event - handle LAN overflow event for a VF
+ * @pf: PF that the LAN overflow event happened on
+ * @event: structure holding the event information for the LAN overflow event
+ *
+ * Determine if the LAN overflow event was caused by a VF queue. If it was not
+ * caused by a VF, do nothing. If a VF caused this LAN overflow event trigger a
+ * reset on the offending VF.
+ */
+void
+ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event)
+{
+	u32 gldcb_rtctq, queue;
+	struct ice_vf *vf;
+
+	gldcb_rtctq = le32_to_cpu(event->desc.params.lan_overflow.prtdcb_ruptq);
+	dev_dbg(ice_pf_to_dev(pf), "GLDCB_RTCTQ: 0x%08x\n", gldcb_rtctq);
+
+	/* event returns device global Rx queue number */
+	queue = (gldcb_rtctq & GLDCB_RTCTQ_RXQNUM_M) >>
+		GLDCB_RTCTQ_RXQNUM_S;
+
+	vf = ice_get_vf_from_pfq(pf, ice_globalq_to_pfq(pf, queue));
+	if (!vf)
+		return;
+
+	ice_reset_vf(vf, ICE_VF_RESET_NOTIFY | ICE_VF_RESET_LOCK);
+	ice_put_vf(vf);
+}
+
+/**
+ * ice_set_vf_spoofchk
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @ena: flag to enable or disable feature
+ *
+ * Enable or disable VF spoof checking
+ */
+int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_pf *pf = np->vsi->back;
+	struct ice_vsi *vf_vsi;
+	struct device *dev;
+	struct ice_vf *vf;
+	int ret;
+
+	dev = ice_pf_to_dev(pf);
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return -EINVAL;
+
+	ret = ice_check_vf_ready_for_cfg(vf);
+	if (ret)
+		goto out_put_vf;
+
+	vf_vsi = ice_get_vf_vsi(vf);
+	if (!vf_vsi) {
+		netdev_err(netdev, "VSI %d for VF %d is null\n",
+			   vf->lan_vsi_idx, vf->vf_id);
+		ret = -EINVAL;
+		goto out_put_vf;
+	}
+
+	if (vf_vsi->type != ICE_VSI_VF) {
+		netdev_err(netdev, "Type %d of VSI %d for VF %d is no ICE_VSI_VF\n",
+			   vf_vsi->type, vf_vsi->vsi_num, vf->vf_id);
+		ret = -ENODEV;
+		goto out_put_vf;
+	}
+
+	if (ena == vf->spoofchk) {
+		dev_dbg(dev, "VF spoofchk already %s\n", ena ? "ON" : "OFF");
+		ret = 0;
+		goto out_put_vf;
+	}
+
+	ret = ice_vsi_apply_spoofchk(vf_vsi, ena);
+	if (ret)
+		dev_err(dev, "Failed to set spoofchk %s for VF %d VSI %d\n error %d\n",
+			ena ? "ON" : "OFF", vf->vf_id, vf_vsi->vsi_num, ret);
+	else
+		vf->spoofchk = ena;
+
+out_put_vf:
+	ice_put_vf(vf);
+	return ret;
+}
+
+/**
+ * ice_get_vf_cfg
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @ivi: VF configuration structure
+ *
+ * return VF configuration
+ */
+int
+ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	struct ice_vf *vf;
+	int ret;
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return -EINVAL;
+
+	ret = ice_check_vf_ready_for_cfg(vf);
+	if (ret)
+		goto out_put_vf;
+
+	ivi->vf = vf_id;
+	ether_addr_copy(ivi->mac, vf->hw_lan_addr.addr);
+
+	/* VF configuration for VLAN and applicable QoS */
+	ivi->vlan = ice_vf_get_port_vlan_id(vf);
+	ivi->qos = ice_vf_get_port_vlan_prio(vf);
+	if (ice_vf_is_port_vlan_ena(vf))
+		ivi->vlan_proto = cpu_to_be16(ice_vf_get_port_vlan_tpid(vf));
+
+	ivi->trusted = vf->trusted;
+	ivi->spoofchk = vf->spoofchk;
+	if (!vf->link_forced)
+		ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
+	else if (vf->link_up)
+		ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
+	else
+		ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
+	ivi->max_tx_rate = vf->max_tx_rate;
+	ivi->min_tx_rate = vf->min_tx_rate;
+
+out_put_vf:
+	ice_put_vf(vf);
+	return ret;
+}
+
+/**
+ * ice_set_vf_mac
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @mac: MAC address
+ *
+ * program VF MAC address
+ */
+int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	struct ice_vf *vf;
+	int ret;
+
+	if (is_multicast_ether_addr(mac)) {
+		netdev_err(netdev, "%pM not a valid unicast address\n", mac);
+		return -EINVAL;
+	}
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return -EINVAL;
+
+	/* nothing left to do, unicast MAC already set */
+	if (ether_addr_equal(vf->dev_lan_addr.addr, mac) &&
+	    ether_addr_equal(vf->hw_lan_addr.addr, mac)) {
+		ret = 0;
+		goto out_put_vf;
+	}
+
+	ret = ice_check_vf_ready_for_cfg(vf);
+	if (ret)
+		goto out_put_vf;
+
+	mutex_lock(&vf->cfg_lock);
+
+	/* VF is notified of its new MAC via the PF's response to the
+	 * VIRTCHNL_OP_GET_VF_RESOURCES message after the VF has been reset
+	 */
+	ether_addr_copy(vf->dev_lan_addr.addr, mac);
+	ether_addr_copy(vf->hw_lan_addr.addr, mac);
+	if (is_zero_ether_addr(mac)) {
+		/* VF will send VIRTCHNL_OP_ADD_ETH_ADDR message with its MAC */
+		vf->pf_set_mac = false;
+		netdev_info(netdev, "Removing MAC on VF %d. VF driver will be reinitialized\n",
+			    vf->vf_id);
+	} else {
+		/* PF will add MAC rule for the VF */
+		vf->pf_set_mac = true;
+		netdev_info(netdev, "Setting MAC %pM on VF %d. VF driver will be reinitialized\n",
+			    mac, vf_id);
+	}
+
+	ice_reset_vf(vf, ICE_VF_RESET_NOTIFY);
+	mutex_unlock(&vf->cfg_lock);
+
+out_put_vf:
+	ice_put_vf(vf);
+	return ret;
+}
+
+/**
+ * ice_set_vf_trust
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @trusted: Boolean value to enable/disable trusted VF
+ *
+ * Enable or disable a given VF as trusted
+ */
+int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	struct ice_vf *vf;
+	int ret;
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return -EINVAL;
+
+	if (ice_is_eswitch_mode_switchdev(pf)) {
+		dev_info(ice_pf_to_dev(pf), "Trusted VF is forbidden in switchdev mode\n");
+		return -EOPNOTSUPP;
+	}
+
+	ret = ice_check_vf_ready_for_cfg(vf);
+	if (ret)
+		goto out_put_vf;
+
+	/* Check if already trusted */
+	if (trusted == vf->trusted) {
+		ret = 0;
+		goto out_put_vf;
+	}
+
+	mutex_lock(&vf->cfg_lock);
+
+	vf->trusted = trusted;
+	ice_reset_vf(vf, ICE_VF_RESET_NOTIFY);
+	dev_info(ice_pf_to_dev(pf), "VF %u is now %strusted\n",
+		 vf_id, trusted ? "" : "un");
+
+	mutex_unlock(&vf->cfg_lock);
+
+out_put_vf:
+	ice_put_vf(vf);
+	return ret;
+}
+
+/**
+ * ice_set_vf_link_state
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @link_state: required link state
+ *
+ * Set VF's link state, irrespective of physical link state status
+ */
+int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	struct ice_vf *vf;
+	int ret;
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return -EINVAL;
+
+	ret = ice_check_vf_ready_for_cfg(vf);
+	if (ret)
+		goto out_put_vf;
+
+	switch (link_state) {
+	case IFLA_VF_LINK_STATE_AUTO:
+		vf->link_forced = false;
+		break;
+	case IFLA_VF_LINK_STATE_ENABLE:
+		vf->link_forced = true;
+		vf->link_up = true;
+		break;
+	case IFLA_VF_LINK_STATE_DISABLE:
+		vf->link_forced = true;
+		vf->link_up = false;
+		break;
+	default:
+		ret = -EINVAL;
+		goto out_put_vf;
+	}
+
+	ice_vc_notify_vf_link_state(vf);
+
+out_put_vf:
+	ice_put_vf(vf);
+	return ret;
+}
+
+/**
+ * ice_calc_all_vfs_min_tx_rate - calculate cumulative min Tx rate on all VFs
+ * @pf: PF associated with VFs
+ */
+static int ice_calc_all_vfs_min_tx_rate(struct ice_pf *pf)
+{
+	struct ice_vf *vf;
+	unsigned int bkt;
+	int rate = 0;
+
+	rcu_read_lock();
+	ice_for_each_vf_rcu(pf, bkt, vf)
+		rate += vf->min_tx_rate;
+	rcu_read_unlock();
+
+	return rate;
+}
+
+/**
+ * ice_min_tx_rate_oversubscribed - check if min Tx rate causes oversubscription
+ * @vf: VF trying to configure min_tx_rate
+ * @min_tx_rate: min Tx rate in Mbps
+ *
+ * Check if the min_tx_rate being passed in will cause oversubscription of total
+ * min_tx_rate based on the current link speed and all other VFs configured
+ * min_tx_rate
+ *
+ * Return true if the passed min_tx_rate would cause oversubscription, else
+ * return false
+ */
+static bool
+ice_min_tx_rate_oversubscribed(struct ice_vf *vf, int min_tx_rate)
+{
+	struct ice_vsi *vsi = ice_get_vf_vsi(vf);
+	int all_vfs_min_tx_rate;
+	int link_speed_mbps;
+
+	if (WARN_ON(!vsi))
+		return false;
+
+	link_speed_mbps = ice_get_link_speed_mbps(vsi);
+	all_vfs_min_tx_rate = ice_calc_all_vfs_min_tx_rate(vf->pf);
+
+	/* this VF's previous rate is being overwritten */
+	all_vfs_min_tx_rate -= vf->min_tx_rate;
+
+	if (all_vfs_min_tx_rate + min_tx_rate > link_speed_mbps) {
+		dev_err(ice_pf_to_dev(vf->pf), "min_tx_rate of %d Mbps on VF %u would cause oversubscription of %d Mbps based on the current link speed %d Mbps\n",
+			min_tx_rate, vf->vf_id,
+			all_vfs_min_tx_rate + min_tx_rate - link_speed_mbps,
+			link_speed_mbps);
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * ice_set_vf_bw - set min/max VF bandwidth
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @min_tx_rate: Minimum Tx rate in Mbps
+ * @max_tx_rate: Maximum Tx rate in Mbps
+ */
+int
+ice_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
+	      int max_tx_rate)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	struct ice_vsi *vsi;
+	struct device *dev;
+	struct ice_vf *vf;
+	int ret;
+
+	dev = ice_pf_to_dev(pf);
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return -EINVAL;
+
+	ret = ice_check_vf_ready_for_cfg(vf);
+	if (ret)
+		goto out_put_vf;
+
+	vsi = ice_get_vf_vsi(vf);
+	if (!vsi) {
+		ret = -EINVAL;
+		goto out_put_vf;
+	}
+
+	if (min_tx_rate && ice_is_dcb_active(pf)) {
+		dev_err(dev, "DCB on PF is currently enabled. VF min Tx rate limiting not allowed on this PF.\n");
+		ret = -EOPNOTSUPP;
+		goto out_put_vf;
+	}
+
+	if (ice_min_tx_rate_oversubscribed(vf, min_tx_rate)) {
+		ret = -EINVAL;
+		goto out_put_vf;
+	}
+
+	if (vf->min_tx_rate != (unsigned int)min_tx_rate) {
+		ret = ice_set_min_bw_limit(vsi, (u64)min_tx_rate * 1000);
+		if (ret) {
+			dev_err(dev, "Unable to set min-tx-rate for VF %d\n",
+				vf->vf_id);
+			goto out_put_vf;
+		}
+
+		vf->min_tx_rate = min_tx_rate;
+	}
+
+	if (vf->max_tx_rate != (unsigned int)max_tx_rate) {
+		ret = ice_set_max_bw_limit(vsi, (u64)max_tx_rate * 1000);
+		if (ret) {
+			dev_err(dev, "Unable to set max-tx-rate for VF %d\n",
+				vf->vf_id);
+			goto out_put_vf;
+		}
+
+		vf->max_tx_rate = max_tx_rate;
+	}
+
+out_put_vf:
+	ice_put_vf(vf);
+	return ret;
+}
+
+/**
+ * ice_get_vf_stats - populate some stats for the VF
+ * @netdev: the netdev of the PF
+ * @vf_id: the host OS identifier (0-255)
+ * @vf_stats: pointer to the OS memory to be initialized
+ */
+int ice_get_vf_stats(struct net_device *netdev, int vf_id,
+		     struct ifla_vf_stats *vf_stats)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	struct ice_eth_stats *stats;
+	struct ice_vsi *vsi;
+	struct ice_vf *vf;
+	int ret;
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return -EINVAL;
+
+	ret = ice_check_vf_ready_for_cfg(vf);
+	if (ret)
+		goto out_put_vf;
+
+	vsi = ice_get_vf_vsi(vf);
+	if (!vsi) {
+		ret = -EINVAL;
+		goto out_put_vf;
+	}
+
+	ice_update_eth_stats(vsi);
+	stats = &vsi->eth_stats;
+
+	memset(vf_stats, 0, sizeof(*vf_stats));
+
+	vf_stats->rx_packets = stats->rx_unicast + stats->rx_broadcast +
+		stats->rx_multicast;
+	vf_stats->tx_packets = stats->tx_unicast + stats->tx_broadcast +
+		stats->tx_multicast;
+	vf_stats->rx_bytes   = stats->rx_bytes;
+	vf_stats->tx_bytes   = stats->tx_bytes;
+	vf_stats->broadcast  = stats->rx_broadcast;
+	vf_stats->multicast  = stats->rx_multicast;
+	vf_stats->rx_dropped = stats->rx_discards;
+	vf_stats->tx_dropped = stats->tx_discards;
+
+out_put_vf:
+	ice_put_vf(vf);
+	return ret;
+}
+
+/**
+ * ice_is_supported_port_vlan_proto - make sure the vlan_proto is supported
+ * @hw: hardware structure used to check the VLAN mode
+ * @vlan_proto: VLAN TPID being checked
+ *
+ * If the device is configured in Double VLAN Mode (DVM), then both ETH_P_8021Q
+ * and ETH_P_8021AD are supported. If the device is configured in Single VLAN
+ * Mode (SVM), then only ETH_P_8021Q is supported.
+ */
+static bool
+ice_is_supported_port_vlan_proto(struct ice_hw *hw, u16 vlan_proto)
+{
+	bool is_supported = false;
+
+	switch (vlan_proto) {
+	case ETH_P_8021Q:
+		is_supported = true;
+		break;
+	case ETH_P_8021AD:
+		if (ice_is_dvm_ena(hw))
+			is_supported = true;
+		break;
+	}
+
+	return is_supported;
+}
+
+/**
+ * ice_set_vf_port_vlan
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @vlan_id: VLAN ID being set
+ * @qos: priority setting
+ * @vlan_proto: VLAN protocol
+ *
+ * program VF Port VLAN ID and/or QoS
+ */
+int
+ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
+		     __be16 vlan_proto)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	u16 local_vlan_proto = ntohs(vlan_proto);
+	struct device *dev;
+	struct ice_vf *vf;
+	int ret;
+
+	dev = ice_pf_to_dev(pf);
+
+	if (vlan_id >= VLAN_N_VID || qos > 7) {
+		dev_err(dev, "Invalid Port VLAN parameters for VF %d, ID %d, QoS %d\n",
+			vf_id, vlan_id, qos);
+		return -EINVAL;
+	}
+
+	if (!ice_is_supported_port_vlan_proto(&pf->hw, local_vlan_proto)) {
+		dev_err(dev, "VF VLAN protocol 0x%04x is not supported\n",
+			local_vlan_proto);
+		return -EPROTONOSUPPORT;
+	}
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return -EINVAL;
+
+	ret = ice_check_vf_ready_for_cfg(vf);
+	if (ret)
+		goto out_put_vf;
+
+	if (ice_vf_get_port_vlan_prio(vf) == qos &&
+	    ice_vf_get_port_vlan_tpid(vf) == local_vlan_proto &&
+	    ice_vf_get_port_vlan_id(vf) == vlan_id) {
+		/* duplicate request, so just return success */
+		dev_dbg(dev, "Duplicate port VLAN %u, QoS %u, TPID 0x%04x request\n",
+			vlan_id, qos, local_vlan_proto);
+		ret = 0;
+		goto out_put_vf;
+	}
+
+	mutex_lock(&vf->cfg_lock);
+
+	vf->port_vlan_info = ICE_VLAN(local_vlan_proto, vlan_id, qos);
+	if (ice_vf_is_port_vlan_ena(vf))
+		dev_info(dev, "Setting VLAN %u, QoS %u, TPID 0x%04x on VF %d\n",
+			 vlan_id, qos, local_vlan_proto, vf_id);
+	else
+		dev_info(dev, "Clearing port VLAN on VF %d\n", vf_id);
+
+	ice_reset_vf(vf, ICE_VF_RESET_NOTIFY);
+	mutex_unlock(&vf->cfg_lock);
+
+out_put_vf:
+	ice_put_vf(vf);
+	return ret;
+}
+
+/**
+ * ice_print_vf_rx_mdd_event - print VF Rx malicious driver detect event
+ * @vf: pointer to the VF structure
+ */
+void ice_print_vf_rx_mdd_event(struct ice_vf *vf)
+{
+	struct ice_pf *pf = vf->pf;
+	struct device *dev;
+
+	dev = ice_pf_to_dev(pf);
+
+	dev_info(dev, "%d Rx Malicious Driver Detection events detected on PF %d VF %d MAC %pM. mdd-auto-reset-vfs=%s\n",
+		 vf->mdd_rx_events.count, pf->hw.pf_id, vf->vf_id,
+		 vf->dev_lan_addr.addr,
+		 test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)
+			  ? "on" : "off");
+}
+
+/**
+ * ice_print_vfs_mdd_events - print VFs malicious driver detect event
+ * @pf: pointer to the PF structure
+ *
+ * Called from ice_handle_mdd_event to rate limit and print VFs MDD events.
+ */
+void ice_print_vfs_mdd_events(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+	struct ice_vf *vf;
+	unsigned int bkt;
+
+	/* check that there are pending MDD events to print */
+	if (!test_and_clear_bit(ICE_MDD_VF_PRINT_PENDING, pf->state))
+		return;
+
+	/* VF MDD event logs are rate limited to one second intervals */
+	if (time_is_after_jiffies(pf->vfs.last_printed_mdd_jiffies + HZ * 1))
+		return;
+
+	pf->vfs.last_printed_mdd_jiffies = jiffies;
+
+	mutex_lock(&pf->vfs.table_lock);
+	ice_for_each_vf(pf, bkt, vf) {
+		/* only print Rx MDD event message if there are new events */
+		if (vf->mdd_rx_events.count != vf->mdd_rx_events.last_printed) {
+			vf->mdd_rx_events.last_printed =
+							vf->mdd_rx_events.count;
+			ice_print_vf_rx_mdd_event(vf);
+		}
+
+		/* only print Tx MDD event message if there are new events */
+		if (vf->mdd_tx_events.count != vf->mdd_tx_events.last_printed) {
+			vf->mdd_tx_events.last_printed =
+							vf->mdd_tx_events.count;
+
+			dev_info(dev, "%d Tx Malicious Driver Detection events detected on PF %d VF %d MAC %pM.\n",
+				 vf->mdd_tx_events.count, hw->pf_id, vf->vf_id,
+				 vf->dev_lan_addr.addr);
+		}
+	}
+	mutex_unlock(&pf->vfs.table_lock);
+}
+
+/**
+ * ice_restore_all_vfs_msi_state - restore VF MSI state after PF FLR
+ * @pdev: pointer to a pci_dev structure
+ *
+ * Called when recovering from a PF FLR to restore interrupt capability to
+ * the VFs.
+ */
+void ice_restore_all_vfs_msi_state(struct pci_dev *pdev)
+{
+	u16 vf_id;
+	int pos;
+
+	if (!pci_num_vf(pdev))
+		return;
+
+	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
+	if (pos) {
+		struct pci_dev *vfdev;
+
+		pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID,
+				     &vf_id);
+		vfdev = pci_get_device(pdev->vendor, vf_id, NULL);
+		while (vfdev) {
+			if (vfdev->is_virtfn && vfdev->physfn == pdev)
+				pci_restore_msi_state(vfdev);
+			vfdev = pci_get_device(pdev->vendor, vf_id,
+					       vfdev);
+		}
+	}
+}
+
+/**
+ * ice_is_malicious_vf - helper function to detect a malicious VF
+ * @pf: ptr to struct ice_pf
+ * @event: pointer to the AQ event
+ * @num_msg_proc: the number of messages processed so far
+ * @num_msg_pending: the number of messages peinding in admin queue
+ */
+bool
+ice_is_malicious_vf(struct ice_pf *pf, struct ice_rq_event_info *event,
+		    u16 num_msg_proc, u16 num_msg_pending)
+{
+	s16 vf_id = le16_to_cpu(event->desc.retval);
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_mbx_data mbxdata;
+	bool malvf = false;
+	struct ice_vf *vf;
+	int status;
+
+	vf = ice_get_vf_by_id(pf, vf_id);
+	if (!vf)
+		return false;
+
+	if (test_bit(ICE_VF_STATE_DIS, vf->vf_states))
+		goto out_put_vf;
+
+	mbxdata.num_msg_proc = num_msg_proc;
+	mbxdata.num_pending_arq = num_msg_pending;
+	mbxdata.max_num_msgs_mbx = pf->hw.mailboxq.num_rq_entries;
+#define ICE_MBX_OVERFLOW_WATERMARK 64
+	mbxdata.async_watermark_val = ICE_MBX_OVERFLOW_WATERMARK;
+
+	/* check to see if we have a malicious VF */
+	status = ice_mbx_vf_state_handler(&pf->hw, &mbxdata, vf_id, &malvf);
+	if (status)
+		goto out_put_vf;
+
+	if (malvf) {
+		bool report_vf = false;
+
+		/* if the VF is malicious and we haven't let the user
+		 * know about it, then let them know now
+		 */
+		status = ice_mbx_report_malvf(&pf->hw, pf->vfs.malvfs,
+					      ICE_MAX_SRIOV_VFS, vf_id,
+					      &report_vf);
+		if (status)
+			dev_dbg(dev, "Error reporting malicious VF\n");
+
+		if (report_vf) {
+			struct ice_vsi *pf_vsi = ice_get_main_vsi(pf);
+
+			if (pf_vsi)
+				dev_warn(dev, "VF MAC %pM on PF MAC %pM is generating asynchronous messages and may be overflowing the PF message queue. Please see the Adapter User Guide for more information\n",
+					 &vf->dev_lan_addr.addr[0],
+					 pf_vsi->netdev->dev_addr);
+		}
+	}
+
+out_put_vf:
+	ice_put_vf(vf);
+	return malvf;
+}