Signed-off-by: Mohammad Abdul Awal <mohammad.abdul.a...@intel.com>
Signed-off-by: Remy Horton <remy.hor...@intel.com>
Signed-off-by: Declan Doherty <declan.dohe...@intel.com>
---
 drivers/net/i40e/Makefile        |   1 +
 drivers/net/i40e/i40e_ethdev.c   |  16 ++
 drivers/net/i40e/i40e_ethdev.h   |   1 +
 drivers/net/i40e/i40e_prep_ops.c | 472 +++++++++++++++++++++++++++++++++++++++
 drivers/net/i40e/i40e_prep_ops.h |  46 ++++
 drivers/net/i40e/rte_pmd_i40e.c  |  47 ++++
 drivers/net/i40e/rte_pmd_i40e.h  |  18 ++
 7 files changed, 601 insertions(+)
 create mode 100644 drivers/net/i40e/i40e_prep_ops.c
 create mode 100644 drivers/net/i40e/i40e_prep_ops.h

diff --git a/drivers/net/i40e/Makefile b/drivers/net/i40e/Makefile
index 9ab8c84..641bf26 100644
--- a/drivers/net/i40e/Makefile
+++ b/drivers/net/i40e/Makefile
@@ -113,6 +113,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_fdir.c
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_flow.c
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += rte_pmd_i40e.c
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_tm.c
+SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_prep_ops.c
 
 # install this header file
 SYMLINK-$(CONFIG_RTE_LIBRTE_I40E_PMD)-include := rte_pmd_i40e.h
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index bcd9ef1..00ffe6b 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -67,6 +67,7 @@
 #include "i40e_pf.h"
 #include "i40e_regs.h"
 #include "rte_pmd_i40e.h"
+#include "i40e_prep_ops.h"
 
 #define ETH_I40E_FLOATING_VEB_ARG      "enable_floating_veb"
 #define ETH_I40E_FLOATING_VEB_LIST_ARG "floating_veb_list"
@@ -1122,6 +1123,17 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
        hw->bus.func = pci_dev->addr.function;
        hw->adapter_stopped = 0;
 
+       /* init representor broker */
+       if (rte_representor_enabled()) {
+               ret = i40e_port_representor_broker_init(dev, &pf->broker,
+                       pci_dev);
+               if (ret) {
+                       PMD_INIT_LOG(ERR, "Representor broker register failed "
+                               "with ret=%d\n", ret);
+                       return ret;
+               }
+       }
+
        /* Make sure all is clean before doing PF reset */
        i40e_clear_hw(hw);
 
@@ -1457,6 +1469,10 @@ eth_i40e_dev_uninit(struct rte_eth_dev *dev)
        pci_dev = RTE_ETH_DEV_TO_PCI(dev);
        intr_handle = &pci_dev->intr_handle;
 
+       /* free port representor pmds */
+       if (rte_representor_enabled())
+               rte_representor_broker_uninit(pf->broker);
+
        if (hw->adapter_stopped == 0)
                i40e_dev_close(dev);
 
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index cd67453..9e962eb 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -957,6 +957,7 @@ struct i40e_pf {
        bool gtp_replace_flag;   /* 1 - GTP-C/U filter replace is done */
        bool qinq_replace_flag;  /* QINQ filter replace is done */
        struct i40e_tm_conf tm_conf;
+       struct rte_representor_broker *broker;
 
        /* Dynamic Device Personalization */
        bool gtp_support; /* 1 - support GTP-C and GTP-U */
diff --git a/drivers/net/i40e/i40e_prep_ops.c b/drivers/net/i40e/i40e_prep_ops.c
new file mode 100644
index 0000000..3261b97
--- /dev/null
+++ b/drivers/net/i40e/i40e_prep_ops.c
@@ -0,0 +1,472 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rte_bus_pci.h>
+#include <rte_ethdev.h>
+#include <rte_pci.h>
+
+#include "base/i40e_type.h"
+#include "base/virtchnl.h"
+#include "i40e_ethdev.h"
+#include "i40e_rxtx.h"
+#include "rte_pmd_i40e.h"
+
+#include "i40e_prep_ops.h"
+
+struct i40e_representor_private_data {
+       struct rte_eth_dev *pf_ethdev;
+};
+
+static int
+i40e_representor_link_update(struct rte_eth_dev *ethdev, int wait_to_complete)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       return i40e_dev_link_update(i40e_priv_data->pf_ethdev,
+               wait_to_complete);
+}
+
+static void
+i40e_representor_dev_infos_get(struct rte_eth_dev *ethdev,
+       struct rte_eth_dev_info *dev_info)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+       struct i40e_pf_vf *vf;
+       struct i40e_vsi *vsi;
+       struct i40e_pf *pf;
+
+       if (!is_i40e_supported(i40e_priv_data->pf_ethdev)) {
+               PMD_DRV_LOG(ERR, "Invalid PF dev.");
+               return;
+       }
+
+       pf = I40E_DEV_PRIVATE_TO_PF(
+               i40e_priv_data->pf_ethdev->data->dev_private);
+       if (representor->vport_id >= pf->vf_num || !pf->vfs) {
+               PMD_DRV_LOG(ERR, "Invalid VF ID.");
+               return;
+       }
+
+       vf = &pf->vfs[representor->vport_id];
+       vsi = vf->vsi;
+       if (!vsi) {
+               PMD_DRV_LOG(ERR, "Invalid VSI.");
+               return;
+       }
+
+       /* get dev info for the vdev */
+       dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(ethdev);
+       dev_info->max_rx_queues = vsi->nb_qps;
+       dev_info->max_tx_queues = vsi->nb_qps;
+       dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
+       dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
+       dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
+               sizeof(uint32_t);
+       dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
+       dev_info->flow_type_rss_offloads = I40E_RSS_OFFLOAD_ALL;
+       dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
+       dev_info->rx_offload_capa =
+               DEV_RX_OFFLOAD_VLAN_STRIP |
+               DEV_RX_OFFLOAD_QINQ_STRIP |
+               DEV_RX_OFFLOAD_IPV4_CKSUM |
+               DEV_RX_OFFLOAD_UDP_CKSUM |
+               DEV_RX_OFFLOAD_TCP_CKSUM;
+       dev_info->tx_offload_capa =
+               DEV_TX_OFFLOAD_VLAN_INSERT |
+               DEV_TX_OFFLOAD_QINQ_INSERT |
+               DEV_TX_OFFLOAD_IPV4_CKSUM |
+               DEV_TX_OFFLOAD_UDP_CKSUM |
+               DEV_TX_OFFLOAD_TCP_CKSUM |
+               DEV_TX_OFFLOAD_SCTP_CKSUM;
+
+       dev_info->default_rxconf = (struct rte_eth_rxconf) {
+               .rx_thresh = {
+                       .pthresh = I40E_DEFAULT_RX_PTHRESH,
+                       .hthresh = I40E_DEFAULT_RX_HTHRESH,
+                       .wthresh = I40E_DEFAULT_RX_WTHRESH,
+               },
+               .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
+               .rx_drop_en = 0,
+       };
+
+       dev_info->default_txconf = (struct rte_eth_txconf) {
+               .tx_thresh = {
+                       .pthresh = I40E_DEFAULT_TX_PTHRESH,
+                       .hthresh = I40E_DEFAULT_TX_HTHRESH,
+                       .wthresh = I40E_DEFAULT_TX_WTHRESH,
+               },
+               .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
+               .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
+               .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
+                               ETH_TXQ_FLAGS_NOOFFLOADS,
+       };
+
+       dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
+               .nb_max = I40E_MAX_RING_DESC,
+               .nb_min = I40E_MIN_RING_DESC,
+               .nb_align = I40E_ALIGN_RING_DESC,
+       };
+
+       dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
+               .nb_max = I40E_MAX_RING_DESC,
+               .nb_min = I40E_MIN_RING_DESC,
+               .nb_align = I40E_ALIGN_RING_DESC,
+       };
+}
+
+static int
+i40e_representor_stats_get(struct rte_eth_dev *ethdev,
+               struct rte_eth_stats *stats)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       return rte_pmd_i40e_get_vf_stats(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, stats);
+}
+
+static void
+i40e_representor_stats_reset(struct rte_eth_dev *ethdev)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       rte_pmd_i40e_reset_vf_stats(i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id);
+}
+
+static void
+i40e_representor_promiscuous_enable(struct rte_eth_dev *ethdev)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       rte_pmd_i40e_set_vf_unicast_promisc(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, 1);
+}
+
+static void
+i40e_representor_promiscuous_disable(struct rte_eth_dev *ethdev)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       rte_pmd_i40e_set_vf_unicast_promisc(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, 0);
+}
+
+static void
+i40e_representor_allmulticast_enable(struct rte_eth_dev *ethdev)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       rte_pmd_i40e_set_vf_multicast_promisc(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, 1);
+}
+
+static void
+i40e_representor_allmulticast_disable(struct rte_eth_dev *ethdev)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       rte_pmd_i40e_set_vf_multicast_promisc(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, 0);
+}
+
+static void
+i40e_representor_mac_addr_remove(struct rte_eth_dev *ethdev, uint32_t index)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       rte_pmd_i40e_remove_vf_mac_addr(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, &ethdev->data->mac_addrs[index]);
+}
+
+static void
+i40e_representor_mac_addr_set(struct rte_eth_dev *ethdev,
+               struct ether_addr *mac_addr)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       rte_pmd_i40e_set_vf_mac_addr(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, mac_addr);
+}
+
+static int
+i40e_representor_vlan_filter_set(struct rte_eth_dev *ethdev,
+               uint16_t vlan_id, int on)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+       uint32_t vfid;
+       uint64_t vf_mask;
+
+       vfid = representor->vport_id;
+       vf_mask = 1ULL << vfid;
+
+       return rte_pmd_i40e_set_vf_vlan_filter(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               vlan_id, vf_mask, on);
+}
+
+static int
+i40e_representor_vlan_offload_set(struct rte_eth_dev *ethdev, int mask)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+       struct rte_eth_dev *pdev;
+       struct i40e_pf_vf *vf;
+       struct i40e_vsi *vsi;
+       struct i40e_pf *pf;
+       uint32_t vfid;
+
+       pdev = i40e_priv_data->pf_ethdev;
+       vfid = representor->vport_id;
+
+       if (!is_i40e_supported(pdev)) {
+               PMD_DRV_LOG(ERR, "Invalid PF dev.");
+               return -EINVAL;
+       }
+
+       pf = I40E_DEV_PRIVATE_TO_PF(pdev->data->dev_private);
+
+       if (vfid >= pf->vf_num || !pf->vfs) {
+               PMD_DRV_LOG(ERR, "Invalid VF ID.");
+               return -EINVAL;
+       }
+
+       vf = &pf->vfs[vfid];
+       vsi = vf->vsi;
+       if (!vsi) {
+               PMD_DRV_LOG(ERR, "Invalid VSI.");
+               return -EINVAL;
+       }
+
+       /* Fixme: even though there 3 kinds of hw offloads, hw_vlan_filter,
+        * hw_vlan_strip, and hw_vlan_extend.
+        * currently the hw_vlan_extend offload by vsi is not implemented.
+        */
+
+       if (mask & ETH_VLAN_FILTER_MASK) {
+               /* Enable or disable VLAN filtering offload */
+               if (ethdev->data->dev_conf.rxmode.hw_vlan_filter)
+                       return i40e_vsi_config_vlan_filter(vsi, TRUE);
+               else
+                       return i40e_vsi_config_vlan_filter(vsi, FALSE);
+       }
+
+       if (mask & ETH_VLAN_STRIP_MASK) {
+               /* Enable or disable VLAN stripping offload */
+               if (ethdev->data->dev_conf.rxmode.hw_vlan_strip)
+                       return i40e_vsi_config_vlan_stripping(vsi, TRUE);
+               else
+                       return i40e_vsi_config_vlan_stripping(vsi, FALSE);
+       }
+
+       return -EINVAL;
+}
+
+static void
+i40e_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev,
+       __rte_unused uint16_t rx_queue_id, int on)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       rte_pmd_i40e_set_vf_vlan_stripq(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, on);
+}
+
+static int
+i40e_representor_vlan_pvid_set(struct rte_eth_dev *ethdev, uint16_t vlan_id,
+       __rte_unused int on)
+{
+       struct rte_representor_port *representor = ethdev->data->dev_private;
+       struct i40e_representor_private_data *i40e_priv_data =
+               representor->priv_data;
+
+       return rte_pmd_i40e_set_vf_vlan_insert(
+               i40e_priv_data->pf_ethdev->data->port_id,
+               representor->vport_id, vlan_id);
+}
+
+struct eth_dev_ops i40e_representor_dev_ops = {
+       .link_update          = i40e_representor_link_update,
+       .dev_infos_get        = i40e_representor_dev_infos_get,
+
+       .stats_get            = i40e_representor_stats_get,
+       .stats_reset          = i40e_representor_stats_reset,
+
+       .promiscuous_enable   = i40e_representor_promiscuous_enable,
+       .promiscuous_disable  = i40e_representor_promiscuous_disable,
+
+       .allmulticast_enable  = i40e_representor_allmulticast_enable,
+       .allmulticast_disable = i40e_representor_allmulticast_disable,
+
+       .mac_addr_remove      = i40e_representor_mac_addr_remove,
+       .mac_addr_set         = i40e_representor_mac_addr_set,
+
+       .vlan_filter_set      = i40e_representor_vlan_filter_set,
+       .vlan_offload_set     = i40e_representor_vlan_offload_set,
+       .vlan_strip_queue_set = i40e_representor_vlan_strip_queue_set,
+       .vlan_pvid_set        = i40e_representor_vlan_pvid_set
+};
+
+static int
+i40e_port_representor_init(struct rte_representor_broker *broker,
+               struct rte_eth_dev *ethdev)
+{
+       struct rte_eth_dev *pf_ethdev;
+       struct rte_eth_link *link;
+       struct rte_representor_port *port;
+       struct i40e_pf *i40e_pf;
+       struct i40e_pf_vf *i40e_vf;
+
+       port = ethdev->data->dev_private;
+
+       /**
+        * Allocate private data for i40e port representor and save the physical
+        * functions ethdev handle
+        */
+       port->priv_data = rte_zmalloc_socket("i40e_port_representor_priv_data",
+                       sizeof(struct i40e_representor_private_data),
+                       RTE_CACHE_LINE_SIZE, ethdev->device->numa_node);
+       if (!port->priv_data)
+               return -ENOMEM;
+
+       pf_ethdev = (struct rte_eth_dev *)broker->private_data;
+
+       ((struct i40e_representor_private_data *)port->priv_data)->pf_ethdev =
+                       pf_ethdev;
+
+
+       i40e_pf = I40E_DEV_PRIVATE_TO_PF(pf_ethdev->data->dev_private);
+       i40e_vf = &i40e_pf->vfs[port->vport_id];
+
+       if (!i40e_vf->vsi) {
+               PMD_DRV_LOG(ERR, "Invalid VSI.");
+               return -EINVAL;
+       }
+
+       /* Set representor device ops */
+       ethdev->dev_ops = &i40e_representor_dev_ops;
+
+       /* Setting the number queues allocated to the VF */
+       ethdev->data->nb_rx_queues = i40e_vf->vsi->nb_qps;
+       ethdev->data->nb_tx_queues = i40e_vf->vsi->nb_qps;
+
+       /* Link state. Inherited from PF */
+       link = &pf_ethdev->data->dev_link;
+
+       ethdev->data->dev_link.link_speed = link->link_speed;
+       ethdev->data->dev_link.link_duplex = link->link_duplex;
+       ethdev->data->dev_link.link_status = link->link_status;
+       ethdev->data->dev_link.link_autoneg = link->link_autoneg;
+
+       /* No data-path so no RX/TX functions */
+       ethdev->rx_pkt_burst = NULL;
+       ethdev->tx_pkt_burst = NULL;
+
+       return 0;
+}
+
+static int
+i40e_port_representor_uninit(struct rte_representor_broker *broker 
__rte_unused,
+               struct rte_eth_dev *ethdev)
+{
+       struct rte_representor_port *port = ethdev->data->dev_private;
+
+       rte_free(port->priv_data);
+
+       return 0;
+}
+
+struct rte_representor_broker_port_ops i40e_broker_port_ops = {
+       .port_init = i40e_port_representor_init,
+       .port_uninit = i40e_port_representor_uninit
+};
+
+int
+i40e_port_representor_broker_init(struct rte_eth_dev *dev,
+       struct rte_representor_broker **broker,
+       const struct rte_pci_device *pci_dev)
+{
+       struct rte_bus *bus;
+
+       *broker = rte_zmalloc_socket("rte_port_representor_broker",
+               sizeof(**broker), RTE_CACHE_LINE_SIZE,
+               rte_socket_id());
+       if (!*broker) {
+               RTE_LOG(ERR, EAL, "Not enough memory for representor "
+                       "broker\n");
+               return -ENOMEM;
+       }
+
+       bus = rte_bus_find_by_device(&pci_dev->device);
+
+       /* Set i40e broker parameters */
+       (*broker)->bus = bus->name;
+       (*broker)->device = pci_dev->name;
+       (*broker)->nb_virtual_ports = pci_dev->max_vfs;
+       (*broker)->ops = &i40e_broker_port_ops;
+       (*broker)->private_data = dev;
+
+       return rte_representor_broker_init(*broker);
+}
diff --git a/drivers/net/i40e/i40e_prep_ops.h b/drivers/net/i40e/i40e_prep_ops.h
new file mode 100644
index 0000000..c155da8
--- /dev/null
+++ b/drivers/net/i40e/i40e_prep_ops.h
@@ -0,0 +1,46 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _I40E_PREP_OPS_H_
+#define _I40E_PREP_OPS_H_
+
+#include <rte_port_representor_driver.h>
+
+struct rte_representor_broker_port_ops *rte_i40e_broker_port_ops;
+
+int
+i40e_port_representor_broker_init(struct rte_eth_dev *dev,
+       struct rte_representor_broker **broker,
+       const struct rte_pci_device *pci_dev);
+
+#endif /* _I40E_PREP_OPS_H_ */
diff --git a/drivers/net/i40e/rte_pmd_i40e.c b/drivers/net/i40e/rte_pmd_i40e.c
index aeb92af..641a35c 100644
--- a/drivers/net/i40e/rte_pmd_i40e.c
+++ b/drivers/net/i40e/rte_pmd_i40e.c
@@ -599,6 +599,53 @@ rte_pmd_i40e_set_vf_mac_addr(uint16_t port, uint16_t vf_id,
        return 0;
 }
 
+static const struct ether_addr null_mac_addr;
+
+int
+rte_pmd_i40e_remove_vf_mac_addr(uint8_t port, uint16_t vf_id,
+       struct ether_addr *mac_addr)
+{
+       struct rte_eth_dev *dev;
+       struct i40e_pf_vf *vf;
+       struct i40e_vsi *vsi;
+       struct i40e_pf *pf;
+
+       if (i40e_validate_mac_addr((u8 *)mac_addr) != I40E_SUCCESS)
+               return -EINVAL;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+       dev = &rte_eth_devices[port];
+
+       if (!is_i40e_supported(dev))
+               return -ENOTSUP;
+
+       pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+
+       if (vf_id >= pf->vf_num || !pf->vfs)
+               return -EINVAL;
+
+       vf = &pf->vfs[vf_id];
+       vsi = vf->vsi;
+       if (!vsi) {
+               PMD_DRV_LOG(ERR, "Invalid VSI.");
+               return -EINVAL;
+       }
+
+       if (!is_same_ether_addr(mac_addr, &vf->mac_addr)) {
+               PMD_DRV_LOG(ERR, "Mac address does not match.");
+               return -EINVAL;
+       }
+
+       /* reset the mac with null mac */
+       ether_addr_copy(&null_mac_addr, &vf->mac_addr);
+
+       /* Remove the mac */
+       i40e_vsi_delete_mac(vsi, mac_addr);
+
+       return 0;
+}
+
 /* Set vlan strip on/off for specific VF from host */
 int
 rte_pmd_i40e_set_vf_vlan_stripq(uint16_t port, uint16_t vf_id, uint8_t on)
diff --git a/drivers/net/i40e/rte_pmd_i40e.h b/drivers/net/i40e/rte_pmd_i40e.h
index 580ca4a..1b1f725 100644
--- a/drivers/net/i40e/rte_pmd_i40e.h
+++ b/drivers/net/i40e/rte_pmd_i40e.h
@@ -467,6 +467,24 @@ int rte_pmd_i40e_set_vf_mac_addr(uint16_t port, uint16_t 
vf_id,
                                 struct ether_addr *mac_addr);
 
 /**
+ * Remove the VF MAC address.
+ *
+ * @param port
+ *   The port identifier of the Ethernet device.
+ * @param vf_id
+ *   VF id.
+ * @param mac_addr
+ *   VF MAC address.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if *vf* or *mac_addr* is invalid.
+ */
+int
+rte_pmd_i40e_remove_vf_mac_addr(uint8_t port, uint16_t vf_id,
+       struct ether_addr *mac_addr);
+
+/**
  * Enable/Disable vf vlan strip for all queues in a pool
  *
  * @param port
-- 
2.7.4

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