Adding upstream version 6.1.76.upstream/6.1.76upstream

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

1 files changed, 1258 insertions, 0 deletions

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
new file mode 100644
index 000000000..a4cba7cb2
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
@@ -0,0 +1,1258 @@
+/* Broadcom NetXtreme-C/E network driver.
+ *
+ * Copyright (c) 2014-2016 Broadcom Corporation
+ * Copyright (c) 2016-2018 Broadcom Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/ethtool.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/if_vlan.h>
+#include <linux/interrupt.h>
+#include <linux/etherdevice.h>
+#include "bnxt_hsi.h"
+#include "bnxt.h"
+#include "bnxt_hwrm.h"
+#include "bnxt_ulp.h"
+#include "bnxt_sriov.h"
+#include "bnxt_vfr.h"
+#include "bnxt_ethtool.h"
+
+#ifdef CONFIG_BNXT_SRIOV
+static int bnxt_hwrm_fwd_async_event_cmpl(struct bnxt *bp,
+					  struct bnxt_vf_info *vf, u16 event_id)
+{
+	struct hwrm_fwd_async_event_cmpl_input *req;
+	struct hwrm_async_event_cmpl *async_cmpl;
+	int rc = 0;
+
+	rc = hwrm_req_init(bp, req, HWRM_FWD_ASYNC_EVENT_CMPL);
+	if (rc)
+		goto exit;
+
+	if (vf)
+		req->encap_async_event_target_id = cpu_to_le16(vf->fw_fid);
+	else
+		/* broadcast this async event to all VFs */
+		req->encap_async_event_target_id = cpu_to_le16(0xffff);
+	async_cmpl =
+		(struct hwrm_async_event_cmpl *)req->encap_async_event_cmpl;
+	async_cmpl->type = cpu_to_le16(ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT);
+	async_cmpl->event_id = cpu_to_le16(event_id);
+
+	rc = hwrm_req_send(bp, req);
+exit:
+	if (rc)
+		netdev_err(bp->dev, "hwrm_fwd_async_event_cmpl failed. rc:%d\n",
+			   rc);
+	return rc;
+}
+
+static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id)
+{
+	if (!bp->pf.active_vfs) {
+		netdev_err(bp->dev, "vf ndo called though sriov is disabled\n");
+		return -EINVAL;
+	}
+	if (vf_id >= bp->pf.active_vfs) {
+		netdev_err(bp->dev, "Invalid VF id %d\n", vf_id);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct hwrm_func_cfg_input *req;
+	bool old_setting = false;
+	struct bnxt_vf_info *vf;
+	u32 func_flags;
+	int rc;
+
+	if (bp->hwrm_spec_code < 0x10701)
+		return -ENOTSUPP;
+
+	rc = bnxt_vf_ndo_prep(bp, vf_id);
+	if (rc)
+		return rc;
+
+	vf = &bp->pf.vf[vf_id];
+	if (vf->flags & BNXT_VF_SPOOFCHK)
+		old_setting = true;
+	if (old_setting == setting)
+		return 0;
+
+	if (setting)
+		func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE;
+	else
+		func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE;
+	/*TODO: if the driver supports VLAN filter on guest VLAN,
+	 * the spoof check should also include vlan anti-spoofing
+	 */
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG);
+	if (!rc) {
+		req->fid = cpu_to_le16(vf->fw_fid);
+		req->flags = cpu_to_le32(func_flags);
+		rc = hwrm_req_send(bp, req);
+		if (!rc) {
+			if (setting)
+				vf->flags |= BNXT_VF_SPOOFCHK;
+			else
+				vf->flags &= ~BNXT_VF_SPOOFCHK;
+		}
+	}
+	return rc;
+}
+
+static int bnxt_hwrm_func_qcfg_flags(struct bnxt *bp, struct bnxt_vf_info *vf)
+{
+	struct hwrm_func_qcfg_output *resp;
+	struct hwrm_func_qcfg_input *req;
+	int rc;
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_QCFG);
+	if (rc)
+		return rc;
+
+	req->fid = cpu_to_le16(BNXT_PF(bp) ? vf->fw_fid : 0xffff);
+	resp = hwrm_req_hold(bp, req);
+	rc = hwrm_req_send(bp, req);
+	if (!rc)
+		vf->func_qcfg_flags = le16_to_cpu(resp->flags);
+	hwrm_req_drop(bp, req);
+	return rc;
+}
+
+bool bnxt_is_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf)
+{
+	if (BNXT_PF(bp) && !(bp->fw_cap & BNXT_FW_CAP_TRUSTED_VF))
+		return !!(vf->flags & BNXT_VF_TRUST);
+
+	bnxt_hwrm_func_qcfg_flags(bp, vf);
+	return !!(vf->func_qcfg_flags & FUNC_QCFG_RESP_FLAGS_TRUSTED_VF);
+}
+
+static int bnxt_hwrm_set_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf)
+{
+	struct hwrm_func_cfg_input *req;
+	int rc;
+
+	if (!(bp->fw_cap & BNXT_FW_CAP_TRUSTED_VF))
+		return 0;
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG);
+	if (rc)
+		return rc;
+
+	req->fid = cpu_to_le16(vf->fw_fid);
+	if (vf->flags & BNXT_VF_TRUST)
+		req->flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE);
+	else
+		req->flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_DISABLE);
+	return hwrm_req_send(bp, req);
+}
+
+int bnxt_set_vf_trust(struct net_device *dev, int vf_id, bool trusted)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct bnxt_vf_info *vf;
+
+	if (bnxt_vf_ndo_prep(bp, vf_id))
+		return -EINVAL;
+
+	vf = &bp->pf.vf[vf_id];
+	if (trusted)
+		vf->flags |= BNXT_VF_TRUST;
+	else
+		vf->flags &= ~BNXT_VF_TRUST;
+
+	bnxt_hwrm_set_trusted_vf(bp, vf);
+	return 0;
+}
+
+int bnxt_get_vf_config(struct net_device *dev, int vf_id,
+		       struct ifla_vf_info *ivi)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct bnxt_vf_info *vf;
+	int rc;
+
+	rc = bnxt_vf_ndo_prep(bp, vf_id);
+	if (rc)
+		return rc;
+
+	ivi->vf = vf_id;
+	vf = &bp->pf.vf[vf_id];
+
+	if (is_valid_ether_addr(vf->mac_addr))
+		memcpy(&ivi->mac, vf->mac_addr, ETH_ALEN);
+	else
+		memcpy(&ivi->mac, vf->vf_mac_addr, ETH_ALEN);
+	ivi->max_tx_rate = vf->max_tx_rate;
+	ivi->min_tx_rate = vf->min_tx_rate;
+	ivi->vlan = vf->vlan;
+	if (vf->flags & BNXT_VF_QOS)
+		ivi->qos = vf->vlan >> VLAN_PRIO_SHIFT;
+	else
+		ivi->qos = 0;
+	ivi->spoofchk = !!(vf->flags & BNXT_VF_SPOOFCHK);
+	ivi->trusted = bnxt_is_trusted_vf(bp, vf);
+	if (!(vf->flags & BNXT_VF_LINK_FORCED))
+		ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
+	else if (vf->flags & BNXT_VF_LINK_UP)
+		ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
+	else
+		ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
+
+	return 0;
+}
+
+int bnxt_set_vf_mac(struct net_device *dev, int vf_id, u8 *mac)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct hwrm_func_cfg_input *req;
+	struct bnxt_vf_info *vf;
+	int rc;
+
+	rc = bnxt_vf_ndo_prep(bp, vf_id);
+	if (rc)
+		return rc;
+	/* reject bc or mc mac addr, zero mac addr means allow
+	 * VF to use its own mac addr
+	 */
+	if (is_multicast_ether_addr(mac)) {
+		netdev_err(dev, "Invalid VF ethernet address\n");
+		return -EINVAL;
+	}
+	vf = &bp->pf.vf[vf_id];
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG);
+	if (rc)
+		return rc;
+
+	memcpy(vf->mac_addr, mac, ETH_ALEN);
+
+	req->fid = cpu_to_le16(vf->fw_fid);
+	req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
+	memcpy(req->dflt_mac_addr, mac, ETH_ALEN);
+	return hwrm_req_send(bp, req);
+}
+
+int bnxt_set_vf_vlan(struct net_device *dev, int vf_id, u16 vlan_id, u8 qos,
+		     __be16 vlan_proto)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct hwrm_func_cfg_input *req;
+	struct bnxt_vf_info *vf;
+	u16 vlan_tag;
+	int rc;
+
+	if (bp->hwrm_spec_code < 0x10201)
+		return -ENOTSUPP;
+
+	if (vlan_proto != htons(ETH_P_8021Q))
+		return -EPROTONOSUPPORT;
+
+	rc = bnxt_vf_ndo_prep(bp, vf_id);
+	if (rc)
+		return rc;
+
+	/* TODO: needed to implement proper handling of user priority,
+	 * currently fail the command if there is valid priority
+	 */
+	if (vlan_id > 4095 || qos)
+		return -EINVAL;
+
+	vf = &bp->pf.vf[vf_id];
+	vlan_tag = vlan_id;
+	if (vlan_tag == vf->vlan)
+		return 0;
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG);
+	if (!rc) {
+		req->fid = cpu_to_le16(vf->fw_fid);
+		req->dflt_vlan = cpu_to_le16(vlan_tag);
+		req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN);
+		rc = hwrm_req_send(bp, req);
+		if (!rc)
+			vf->vlan = vlan_tag;
+	}
+	return rc;
+}
+
+int bnxt_set_vf_bw(struct net_device *dev, int vf_id, int min_tx_rate,
+		   int max_tx_rate)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct hwrm_func_cfg_input *req;
+	struct bnxt_vf_info *vf;
+	u32 pf_link_speed;
+	int rc;
+
+	rc = bnxt_vf_ndo_prep(bp, vf_id);
+	if (rc)
+		return rc;
+
+	vf = &bp->pf.vf[vf_id];
+	pf_link_speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed);
+	if (max_tx_rate > pf_link_speed) {
+		netdev_info(bp->dev, "max tx rate %d exceed PF link speed for VF %d\n",
+			    max_tx_rate, vf_id);
+		return -EINVAL;
+	}
+
+	if (min_tx_rate > pf_link_speed) {
+		netdev_info(bp->dev, "min tx rate %d is invalid for VF %d\n",
+			    min_tx_rate, vf_id);
+		return -EINVAL;
+	}
+	if (min_tx_rate == vf->min_tx_rate && max_tx_rate == vf->max_tx_rate)
+		return 0;
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG);
+	if (!rc) {
+		req->fid = cpu_to_le16(vf->fw_fid);
+		req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW |
+					   FUNC_CFG_REQ_ENABLES_MIN_BW);
+		req->max_bw = cpu_to_le32(max_tx_rate);
+		req->min_bw = cpu_to_le32(min_tx_rate);
+		rc = hwrm_req_send(bp, req);
+		if (!rc) {
+			vf->min_tx_rate = min_tx_rate;
+			vf->max_tx_rate = max_tx_rate;
+		}
+	}
+	return rc;
+}
+
+int bnxt_set_vf_link_state(struct net_device *dev, int vf_id, int link)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct bnxt_vf_info *vf;
+	int rc;
+
+	rc = bnxt_vf_ndo_prep(bp, vf_id);
+	if (rc)
+		return rc;
+
+	vf = &bp->pf.vf[vf_id];
+
+	vf->flags &= ~(BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED);
+	switch (link) {
+	case IFLA_VF_LINK_STATE_AUTO:
+		vf->flags |= BNXT_VF_LINK_UP;
+		break;
+	case IFLA_VF_LINK_STATE_DISABLE:
+		vf->flags |= BNXT_VF_LINK_FORCED;
+		break;
+	case IFLA_VF_LINK_STATE_ENABLE:
+		vf->flags |= BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED;
+		break;
+	default:
+		netdev_err(bp->dev, "Invalid link option\n");
+		rc = -EINVAL;
+		break;
+	}
+	if (vf->flags & (BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED))
+		rc = bnxt_hwrm_fwd_async_event_cmpl(bp, vf,
+			ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE);
+	return rc;
+}
+
+static int bnxt_set_vf_attr(struct bnxt *bp, int num_vfs)
+{
+	int i;
+	struct bnxt_vf_info *vf;
+
+	for (i = 0; i < num_vfs; i++) {
+		vf = &bp->pf.vf[i];
+		memset(vf, 0, sizeof(*vf));
+	}
+	return 0;
+}
+
+static int bnxt_hwrm_func_vf_resource_free(struct bnxt *bp, int num_vfs)
+{
+	struct hwrm_func_vf_resc_free_input *req;
+	struct bnxt_pf_info *pf = &bp->pf;
+	int i, rc;
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_VF_RESC_FREE);
+	if (rc)
+		return rc;
+
+	hwrm_req_hold(bp, req);
+	for (i = pf->first_vf_id; i < pf->first_vf_id + num_vfs; i++) {
+		req->vf_id = cpu_to_le16(i);
+		rc = hwrm_req_send(bp, req);
+		if (rc)
+			break;
+	}
+	hwrm_req_drop(bp, req);
+	return rc;
+}
+
+static void bnxt_free_vf_resources(struct bnxt *bp)
+{
+	struct pci_dev *pdev = bp->pdev;
+	int i;
+
+	kfree(bp->pf.vf_event_bmap);
+	bp->pf.vf_event_bmap = NULL;
+
+	for (i = 0; i < 4; i++) {
+		if (bp->pf.hwrm_cmd_req_addr[i]) {
+			dma_free_coherent(&pdev->dev, BNXT_PAGE_SIZE,
+					  bp->pf.hwrm_cmd_req_addr[i],
+					  bp->pf.hwrm_cmd_req_dma_addr[i]);
+			bp->pf.hwrm_cmd_req_addr[i] = NULL;
+		}
+	}
+
+	bp->pf.active_vfs = 0;
+	kfree(bp->pf.vf);
+	bp->pf.vf = NULL;
+}
+
+static int bnxt_alloc_vf_resources(struct bnxt *bp, int num_vfs)
+{
+	struct pci_dev *pdev = bp->pdev;
+	u32 nr_pages, size, i, j, k = 0;
+
+	bp->pf.vf = kcalloc(num_vfs, sizeof(struct bnxt_vf_info), GFP_KERNEL);
+	if (!bp->pf.vf)
+		return -ENOMEM;
+
+	bnxt_set_vf_attr(bp, num_vfs);
+
+	size = num_vfs * BNXT_HWRM_REQ_MAX_SIZE;
+	nr_pages = size / BNXT_PAGE_SIZE;
+	if (size & (BNXT_PAGE_SIZE - 1))
+		nr_pages++;
+
+	for (i = 0; i < nr_pages; i++) {
+		bp->pf.hwrm_cmd_req_addr[i] =
+			dma_alloc_coherent(&pdev->dev, BNXT_PAGE_SIZE,
+					   &bp->pf.hwrm_cmd_req_dma_addr[i],
+					   GFP_KERNEL);
+
+		if (!bp->pf.hwrm_cmd_req_addr[i])
+			return -ENOMEM;
+
+		for (j = 0; j < BNXT_HWRM_REQS_PER_PAGE && k < num_vfs; j++) {
+			struct bnxt_vf_info *vf = &bp->pf.vf[k];
+
+			vf->hwrm_cmd_req_addr = bp->pf.hwrm_cmd_req_addr[i] +
+						j * BNXT_HWRM_REQ_MAX_SIZE;
+			vf->hwrm_cmd_req_dma_addr =
+				bp->pf.hwrm_cmd_req_dma_addr[i] + j *
+				BNXT_HWRM_REQ_MAX_SIZE;
+			k++;
+		}
+	}
+
+	/* Max 128 VF's */
+	bp->pf.vf_event_bmap = kzalloc(16, GFP_KERNEL);
+	if (!bp->pf.vf_event_bmap)
+		return -ENOMEM;
+
+	bp->pf.hwrm_cmd_req_pages = nr_pages;
+	return 0;
+}
+
+static int bnxt_hwrm_func_buf_rgtr(struct bnxt *bp)
+{
+	struct hwrm_func_buf_rgtr_input *req;
+	int rc;
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_BUF_RGTR);
+	if (rc)
+		return rc;
+
+	req->req_buf_num_pages = cpu_to_le16(bp->pf.hwrm_cmd_req_pages);
+	req->req_buf_page_size = cpu_to_le16(BNXT_PAGE_SHIFT);
+	req->req_buf_len = cpu_to_le16(BNXT_HWRM_REQ_MAX_SIZE);
+	req->req_buf_page_addr0 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[0]);
+	req->req_buf_page_addr1 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[1]);
+	req->req_buf_page_addr2 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[2]);
+	req->req_buf_page_addr3 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[3]);
+
+	return hwrm_req_send(bp, req);
+}
+
+static int __bnxt_set_vf_params(struct bnxt *bp, int vf_id)
+{
+	struct hwrm_func_cfg_input *req;
+	struct bnxt_vf_info *vf;
+	int rc;
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG);
+	if (rc)
+		return rc;
+
+	vf = &bp->pf.vf[vf_id];
+	req->fid = cpu_to_le16(vf->fw_fid);
+
+	if (is_valid_ether_addr(vf->mac_addr)) {
+		req->enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
+		memcpy(req->dflt_mac_addr, vf->mac_addr, ETH_ALEN);
+	}
+	if (vf->vlan) {
+		req->enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN);
+		req->dflt_vlan = cpu_to_le16(vf->vlan);
+	}
+	if (vf->max_tx_rate) {
+		req->enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW |
+					    FUNC_CFG_REQ_ENABLES_MIN_BW);
+		req->max_bw = cpu_to_le32(vf->max_tx_rate);
+		req->min_bw = cpu_to_le32(vf->min_tx_rate);
+	}
+	if (vf->flags & BNXT_VF_TRUST)
+		req->flags |= cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE);
+
+	return hwrm_req_send(bp, req);
+}
+
+/* Only called by PF to reserve resources for VFs, returns actual number of
+ * VFs configured, or < 0 on error.
+ */
+static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs, bool reset)
+{
+	struct hwrm_func_vf_resource_cfg_input *req;
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	u16 vf_tx_rings, vf_rx_rings, vf_cp_rings;
+	u16 vf_stat_ctx, vf_vnics, vf_ring_grps;
+	struct bnxt_pf_info *pf = &bp->pf;
+	int i, rc = 0, min = 1;
+	u16 vf_msix = 0;
+	u16 vf_rss;
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_VF_RESOURCE_CFG);
+	if (rc)
+		return rc;
+
+	if (bp->flags & BNXT_FLAG_CHIP_P5) {
+		vf_msix = hw_resc->max_nqs - bnxt_nq_rings_in_use(bp);
+		vf_ring_grps = 0;
+	} else {
+		vf_ring_grps = hw_resc->max_hw_ring_grps - bp->rx_nr_rings;
+	}
+	vf_cp_rings = bnxt_get_avail_cp_rings_for_en(bp);
+	vf_stat_ctx = bnxt_get_avail_stat_ctxs_for_en(bp);
+	if (bp->flags & BNXT_FLAG_AGG_RINGS)
+		vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings * 2;
+	else
+		vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings;
+	vf_tx_rings = hw_resc->max_tx_rings - bp->tx_nr_rings;
+	vf_vnics = hw_resc->max_vnics - bp->nr_vnics;
+	vf_vnics = min_t(u16, vf_vnics, vf_rx_rings);
+	vf_rss = hw_resc->max_rsscos_ctxs - bp->rsscos_nr_ctxs;
+
+	req->min_rsscos_ctx = cpu_to_le16(BNXT_VF_MIN_RSS_CTX);
+	if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC) {
+		min = 0;
+		req->min_rsscos_ctx = cpu_to_le16(min);
+	}
+	if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL ||
+	    pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC) {
+		req->min_cmpl_rings = cpu_to_le16(min);
+		req->min_tx_rings = cpu_to_le16(min);
+		req->min_rx_rings = cpu_to_le16(min);
+		req->min_l2_ctxs = cpu_to_le16(min);
+		req->min_vnics = cpu_to_le16(min);
+		req->min_stat_ctx = cpu_to_le16(min);
+		if (!(bp->flags & BNXT_FLAG_CHIP_P5))
+			req->min_hw_ring_grps = cpu_to_le16(min);
+	} else {
+		vf_cp_rings /= num_vfs;
+		vf_tx_rings /= num_vfs;
+		vf_rx_rings /= num_vfs;
+		vf_vnics /= num_vfs;
+		vf_stat_ctx /= num_vfs;
+		vf_ring_grps /= num_vfs;
+		vf_rss /= num_vfs;
+
+		req->min_cmpl_rings = cpu_to_le16(vf_cp_rings);
+		req->min_tx_rings = cpu_to_le16(vf_tx_rings);
+		req->min_rx_rings = cpu_to_le16(vf_rx_rings);
+		req->min_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
+		req->min_vnics = cpu_to_le16(vf_vnics);
+		req->min_stat_ctx = cpu_to_le16(vf_stat_ctx);
+		req->min_hw_ring_grps = cpu_to_le16(vf_ring_grps);
+		req->min_rsscos_ctx = cpu_to_le16(vf_rss);
+	}
+	req->max_cmpl_rings = cpu_to_le16(vf_cp_rings);
+	req->max_tx_rings = cpu_to_le16(vf_tx_rings);
+	req->max_rx_rings = cpu_to_le16(vf_rx_rings);
+	req->max_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
+	req->max_vnics = cpu_to_le16(vf_vnics);
+	req->max_stat_ctx = cpu_to_le16(vf_stat_ctx);
+	req->max_hw_ring_grps = cpu_to_le16(vf_ring_grps);
+	req->max_rsscos_ctx = cpu_to_le16(vf_rss);
+	if (bp->flags & BNXT_FLAG_CHIP_P5)
+		req->max_msix = cpu_to_le16(vf_msix / num_vfs);
+
+	hwrm_req_hold(bp, req);
+	for (i = 0; i < num_vfs; i++) {
+		if (reset)
+			__bnxt_set_vf_params(bp, i);
+
+		req->vf_id = cpu_to_le16(pf->first_vf_id + i);
+		rc = hwrm_req_send(bp, req);
+		if (rc)
+			break;
+		pf->active_vfs = i + 1;
+		pf->vf[i].fw_fid = pf->first_vf_id + i;
+	}
+
+	if (pf->active_vfs) {
+		u16 n = pf->active_vfs;
+
+		hw_resc->max_tx_rings -= le16_to_cpu(req->min_tx_rings) * n;
+		hw_resc->max_rx_rings -= le16_to_cpu(req->min_rx_rings) * n;
+		hw_resc->max_hw_ring_grps -=
+			le16_to_cpu(req->min_hw_ring_grps) * n;
+		hw_resc->max_cp_rings -= le16_to_cpu(req->min_cmpl_rings) * n;
+		hw_resc->max_rsscos_ctxs -=
+			le16_to_cpu(req->min_rsscos_ctx) * n;
+		hw_resc->max_stat_ctxs -= le16_to_cpu(req->min_stat_ctx) * n;
+		hw_resc->max_vnics -= le16_to_cpu(req->min_vnics) * n;
+		if (bp->flags & BNXT_FLAG_CHIP_P5)
+			hw_resc->max_nqs -= vf_msix;
+
+		rc = pf->active_vfs;
+	}
+	hwrm_req_drop(bp, req);
+	return rc;
+}
+
+/* Only called by PF to reserve resources for VFs, returns actual number of
+ * VFs configured, or < 0 on error.
+ */
+static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
+{
+	u16 vf_tx_rings, vf_rx_rings, vf_cp_rings, vf_stat_ctx, vf_vnics;
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	struct bnxt_pf_info *pf = &bp->pf;
+	struct hwrm_func_cfg_input *req;
+	int total_vf_tx_rings = 0;
+	u16 vf_ring_grps;
+	u32 mtu, i;
+	int rc;
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG);
+	if (rc)
+		return rc;
+
+	/* Remaining rings are distributed equally amongs VF's for now */
+	vf_cp_rings = bnxt_get_avail_cp_rings_for_en(bp) / num_vfs;
+	vf_stat_ctx = bnxt_get_avail_stat_ctxs_for_en(bp) / num_vfs;
+	if (bp->flags & BNXT_FLAG_AGG_RINGS)
+		vf_rx_rings = (hw_resc->max_rx_rings - bp->rx_nr_rings * 2) /
+			      num_vfs;
+	else
+		vf_rx_rings = (hw_resc->max_rx_rings - bp->rx_nr_rings) /
+			      num_vfs;
+	vf_ring_grps = (hw_resc->max_hw_ring_grps - bp->rx_nr_rings) / num_vfs;
+	vf_tx_rings = (hw_resc->max_tx_rings - bp->tx_nr_rings) / num_vfs;
+	vf_vnics = (hw_resc->max_vnics - bp->nr_vnics) / num_vfs;
+	vf_vnics = min_t(u16, vf_vnics, vf_rx_rings);
+
+	req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_ADMIN_MTU |
+				   FUNC_CFG_REQ_ENABLES_MRU |
+				   FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS |
+				   FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS |
+				   FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
+				   FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS |
+				   FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS |
+				   FUNC_CFG_REQ_ENABLES_NUM_L2_CTXS |
+				   FUNC_CFG_REQ_ENABLES_NUM_VNICS |
+				   FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS);
+
+	mtu = bp->dev->mtu + ETH_HLEN + VLAN_HLEN;
+	req->mru = cpu_to_le16(mtu);
+	req->admin_mtu = cpu_to_le16(mtu);
+
+	req->num_rsscos_ctxs = cpu_to_le16(1);
+	req->num_cmpl_rings = cpu_to_le16(vf_cp_rings);
+	req->num_tx_rings = cpu_to_le16(vf_tx_rings);
+	req->num_rx_rings = cpu_to_le16(vf_rx_rings);
+	req->num_hw_ring_grps = cpu_to_le16(vf_ring_grps);
+	req->num_l2_ctxs = cpu_to_le16(4);
+
+	req->num_vnics = cpu_to_le16(vf_vnics);
+	/* FIXME spec currently uses 1 bit for stats ctx */
+	req->num_stat_ctxs = cpu_to_le16(vf_stat_ctx);
+
+	hwrm_req_hold(bp, req);
+	for (i = 0; i < num_vfs; i++) {
+		int vf_tx_rsvd = vf_tx_rings;
+
+		req->fid = cpu_to_le16(pf->first_vf_id + i);
+		rc = hwrm_req_send(bp, req);
+		if (rc)
+			break;
+		pf->active_vfs = i + 1;
+		pf->vf[i].fw_fid = le16_to_cpu(req->fid);
+		rc = __bnxt_hwrm_get_tx_rings(bp, pf->vf[i].fw_fid,
+					      &vf_tx_rsvd);
+		if (rc)
+			break;
+		total_vf_tx_rings += vf_tx_rsvd;
+	}
+	hwrm_req_drop(bp, req);
+	if (pf->active_vfs) {
+		hw_resc->max_tx_rings -= total_vf_tx_rings;
+		hw_resc->max_rx_rings -= vf_rx_rings * num_vfs;
+		hw_resc->max_hw_ring_grps -= vf_ring_grps * num_vfs;
+		hw_resc->max_cp_rings -= vf_cp_rings * num_vfs;
+		hw_resc->max_rsscos_ctxs -= num_vfs;
+		hw_resc->max_stat_ctxs -= vf_stat_ctx * num_vfs;
+		hw_resc->max_vnics -= vf_vnics * num_vfs;
+		rc = pf->active_vfs;
+	}
+	return rc;
+}
+
+static int bnxt_func_cfg(struct bnxt *bp, int num_vfs, bool reset)
+{
+	if (BNXT_NEW_RM(bp))
+		return bnxt_hwrm_func_vf_resc_cfg(bp, num_vfs, reset);
+	else
+		return bnxt_hwrm_func_cfg(bp, num_vfs);
+}
+
+int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset)
+{
+	int rc;
+
+	/* Register buffers for VFs */
+	rc = bnxt_hwrm_func_buf_rgtr(bp);
+	if (rc)
+		return rc;
+
+	/* Reserve resources for VFs */
+	rc = bnxt_func_cfg(bp, *num_vfs, reset);
+	if (rc != *num_vfs) {
+		if (rc <= 0) {
+			netdev_warn(bp->dev, "Unable to reserve resources for SRIOV.\n");
+			*num_vfs = 0;
+			return rc;
+		}
+		netdev_warn(bp->dev, "Only able to reserve resources for %d VFs.\n",
+			    rc);
+		*num_vfs = rc;
+	}
+
+	bnxt_ulp_sriov_cfg(bp, *num_vfs);
+	return 0;
+}
+
+static int bnxt_sriov_enable(struct bnxt *bp, int *num_vfs)
+{
+	int rc = 0, vfs_supported;
+	int min_rx_rings, min_tx_rings, min_rss_ctxs;
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	int tx_ok = 0, rx_ok = 0, rss_ok = 0;
+	int avail_cp, avail_stat;
+
+	/* Check if we can enable requested num of vf's. At a mininum
+	 * we require 1 RX 1 TX rings for each VF. In this minimum conf
+	 * features like TPA will not be available.
+	 */
+	vfs_supported = *num_vfs;
+
+	avail_cp = bnxt_get_avail_cp_rings_for_en(bp);
+	avail_stat = bnxt_get_avail_stat_ctxs_for_en(bp);
+	avail_cp = min_t(int, avail_cp, avail_stat);
+
+	while (vfs_supported) {
+		min_rx_rings = vfs_supported;
+		min_tx_rings = vfs_supported;
+		min_rss_ctxs = vfs_supported;
+
+		if (bp->flags & BNXT_FLAG_AGG_RINGS) {
+			if (hw_resc->max_rx_rings - bp->rx_nr_rings * 2 >=
+			    min_rx_rings)
+				rx_ok = 1;
+		} else {
+			if (hw_resc->max_rx_rings - bp->rx_nr_rings >=
+			    min_rx_rings)
+				rx_ok = 1;
+		}
+		if (hw_resc->max_vnics - bp->nr_vnics < min_rx_rings ||
+		    avail_cp < min_rx_rings)
+			rx_ok = 0;
+
+		if (hw_resc->max_tx_rings - bp->tx_nr_rings >= min_tx_rings &&
+		    avail_cp >= min_tx_rings)
+			tx_ok = 1;
+
+		if (hw_resc->max_rsscos_ctxs - bp->rsscos_nr_ctxs >=
+		    min_rss_ctxs)
+			rss_ok = 1;
+
+		if (tx_ok && rx_ok && rss_ok)
+			break;
+
+		vfs_supported--;
+	}
+
+	if (!vfs_supported) {
+		netdev_err(bp->dev, "Cannot enable VF's as all resources are used by PF\n");
+		return -EINVAL;
+	}
+
+	if (vfs_supported != *num_vfs) {
+		netdev_info(bp->dev, "Requested VFs %d, can enable %d\n",
+			    *num_vfs, vfs_supported);
+		*num_vfs = vfs_supported;
+	}
+
+	rc = bnxt_alloc_vf_resources(bp, *num_vfs);
+	if (rc)
+		goto err_out1;
+
+	rc = bnxt_cfg_hw_sriov(bp, num_vfs, false);
+	if (rc)
+		goto err_out2;
+
+	rc = pci_enable_sriov(bp->pdev, *num_vfs);
+	if (rc) {
+		bnxt_ulp_sriov_cfg(bp, 0);
+		goto err_out2;
+	}
+
+	return 0;
+
+err_out2:
+	/* Free the resources reserved for various VF's */
+	bnxt_hwrm_func_vf_resource_free(bp, *num_vfs);
+
+	/* Restore the max resources */
+	bnxt_hwrm_func_qcaps(bp);
+
+err_out1:
+	bnxt_free_vf_resources(bp);
+
+	return rc;
+}
+
+void bnxt_sriov_disable(struct bnxt *bp)
+{
+	u16 num_vfs = pci_num_vf(bp->pdev);
+
+	if (!num_vfs)
+		return;
+
+	/* synchronize VF and VF-rep create and destroy */
+	devl_lock(bp->dl);
+	bnxt_vf_reps_destroy(bp);
+
+	if (pci_vfs_assigned(bp->pdev)) {
+		bnxt_hwrm_fwd_async_event_cmpl(
+			bp, NULL, ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD);
+		netdev_warn(bp->dev, "Unable to free %d VFs because some are assigned to VMs.\n",
+			    num_vfs);
+	} else {
+		pci_disable_sriov(bp->pdev);
+		/* Free the HW resources reserved for various VF's */
+		bnxt_hwrm_func_vf_resource_free(bp, num_vfs);
+	}
+	devl_unlock(bp->dl);
+
+	bnxt_free_vf_resources(bp);
+
+	/* Reclaim all resources for the PF. */
+	rtnl_lock();
+	bnxt_restore_pf_fw_resources(bp);
+	rtnl_unlock();
+
+	bnxt_ulp_sriov_cfg(bp, 0);
+}
+
+int bnxt_sriov_configure(struct pci_dev *pdev, int num_vfs)
+{
+	struct net_device *dev = pci_get_drvdata(pdev);
+	struct bnxt *bp = netdev_priv(dev);
+
+	if (!(bp->flags & BNXT_FLAG_USING_MSIX)) {
+		netdev_warn(dev, "Not allow SRIOV if the irq mode is not MSIX\n");
+		return 0;
+	}
+
+	rtnl_lock();
+	if (!netif_running(dev)) {
+		netdev_warn(dev, "Reject SRIOV config request since if is down!\n");
+		rtnl_unlock();
+		return 0;
+	}
+	if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) {
+		netdev_warn(dev, "Reject SRIOV config request when FW reset is in progress\n");
+		rtnl_unlock();
+		return 0;
+	}
+	bp->sriov_cfg = true;
+	rtnl_unlock();
+
+	if (pci_vfs_assigned(bp->pdev)) {
+		netdev_warn(dev, "Unable to configure SRIOV since some VFs are assigned to VMs.\n");
+		num_vfs = 0;
+		goto sriov_cfg_exit;
+	}
+
+	/* Check if enabled VFs is same as requested */
+	if (num_vfs && num_vfs == bp->pf.active_vfs)
+		goto sriov_cfg_exit;
+
+	/* if there are previous existing VFs, clean them up */
+	bnxt_sriov_disable(bp);
+	if (!num_vfs)
+		goto sriov_cfg_exit;
+
+	bnxt_sriov_enable(bp, &num_vfs);
+
+sriov_cfg_exit:
+	bp->sriov_cfg = false;
+	wake_up(&bp->sriov_cfg_wait);
+
+	return num_vfs;
+}
+
+static int bnxt_hwrm_fwd_resp(struct bnxt *bp, struct bnxt_vf_info *vf,
+			      void *encap_resp, __le64 encap_resp_addr,
+			      __le16 encap_resp_cpr, u32 msg_size)
+{
+	struct hwrm_fwd_resp_input *req;
+	int rc;
+
+	if (BNXT_FWD_RESP_SIZE_ERR(msg_size))
+		return -EINVAL;
+
+	rc = hwrm_req_init(bp, req, HWRM_FWD_RESP);
+	if (!rc) {
+		/* Set the new target id */
+		req->target_id = cpu_to_le16(vf->fw_fid);
+		req->encap_resp_target_id = cpu_to_le16(vf->fw_fid);
+		req->encap_resp_len = cpu_to_le16(msg_size);
+		req->encap_resp_addr = encap_resp_addr;
+		req->encap_resp_cmpl_ring = encap_resp_cpr;
+		memcpy(req->encap_resp, encap_resp, msg_size);
+
+		rc = hwrm_req_send(bp, req);
+	}
+	if (rc)
+		netdev_err(bp->dev, "hwrm_fwd_resp failed. rc:%d\n", rc);
+	return rc;
+}
+
+static int bnxt_hwrm_fwd_err_resp(struct bnxt *bp, struct bnxt_vf_info *vf,
+				  u32 msg_size)
+{
+	struct hwrm_reject_fwd_resp_input *req;
+	int rc;
+
+	if (BNXT_REJ_FWD_RESP_SIZE_ERR(msg_size))
+		return -EINVAL;
+
+	rc = hwrm_req_init(bp, req, HWRM_REJECT_FWD_RESP);
+	if (!rc) {
+		/* Set the new target id */
+		req->target_id = cpu_to_le16(vf->fw_fid);
+		req->encap_resp_target_id = cpu_to_le16(vf->fw_fid);
+		memcpy(req->encap_request, vf->hwrm_cmd_req_addr, msg_size);
+
+		rc = hwrm_req_send(bp, req);
+	}
+	if (rc)
+		netdev_err(bp->dev, "hwrm_fwd_err_resp failed. rc:%d\n", rc);
+	return rc;
+}
+
+static int bnxt_hwrm_exec_fwd_resp(struct bnxt *bp, struct bnxt_vf_info *vf,
+				   u32 msg_size)
+{
+	struct hwrm_exec_fwd_resp_input *req;
+	int rc;
+
+	if (BNXT_EXEC_FWD_RESP_SIZE_ERR(msg_size))
+		return -EINVAL;
+
+	rc = hwrm_req_init(bp, req, HWRM_EXEC_FWD_RESP);
+	if (!rc) {
+		/* Set the new target id */
+		req->target_id = cpu_to_le16(vf->fw_fid);
+		req->encap_resp_target_id = cpu_to_le16(vf->fw_fid);
+		memcpy(req->encap_request, vf->hwrm_cmd_req_addr, msg_size);
+
+		rc = hwrm_req_send(bp, req);
+	}
+	if (rc)
+		netdev_err(bp->dev, "hwrm_exec_fw_resp failed. rc:%d\n", rc);
+	return rc;
+}
+
+static int bnxt_vf_configure_mac(struct bnxt *bp, struct bnxt_vf_info *vf)
+{
+	u32 msg_size = sizeof(struct hwrm_func_vf_cfg_input);
+	struct hwrm_func_vf_cfg_input *req =
+		(struct hwrm_func_vf_cfg_input *)vf->hwrm_cmd_req_addr;
+
+	/* Allow VF to set a valid MAC address, if trust is set to on or
+	 * if the PF assigned MAC address is zero
+	 */
+	if (req->enables & cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR)) {
+		bool trust = bnxt_is_trusted_vf(bp, vf);
+
+		if (is_valid_ether_addr(req->dflt_mac_addr) &&
+		    (trust || !is_valid_ether_addr(vf->mac_addr) ||
+		     ether_addr_equal(req->dflt_mac_addr, vf->mac_addr))) {
+			ether_addr_copy(vf->vf_mac_addr, req->dflt_mac_addr);
+			return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size);
+		}
+		return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size);
+	}
+	return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size);
+}
+
+static int bnxt_vf_validate_set_mac(struct bnxt *bp, struct bnxt_vf_info *vf)
+{
+	u32 msg_size = sizeof(struct hwrm_cfa_l2_filter_alloc_input);
+	struct hwrm_cfa_l2_filter_alloc_input *req =
+		(struct hwrm_cfa_l2_filter_alloc_input *)vf->hwrm_cmd_req_addr;
+	bool mac_ok = false;
+
+	if (!is_valid_ether_addr((const u8 *)req->l2_addr))
+		return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size);
+
+	/* Allow VF to set a valid MAC address, if trust is set to on.
+	 * Or VF MAC address must first match MAC address in PF's context.
+	 * Otherwise, it must match the VF MAC address if firmware spec >=
+	 * 1.2.2
+	 */
+	if (bnxt_is_trusted_vf(bp, vf)) {
+		mac_ok = true;
+	} else if (is_valid_ether_addr(vf->mac_addr)) {
+		if (ether_addr_equal((const u8 *)req->l2_addr, vf->mac_addr))
+			mac_ok = true;
+	} else if (is_valid_ether_addr(vf->vf_mac_addr)) {
+		if (ether_addr_equal((const u8 *)req->l2_addr, vf->vf_mac_addr))
+			mac_ok = true;
+	} else {
+		/* There are two cases:
+		 * 1.If firmware spec < 0x10202,VF MAC address is not forwarded
+		 *   to the PF and so it doesn't have to match
+		 * 2.Allow VF to modify it's own MAC when PF has not assigned a
+		 *   valid MAC address and firmware spec >= 0x10202
+		 */
+		mac_ok = true;
+	}
+	if (mac_ok)
+		return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size);
+	return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size);
+}
+
+static int bnxt_vf_set_link(struct bnxt *bp, struct bnxt_vf_info *vf)
+{
+	int rc = 0;
+
+	if (!(vf->flags & BNXT_VF_LINK_FORCED)) {
+		/* real link */
+		rc = bnxt_hwrm_exec_fwd_resp(
+			bp, vf, sizeof(struct hwrm_port_phy_qcfg_input));
+	} else {
+		struct hwrm_port_phy_qcfg_output phy_qcfg_resp = {0};
+		struct hwrm_port_phy_qcfg_input *phy_qcfg_req;
+
+		phy_qcfg_req =
+		(struct hwrm_port_phy_qcfg_input *)vf->hwrm_cmd_req_addr;
+		mutex_lock(&bp->link_lock);
+		memcpy(&phy_qcfg_resp, &bp->link_info.phy_qcfg_resp,
+		       sizeof(phy_qcfg_resp));
+		mutex_unlock(&bp->link_lock);
+		phy_qcfg_resp.resp_len = cpu_to_le16(sizeof(phy_qcfg_resp));
+		phy_qcfg_resp.seq_id = phy_qcfg_req->seq_id;
+		phy_qcfg_resp.valid = 1;
+
+		if (vf->flags & BNXT_VF_LINK_UP) {
+			/* if physical link is down, force link up on VF */
+			if (phy_qcfg_resp.link !=
+			    PORT_PHY_QCFG_RESP_LINK_LINK) {
+				phy_qcfg_resp.link =
+					PORT_PHY_QCFG_RESP_LINK_LINK;
+				phy_qcfg_resp.link_speed = cpu_to_le16(
+					PORT_PHY_QCFG_RESP_LINK_SPEED_10GB);
+				phy_qcfg_resp.duplex_cfg =
+					PORT_PHY_QCFG_RESP_DUPLEX_CFG_FULL;
+				phy_qcfg_resp.duplex_state =
+					PORT_PHY_QCFG_RESP_DUPLEX_STATE_FULL;
+				phy_qcfg_resp.pause =
+					(PORT_PHY_QCFG_RESP_PAUSE_TX |
+					 PORT_PHY_QCFG_RESP_PAUSE_RX);
+			}
+		} else {
+			/* force link down */
+			phy_qcfg_resp.link = PORT_PHY_QCFG_RESP_LINK_NO_LINK;
+			phy_qcfg_resp.link_speed = 0;
+			phy_qcfg_resp.duplex_state =
+				PORT_PHY_QCFG_RESP_DUPLEX_STATE_HALF;
+			phy_qcfg_resp.pause = 0;
+		}
+		rc = bnxt_hwrm_fwd_resp(bp, vf, &phy_qcfg_resp,
+					phy_qcfg_req->resp_addr,
+					phy_qcfg_req->cmpl_ring,
+					sizeof(phy_qcfg_resp));
+	}
+	return rc;
+}
+
+static int bnxt_vf_req_validate_snd(struct bnxt *bp, struct bnxt_vf_info *vf)
+{
+	int rc = 0;
+	struct input *encap_req = vf->hwrm_cmd_req_addr;
+	u32 req_type = le16_to_cpu(encap_req->req_type);
+
+	switch (req_type) {
+	case HWRM_FUNC_VF_CFG:
+		rc = bnxt_vf_configure_mac(bp, vf);
+		break;
+	case HWRM_CFA_L2_FILTER_ALLOC:
+		rc = bnxt_vf_validate_set_mac(bp, vf);
+		break;
+	case HWRM_FUNC_CFG:
+		/* TODO Validate if VF is allowed to change mac address,
+		 * mtu, num of rings etc
+		 */
+		rc = bnxt_hwrm_exec_fwd_resp(
+			bp, vf, sizeof(struct hwrm_func_cfg_input));
+		break;
+	case HWRM_PORT_PHY_QCFG:
+		rc = bnxt_vf_set_link(bp, vf);
+		break;
+	default:
+		break;
+	}
+	return rc;
+}
+
+void bnxt_hwrm_exec_fwd_req(struct bnxt *bp)
+{
+	u32 i = 0, active_vfs = bp->pf.active_vfs, vf_id;
+
+	/* Scan through VF's and process commands */
+	while (1) {
+		vf_id = find_next_bit(bp->pf.vf_event_bmap, active_vfs, i);
+		if (vf_id >= active_vfs)
+			break;
+
+		clear_bit(vf_id, bp->pf.vf_event_bmap);
+		bnxt_vf_req_validate_snd(bp, &bp->pf.vf[vf_id]);
+		i = vf_id + 1;
+	}
+}
+
+int bnxt_approve_mac(struct bnxt *bp, const u8 *mac, bool strict)
+{
+	struct hwrm_func_vf_cfg_input *req;
+	int rc = 0;
+
+	if (!BNXT_VF(bp))
+		return 0;
+
+	if (bp->hwrm_spec_code < 0x10202) {
+		if (is_valid_ether_addr(bp->vf.mac_addr))
+			rc = -EADDRNOTAVAIL;
+		goto mac_done;
+	}
+
+	rc = hwrm_req_init(bp, req, HWRM_FUNC_VF_CFG);
+	if (rc)
+		goto mac_done;
+
+	req->enables = cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
+	memcpy(req->dflt_mac_addr, mac, ETH_ALEN);
+	if (!strict)
+		hwrm_req_flags(bp, req, BNXT_HWRM_CTX_SILENT);
+	rc = hwrm_req_send(bp, req);
+mac_done:
+	if (rc && strict) {
+		rc = -EADDRNOTAVAIL;
+		netdev_warn(bp->dev, "VF MAC address %pM not approved by the PF\n",
+			    mac);
+		return rc;
+	}
+	return 0;
+}
+
+void bnxt_update_vf_mac(struct bnxt *bp)
+{
+	struct hwrm_func_qcaps_output *resp;
+	struct hwrm_func_qcaps_input *req;
+	bool inform_pf = false;
+
+	if (hwrm_req_init(bp, req, HWRM_FUNC_QCAPS))
+		return;
+
+	req->fid = cpu_to_le16(0xffff);
+
+	resp = hwrm_req_hold(bp, req);
+	if (hwrm_req_send(bp, req))
+		goto update_vf_mac_exit;
+
+	/* Store MAC address from the firmware.  There are 2 cases:
+	 * 1. MAC address is valid.  It is assigned from the PF and we
+	 *    need to override the current VF MAC address with it.
+	 * 2. MAC address is zero.  The VF will use a random MAC address by
+	 *    default but the stored zero MAC will allow the VF user to change
+	 *    the random MAC address using ndo_set_mac_address() if he wants.
+	 */
+	if (!ether_addr_equal(resp->mac_address, bp->vf.mac_addr)) {
+		memcpy(bp->vf.mac_addr, resp->mac_address, ETH_ALEN);
+		/* This means we are now using our own MAC address, let
+		 * the PF know about this MAC address.
+		 */
+		if (!is_valid_ether_addr(bp->vf.mac_addr))
+			inform_pf = true;
+	}
+
+	/* overwrite netdev dev_addr with admin VF MAC */
+	if (is_valid_ether_addr(bp->vf.mac_addr))
+		eth_hw_addr_set(bp->dev, bp->vf.mac_addr);
+update_vf_mac_exit:
+	hwrm_req_drop(bp, req);
+	if (inform_pf)
+		bnxt_approve_mac(bp, bp->dev->dev_addr, false);
+}
+
+#else
+
+int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset)
+{
+	if (*num_vfs)
+		return -EOPNOTSUPP;
+	return 0;
+}
+
+void bnxt_sriov_disable(struct bnxt *bp)
+{
+}
+
+void bnxt_hwrm_exec_fwd_req(struct bnxt *bp)
+{
+	netdev_err(bp->dev, "Invalid VF message received when SRIOV is not enable\n");
+}
+
+void bnxt_update_vf_mac(struct bnxt *bp)
+{
+}
+
+int bnxt_approve_mac(struct bnxt *bp, const u8 *mac, bool strict)
+{
+	return 0;
+}
+#endif