diff --git a/drivers/net/txgbe/base/txgbe_hw.c b/drivers/net/txgbe/base/txgbe_hw.c
index 68cd29767..de47f8fc9 100644
--- a/drivers/net/txgbe/base/txgbe_hw.c
+++ b/drivers/net/txgbe/base/txgbe_hw.c
@@ -1772,6 +1772,11 @@ s32 txgbe_init_ops_pf(struct txgbe_hw *hw)
 	mac->init_thermal_sensor_thresh = txgbe_init_thermal_sensor_thresh;
 
 	mbx->init_params = txgbe_init_mbx_params_pf;
+	mbx->read = txgbe_read_mbx_pf;
+	mbx->write = txgbe_write_mbx_pf;
+	mbx->check_for_msg = txgbe_check_for_msg_pf;
+	mbx->check_for_ack = txgbe_check_for_ack_pf;
+	mbx->check_for_rst = txgbe_check_for_rst_pf;
 
 	/* EEPROM */
 	rom->init_params = txgbe_init_eeprom_params;
diff --git a/drivers/net/txgbe/base/txgbe_mbx.c b/drivers/net/txgbe/base/txgbe_mbx.c
index e53024674..3641c8e06 100644
--- a/drivers/net/txgbe/base/txgbe_mbx.c
+++ b/drivers/net/txgbe/base/txgbe_mbx.c
@@ -6,6 +6,309 @@
 
 #include "txgbe_mbx.h"
 
+/**
+ *  txgbe_read_mbx - Reads a message from the mailbox
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to read
+ *
+ *  returns 0 if it successfully read message from buffer
+ **/
+s32 txgbe_read_mbx(struct txgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct txgbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = TXGBE_ERR_MBX;
+
+	DEBUGFUNC("txgbe_read_mbx");
+
+	/* limit read to size of mailbox */
+	if (size > mbx->size)
+		size = mbx->size;
+
+	if (mbx->read)
+		ret_val = mbx->read(hw, msg, size, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_write_mbx - Write a message to the mailbox
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns 0 if it successfully copied message into the buffer
+ **/
+s32 txgbe_write_mbx(struct txgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct txgbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = 0;
+
+	DEBUGFUNC("txgbe_write_mbx");
+
+	if (size > mbx->size) {
+		ret_val = TXGBE_ERR_MBX;
+		DEBUGOUT("Invalid mailbox message size %d", size);
+	} else if (mbx->write)
+		ret_val = mbx->write(hw, msg, size, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_check_for_msg - checks to see if someone sent us mail
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns 0 if the Status bit was found or else ERR_MBX
+ **/
+s32 txgbe_check_for_msg(struct txgbe_hw *hw, u16 mbx_id)
+{
+	struct txgbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = TXGBE_ERR_MBX;
+
+	DEBUGFUNC("txgbe_check_for_msg");
+
+	if (mbx->check_for_msg)
+		ret_val = mbx->check_for_msg(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_check_for_ack - checks to see if someone sent us ACK
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns 0 if the Status bit was found or else ERR_MBX
+ **/
+s32 txgbe_check_for_ack(struct txgbe_hw *hw, u16 mbx_id)
+{
+	struct txgbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = TXGBE_ERR_MBX;
+
+	DEBUGFUNC("txgbe_check_for_ack");
+
+	if (mbx->check_for_ack)
+		ret_val = mbx->check_for_ack(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_check_for_rst - checks to see if other side has reset
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns 0 if the Status bit was found or else ERR_MBX
+ **/
+s32 txgbe_check_for_rst(struct txgbe_hw *hw, u16 mbx_id)
+{
+	struct txgbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = TXGBE_ERR_MBX;
+
+	DEBUGFUNC("txgbe_check_for_rst");
+
+	if (mbx->check_for_rst)
+		ret_val = mbx->check_for_rst(hw, mbx_id);
+
+	return ret_val;
+}
+
+STATIC s32 txgbe_check_for_bit_pf(struct txgbe_hw *hw, u32 mask, s32 index)
+{
+	u32 mbvficr = rd32(hw, TXGBE_MBVFICR(index));
+	s32 ret_val = TXGBE_ERR_MBX;
+
+	if (mbvficr & mask) {
+		ret_val = 0;
+		wr32(hw, TXGBE_MBVFICR(index), mask);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_check_for_msg_pf - checks to see if the VF has sent mail
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  returns 0 if the VF has set the Status bit or else ERR_MBX
+ **/
+s32 txgbe_check_for_msg_pf(struct txgbe_hw *hw, u16 vf_number)
+{
+	s32 ret_val = TXGBE_ERR_MBX;
+	s32 index = TXGBE_MBVFICR_INDEX(vf_number);
+	u32 vf_bit = vf_number % 16;
+
+	DEBUGFUNC("txgbe_check_for_msg_pf");
+
+	if (!txgbe_check_for_bit_pf(hw, TXGBE_MBVFICR_VFREQ_VF1 << vf_bit,
+				    index)) {
+		ret_val = 0;
+		hw->mbx.stats.reqs++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_check_for_ack_pf - checks to see if the VF has ACKed
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  returns 0 if the VF has set the Status bit or else ERR_MBX
+ **/
+s32 txgbe_check_for_ack_pf(struct txgbe_hw *hw, u16 vf_number)
+{
+	s32 ret_val = TXGBE_ERR_MBX;
+	s32 index = TXGBE_MBVFICR_INDEX(vf_number);
+	u32 vf_bit = vf_number % 16;
+
+	DEBUGFUNC("txgbe_check_for_ack_pf");
+
+	if (!txgbe_check_for_bit_pf(hw, TXGBE_MBVFICR_VFACK_VF1 << vf_bit,
+				    index)) {
+		ret_val = 0;
+		hw->mbx.stats.acks++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_check_for_rst_pf - checks to see if the VF has reset
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  returns 0 if the VF has set the Status bit or else ERR_MBX
+ **/
+s32 txgbe_check_for_rst_pf(struct txgbe_hw *hw, u16 vf_number)
+{
+	u32 reg_offset = (vf_number < 32) ? 0 : 1;
+	u32 vf_shift = vf_number % 32;
+	u32 vflre = 0;
+	s32 ret_val = TXGBE_ERR_MBX;
+
+	DEBUGFUNC("txgbe_check_for_rst_pf");
+
+	vflre = rd32(hw, TXGBE_FLRVFE(reg_offset));
+	if (vflre & (1 << vf_shift)) {
+		ret_val = 0;
+		wr32(hw, TXGBE_FLRVFEC(reg_offset), (1 << vf_shift));
+		hw->mbx.stats.rsts++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_obtain_mbx_lock_pf - obtain mailbox lock
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  return 0 if we obtained the mailbox lock
+ **/
+STATIC s32 txgbe_obtain_mbx_lock_pf(struct txgbe_hw *hw, u16 vf_number)
+{
+	s32 ret_val = TXGBE_ERR_MBX;
+	u32 p2v_mailbox;
+
+	DEBUGFUNC("txgbe_obtain_mbx_lock_pf");
+
+	/* Take ownership of the buffer */
+	wr32(hw, TXGBE_MBCTL(vf_number), TXGBE_MBCTL_PFU);
+
+	/* reserve mailbox for vf use */
+	p2v_mailbox = rd32(hw, TXGBE_MBCTL(vf_number));
+	if (p2v_mailbox & TXGBE_MBCTL_PFU)
+		ret_val = 0;
+	else
+		DEBUGOUT("Failed to obtain mailbox lock for VF%d", vf_number);
+
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_write_mbx_pf - Places a message in the mailbox
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @vf_number: the VF index
+ *
+ *  returns 0 if it successfully copied message into the buffer
+ **/
+s32 txgbe_write_mbx_pf(struct txgbe_hw *hw, u32 *msg, u16 size, u16 vf_number)
+{
+	s32 ret_val;
+	u16 i;
+
+	DEBUGFUNC("txgbe_write_mbx_pf");
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = txgbe_obtain_mbx_lock_pf(hw, vf_number);
+	if (ret_val)
+		goto out_no_write;
+
+	/* flush msg and acks as we are overwriting the message buffer */
+	txgbe_check_for_msg_pf(hw, vf_number);
+	txgbe_check_for_ack_pf(hw, vf_number);
+
+	/* copy the caller specified message to the mailbox memory buffer */
+	for (i = 0; i < size; i++)
+		wr32a(hw, TXGBE_MBMEM(vf_number), i, msg[i]);
+
+	/* Interrupt VF to tell it a message has been sent and release buffer*/
+	wr32(hw, TXGBE_MBCTL(vf_number), TXGBE_MBCTL_STS);
+
+	/* update stats */
+	hw->mbx.stats.msgs_tx++;
+
+out_no_write:
+	return ret_val;
+
+}
+
+/**
+ *  txgbe_read_mbx_pf - Read a message from the mailbox
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @vf_number: the VF index
+ *
+ *  This function copies a message from the mailbox buffer to the caller's
+ *  memory buffer.  The presumption is that the caller knows that there was
+ *  a message due to a VF request so no polling for message is needed.
+ **/
+s32 txgbe_read_mbx_pf(struct txgbe_hw *hw, u32 *msg, u16 size, u16 vf_number)
+{
+	s32 ret_val;
+	u16 i;
+
+	DEBUGFUNC("txgbe_read_mbx_pf");
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = txgbe_obtain_mbx_lock_pf(hw, vf_number);
+	if (ret_val)
+		goto out_no_read;
+
+	/* copy the message to the mailbox memory buffer */
+	for (i = 0; i < size; i++)
+		msg[i] = rd32a(hw, TXGBE_MBMEM(vf_number), i);
+
+	/* Acknowledge the message and release buffer */
+	wr32(hw, TXGBE_MBCTL(vf_number), TXGBE_MBCTL_ACK);
+
+	/* update stats */
+	hw->mbx.stats.msgs_rx++;
+
+out_no_read:
+	return ret_val;
+}
+
 /**
  *  txgbe_init_mbx_params_pf - set initial values for pf mailbox
  *  @hw: pointer to the HW structure
diff --git a/drivers/net/txgbe/base/txgbe_mbx.h b/drivers/net/txgbe/base/txgbe_mbx.h
index ab2c5dd97..2d7a809c6 100644
--- a/drivers/net/txgbe/base/txgbe_mbx.h
+++ b/drivers/net/txgbe/base/txgbe_mbx.h
@@ -7,6 +7,86 @@
 
 #include "txgbe_type.h"
 
+#define TXGBE_ERR_MBX		-100
+
+/* If it's a TXGBE_VF_* msg then it originates in the VF and is sent to the
+ * PF.  The reverse is true if it is TXGBE_PF_*.
+ * Message ACK's are the value or'd with 0xF0000000
+ */
+#define TXGBE_VT_MSGTYPE_ACK	0x80000000 /* Messages below or'd with
+					    * this are the ACK */
+#define TXGBE_VT_MSGTYPE_NACK	0x40000000 /* Messages below or'd with
+					    * this are the NACK */
+#define TXGBE_VT_MSGTYPE_CTS	0x20000000 /* Indicates that VF is still
+					    * clear to send requests */
+#define TXGBE_VT_MSGINFO_SHIFT	16
+/* bits 23:16 are used for extra info for certain messages */
+#define TXGBE_VT_MSGINFO_MASK	(0xFF << TXGBE_VT_MSGINFO_SHIFT)
+
+/* definitions to support mailbox API version negotiation */
+
+/*
+ * each element denotes a version of the API; existing numbers may not
+ * change; any additions must go at the end
+ */
+enum txgbe_pfvf_api_rev {
+	txgbe_mbox_api_null,
+	txgbe_mbox_api_10,	/* API version 1.0, linux/freebsd VF driver */
+	txgbe_mbox_api_11,	/* API version 1.1, linux/freebsd VF driver */
+	txgbe_mbox_api_12,	/* API version 1.2, linux/freebsd VF driver */
+	txgbe_mbox_api_13,	/* API version 1.3, linux/freebsd VF driver */
+	txgbe_mbox_api_20,	/* API version 2.0, solaris Phase1 VF driver */
+	/* This value should always be last */
+	txgbe_mbox_api_unknown,	/* indicates that API version is not known */
+};
+
+/* mailbox API, legacy requests */
+#define TXGBE_VF_RESET		0x01 /* VF requests reset */
+#define TXGBE_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
+#define TXGBE_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
+#define TXGBE_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
+
+/* mailbox API, version 1.0 VF requests */
+#define TXGBE_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
+#define TXGBE_VF_SET_MACVLAN	0x06 /* VF requests PF for unicast filter */
+#define TXGBE_VF_API_NEGOTIATE	0x08 /* negotiate API version */
+
+/* mailbox API, version 1.1 VF requests */
+#define TXGBE_VF_GET_QUEUES	0x09 /* get queue configuration */
+
+/* mailbox API, version 1.2 VF requests */
+#define TXGBE_VF_GET_RETA      0x0a    /* VF request for RETA */
+#define TXGBE_VF_GET_RSS_KEY	0x0b    /* get RSS key */
+#define TXGBE_VF_UPDATE_XCAST_MODE	0x0c
+
+/* mode choices for TXGBE_VF_UPDATE_XCAST_MODE */
+enum txgbevf_xcast_modes {
+	TXGBEVF_XCAST_MODE_NONE = 0,
+	TXGBEVF_XCAST_MODE_MULTI,
+	TXGBEVF_XCAST_MODE_ALLMULTI,
+	TXGBEVF_XCAST_MODE_PROMISC,
+};
+
+/* GET_QUEUES return data indices within the mailbox */
+#define TXGBE_VF_TX_QUEUES	1	/* number of Tx queues supported */
+#define TXGBE_VF_RX_QUEUES	2	/* number of Rx queues supported */
+#define TXGBE_VF_TRANS_VLAN	3	/* Indication of port vlan */
+#define TXGBE_VF_DEF_QUEUE	4	/* Default queue offset */
+
+/* length of permanent address message returned from PF */
+#define TXGBE_VF_PERMADDR_MSG_LEN	4
+
+s32 txgbe_read_mbx(struct txgbe_hw *, u32 *, u16, u16);
+s32 txgbe_write_mbx(struct txgbe_hw *, u32 *, u16, u16);
+s32 txgbe_check_for_msg(struct txgbe_hw *, u16);
+s32 txgbe_check_for_ack(struct txgbe_hw *, u16);
+s32 txgbe_check_for_rst(struct txgbe_hw *, u16);
 void txgbe_init_mbx_params_pf(struct txgbe_hw *);
 
+s32 txgbe_read_mbx_pf(struct txgbe_hw *, u32 *, u16, u16);
+s32 txgbe_write_mbx_pf(struct txgbe_hw *, u32 *, u16, u16);
+s32 txgbe_check_for_msg_pf(struct txgbe_hw *, u16);
+s32 txgbe_check_for_ack_pf(struct txgbe_hw *, u16);
+s32 txgbe_check_for_rst_pf(struct txgbe_hw *, u16);
+
 #endif /* _TXGBE_MBX_H_ */
diff --git a/drivers/net/txgbe/meson.build b/drivers/net/txgbe/meson.build
index 62f650504..d6744d5b6 100644
--- a/drivers/net/txgbe/meson.build
+++ b/drivers/net/txgbe/meson.build
@@ -9,6 +9,9 @@ sources = files(
 	'txgbe_ptypes.c',
 	'txgbe_pf.c',
 	'txgbe_rxtx.c',
+	'rte_pmd_txgbe.c'
 )
 
 includes += include_directories('base')
+
+install_headers('rte_pmd_txgbe.h')
diff --git a/drivers/net/txgbe/rte_pmd_txgbe.c b/drivers/net/txgbe/rte_pmd_txgbe.c
new file mode 100644
index 000000000..075957f51
--- /dev/null
+++ b/drivers/net/txgbe/rte_pmd_txgbe.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#include <rte_ethdev_driver.h>
+
+#include "base/txgbe.h"
+#include "txgbe_ethdev.h"
+#include "rte_pmd_txgbe.h"
+
+
diff --git a/drivers/net/txgbe/rte_pmd_txgbe.h b/drivers/net/txgbe/rte_pmd_txgbe.h
new file mode 100644
index 000000000..51a316f6f
--- /dev/null
+++ b/drivers/net/txgbe/rte_pmd_txgbe.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+/**
+ * @file rte_pmd_txgbe.h
+ * txgbe PMD specific functions.
+ *
+ **/
+
+#ifndef _PMD_TXGBE_H_
+#define _PMD_TXGBE_H_
+
+#include <rte_compat.h>
+#include <rte_ethdev.h>
+#include <rte_ether.h>
+
+/**
+ * Response sent back to txgbe driver from user app after callback
+ */
+enum rte_pmd_txgbe_mb_event_rsp {
+	RTE_PMD_TXGBE_MB_EVENT_NOOP_ACK,  /**< skip mbox request and ACK */
+	RTE_PMD_TXGBE_MB_EVENT_NOOP_NACK, /**< skip mbox request and NACK */
+	RTE_PMD_TXGBE_MB_EVENT_PROCEED,  /**< proceed with mbox request  */
+	RTE_PMD_TXGBE_MB_EVENT_MAX       /**< max value of this enum */
+};
+
+/**
+ * Data sent to the user application when the callback is executed.
+ */
+struct rte_pmd_txgbe_mb_event_param {
+	uint16_t vfid;     /**< Virtual Function number */
+	uint16_t msg_type; /**< VF to PF message type, defined in txgbe_mbx.h */
+	uint16_t retval;   /**< return value */
+	void *msg;         /**< pointer to message */
+};
+#endif /* _PMD_TXGBE_H_ */
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index a04e2ecc9..ee758ba2c 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -2394,6 +2394,7 @@ txgbe_dev_interrupt_action(struct rte_eth_dev *dev,
 	PMD_DRV_LOG(DEBUG, "intr action type %d", intr->flags);
 
 	if (intr->flags & TXGBE_FLAG_MAILBOX) {
+		txgbe_pf_mbx_process(dev);
 		intr->flags &= ~TXGBE_FLAG_MAILBOX;
 	}
 
@@ -2466,6 +2467,8 @@ txgbe_dev_interrupt_delayed_handler(void *param)
 	txgbe_disable_intr(hw);
 
 	eicr = ((u32 *)hw->isb_mem)[TXGBE_ISB_MISC];
+	if (eicr & TXGBE_ICRMISC_VFMBX)
+		txgbe_pf_mbx_process(dev);
 
 	if (intr->flags & TXGBE_FLAG_PHY_INTERRUPT) {
 		hw->phy.handle_lasi(hw);
diff --git a/drivers/net/txgbe/txgbe_ethdev.h b/drivers/net/txgbe/txgbe_ethdev.h
index 10eda96a1..bc83c2576 100644
--- a/drivers/net/txgbe/txgbe_ethdev.h
+++ b/drivers/net/txgbe/txgbe_ethdev.h
@@ -73,6 +73,11 @@ struct txgbe_hwstrip {
 	uint32_t bitmap[TXGBE_HWSTRIP_BITMAP_SIZE];
 };
 
+/*
+ * VF data which used by PF host only
+ */
+#define TXGBE_MAX_VF_MC_ENTRIES      30
+
 struct txgbe_uta_info {
 	uint8_t  uc_filter_type;
 	uint16_t uta_in_use;
@@ -88,7 +93,14 @@ struct txgbe_mirror_info {
 
 struct txgbe_vf_info {
 	uint8_t vf_mac_addresses[RTE_ETHER_ADDR_LEN];
+	uint16_t vf_mc_hashes[TXGBE_MAX_VF_MC_ENTRIES];
+	uint16_t num_vf_mc_hashes;
+	bool clear_to_send;
+	uint16_t vlan_count;
+	uint8_t api_version;
 	uint16_t switch_domain_id;
+	uint16_t xcast_mode;
+	uint16_t mac_count;
 };
 
 /*
@@ -212,6 +224,8 @@ void txgbe_pf_host_init(struct rte_eth_dev *eth_dev);
 
 void txgbe_pf_host_uninit(struct rte_eth_dev *eth_dev);
 
+void txgbe_pf_mbx_process(struct rte_eth_dev *eth_dev);
+
 
 #define TXGBE_LINK_DOWN_CHECK_TIMEOUT 4000 /* ms */
 #define TXGBE_LINK_UP_CHECK_TIMEOUT   1000 /* ms */
diff --git a/drivers/net/txgbe/txgbe_pf.c b/drivers/net/txgbe/txgbe_pf.c
index 7ed992e72..143153065 100644
--- a/drivers/net/txgbe/txgbe_pf.c
+++ b/drivers/net/txgbe/txgbe_pf.c
@@ -23,6 +23,10 @@
 
 #include "base/txgbe.h"
 #include "txgbe_ethdev.h"
+#include "rte_pmd_txgbe.h"
+
+#define TXGBE_VF_MSG_SIZE_DEFAULT 1
+#define TXGBE_VF_GET_QUEUE_MSG_SIZE 5
 
 static inline uint16_t
 dev_num_vf(struct rte_eth_dev *eth_dev)
@@ -138,3 +142,599 @@ void txgbe_pf_host_uninit(struct rte_eth_dev *eth_dev)
 	*vfinfo = NULL;
 }
 
+static void
+txgbe_set_rx_mode(struct rte_eth_dev *eth_dev)
+{
+	struct rte_eth_dev_data *dev_data = eth_dev->data;
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	u32 fctrl, vmolr;
+	uint16_t vfn = dev_num_vf(eth_dev);
+
+	/* disable store-bad-packets */
+	wr32m(hw, TXGBE_SECRXCTL, TXGBE_SECRXCTL_SAVEBAD, 0);
+
+	/* Check for Promiscuous and All Multicast modes */
+	fctrl = rd32m(hw, TXGBE_PSRCTL,
+			~(TXGBE_PSRCTL_UCP | TXGBE_PSRCTL_MCP));
+	fctrl |= TXGBE_PSRCTL_BCA |
+		 TXGBE_PSRCTL_MCHFENA;
+
+	vmolr = rd32m(hw, TXGBE_POOLETHCTL(vfn),
+			~(TXGBE_POOLETHCTL_UCP |
+			  TXGBE_POOLETHCTL_MCP |
+			  TXGBE_POOLETHCTL_UCHA |
+			  TXGBE_POOLETHCTL_MCHA));
+	vmolr |= TXGBE_POOLETHCTL_BCA |
+		 TXGBE_POOLETHCTL_UTA |
+		 TXGBE_POOLETHCTL_VLA;
+
+	if (dev_data->promiscuous) {
+		fctrl |= TXGBE_PSRCTL_UCP |
+			 TXGBE_PSRCTL_MCP;
+		/* pf don't want packets routing to vf, so clear UPE */
+		vmolr |= TXGBE_POOLETHCTL_MCP;
+	} else if (dev_data->all_multicast) {
+		fctrl |= TXGBE_PSRCTL_MCP;
+		vmolr |= TXGBE_POOLETHCTL_MCP;
+	} else {
+		vmolr |= TXGBE_POOLETHCTL_UCHA;
+		vmolr |= TXGBE_POOLETHCTL_MCHA;
+	}
+
+	wr32(hw, TXGBE_POOLETHCTL(vfn), vmolr);
+
+	wr32(hw, TXGBE_PSRCTL, fctrl);
+
+	txgbe_vlan_hw_strip_config(eth_dev);
+}
+
+static inline void
+txgbe_vf_reset_event(struct rte_eth_dev *eth_dev, uint16_t vf)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	struct txgbe_vf_info *vfinfo = *(TXGBE_DEV_VFDATA(eth_dev));
+	int rar_entry = hw->mac.num_rar_entries - (vf + 1);
+	uint32_t vmolr = rd32(hw, TXGBE_POOLETHCTL(vf));
+
+	vmolr |= (TXGBE_POOLETHCTL_UCHA |
+			TXGBE_POOLETHCTL_BCA | TXGBE_POOLETHCTL_UTA);
+	wr32(hw, TXGBE_POOLETHCTL(vf), vmolr);
+
+	wr32(hw, TXGBE_POOLTAG(vf), 0);
+
+	/* reset multicast table array for vf */
+	vfinfo[vf].num_vf_mc_hashes = 0;
+
+	/* reset rx mode */
+	txgbe_set_rx_mode(eth_dev);
+
+	hw->mac.clear_rar(hw, rar_entry);
+}
+
+static inline void
+txgbe_vf_reset_msg(struct rte_eth_dev *eth_dev, uint16_t vf)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	uint32_t reg;
+	uint32_t reg_offset, vf_shift;
+	const uint8_t VFRE_SHIFT = 5;  /* VFRE 32 bits per slot */
+	const uint8_t VFRE_MASK = (uint8_t)((1U << VFRE_SHIFT) - 1);
+	uint8_t  nb_q_per_pool;
+	int i;
+
+	vf_shift = vf & VFRE_MASK;
+	reg_offset = (vf >> VFRE_SHIFT) > 0 ? 1 : 0;
+
+	/* enable transmit for vf */
+	reg = rd32(hw, TXGBE_POOLTXENA(reg_offset));
+	reg |= (reg | (1 << vf_shift));
+	wr32(hw, TXGBE_POOLTXENA(reg_offset), reg);
+
+	/* enable all queue drop for IOV */
+	nb_q_per_pool = RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool;
+	for (i = vf * nb_q_per_pool; i < (vf + 1) * nb_q_per_pool; i++) {
+		txgbe_flush(hw);
+		reg = 1 << (i % 32);
+		wr32m(hw, TXGBE_QPRXDROP(i / 32), reg, reg);
+	}
+
+	/* enable receive for vf */
+	reg = rd32(hw, TXGBE_POOLRXENA(reg_offset));
+	reg |= (reg | (1 << vf_shift));
+	wr32(hw, TXGBE_POOLRXENA(reg_offset), reg);
+
+	txgbe_vf_reset_event(eth_dev, vf);
+}
+
+static int
+txgbe_disable_vf_mc_promisc(struct rte_eth_dev *eth_dev, uint32_t vf)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	uint32_t vmolr;
+
+	vmolr = rd32(hw, TXGBE_POOLETHCTL(vf));
+
+	PMD_DRV_LOG(INFO, "VF %u: disabling multicast promiscuous\n", vf);
+
+	vmolr &= ~TXGBE_POOLETHCTL_MCP;
+
+	wr32(hw, TXGBE_POOLETHCTL(vf), vmolr);
+
+	return 0;
+}
+
+static int
+txgbe_vf_reset(struct rte_eth_dev *eth_dev, uint16_t vf, uint32_t *msgbuf)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	struct txgbe_vf_info *vfinfo = *(TXGBE_DEV_VFDATA(eth_dev));
+	unsigned char *vf_mac = vfinfo[vf].vf_mac_addresses;
+	int rar_entry = hw->mac.num_rar_entries - (vf + 1);
+	uint8_t *new_mac = (uint8_t *)(&msgbuf[1]);
+
+	txgbe_vf_reset_msg(eth_dev, vf);
+
+	hw->mac.set_rar(hw, rar_entry, vf_mac, vf, true);
+
+	/* Disable multicast promiscuous at reset */
+	txgbe_disable_vf_mc_promisc(eth_dev, vf);
+
+	/* reply to reset with ack and vf mac address */
+	msgbuf[0] = TXGBE_VF_RESET | TXGBE_VT_MSGTYPE_ACK;
+	rte_memcpy(new_mac, vf_mac, RTE_ETHER_ADDR_LEN);
+	/*
+	 * Piggyback the multicast filter type so VF can compute the
+	 * correct vectors
+	 */
+	msgbuf[3] = hw->mac.mc_filter_type;
+	txgbe_write_mbx(hw, msgbuf, TXGBE_VF_PERMADDR_MSG_LEN, vf);
+
+	return 0;
+}
+
+static int
+txgbe_vf_set_mac_addr(struct rte_eth_dev *eth_dev, uint32_t vf, uint32_t *msgbuf)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	struct txgbe_vf_info *vfinfo = *(TXGBE_DEV_VFDATA(eth_dev));
+	int rar_entry = hw->mac.num_rar_entries - (vf + 1);
+	uint8_t *new_mac = (uint8_t *)(&msgbuf[1]);
+
+	if (rte_is_valid_assigned_ether_addr((struct rte_ether_addr *)new_mac)) {
+		rte_memcpy(vfinfo[vf].vf_mac_addresses, new_mac, 6);
+		return hw->mac.set_rar(hw, rar_entry, new_mac, vf, true);
+	}
+	return -1;
+}
+
+static int
+txgbe_vf_set_multicast(struct rte_eth_dev *eth_dev, uint32_t vf, uint32_t *msgbuf)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	struct txgbe_vf_info *vfinfo = *(TXGBE_DEV_VFDATA(eth_dev));
+	int nb_entries = (msgbuf[0] & TXGBE_VT_MSGINFO_MASK) >>
+		TXGBE_VT_MSGINFO_SHIFT;
+	uint16_t *hash_list = (uint16_t *)&msgbuf[1];
+	uint32_t mta_idx;
+	uint32_t mta_shift;
+	const uint32_t TXGBE_MTA_INDEX_MASK = 0x7F;
+	const uint32_t TXGBE_MTA_BIT_SHIFT = 5;
+	const uint32_t TXGBE_MTA_BIT_MASK = (0x1 << TXGBE_MTA_BIT_SHIFT) - 1;
+	uint32_t reg_val;
+	int i;
+	u32 vmolr = rd32(hw, TXGBE_POOLETHCTL(vf));
+
+	/* Disable multicast promiscuous first */
+	txgbe_disable_vf_mc_promisc(eth_dev, vf);
+
+	/* only so many hash values supported */
+	nb_entries = RTE_MIN(nb_entries, TXGBE_MAX_VF_MC_ENTRIES);
+
+	/* store the mc entries  */
+	vfinfo->num_vf_mc_hashes = (uint16_t)nb_entries;
+	for (i = 0; i < nb_entries; i++) {
+		vfinfo->vf_mc_hashes[i] = hash_list[i];
+	}
+
+	if (nb_entries == 0) {
+		vmolr &= ~TXGBE_POOLETHCTL_MCHA;
+		wr32(hw, TXGBE_POOLETHCTL(vf), vmolr);
+		return 0;
+	}
+
+	for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
+		mta_idx = (vfinfo->vf_mc_hashes[i] >> TXGBE_MTA_BIT_SHIFT)
+				& TXGBE_MTA_INDEX_MASK;
+		mta_shift = vfinfo->vf_mc_hashes[i] & TXGBE_MTA_BIT_MASK;
+		reg_val = rd32(hw, TXGBE_MCADDRTBL(mta_idx));
+		reg_val |= (1 << mta_shift);
+		wr32(hw, TXGBE_MCADDRTBL(mta_idx), reg_val);
+	}
+
+	vmolr |= TXGBE_POOLETHCTL_MCHA;
+	wr32(hw, TXGBE_POOLETHCTL(vf), vmolr);
+
+	return 0;
+}
+
+static int
+txgbe_vf_set_vlan(struct rte_eth_dev *eth_dev, uint32_t vf, uint32_t *msgbuf)
+{
+	int add, vid;
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	struct txgbe_vf_info *vfinfo = *(TXGBE_DEV_VFDATA(eth_dev));
+
+	add = (msgbuf[0] & TXGBE_VT_MSGINFO_MASK)
+		>> TXGBE_VT_MSGINFO_SHIFT;
+	vid = TXGBE_PSRVLAN_VID(msgbuf[1]);
+
+	if (add)
+		vfinfo[vf].vlan_count++;
+	else if (vfinfo[vf].vlan_count)
+		vfinfo[vf].vlan_count--;
+	return hw->mac.set_vfta(hw, vid, vf, (bool)add, false);
+}
+
+static int
+txgbe_set_vf_lpe(struct rte_eth_dev *eth_dev, __rte_unused uint32_t vf, uint32_t *msgbuf)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	uint32_t max_frame = msgbuf[1];
+	uint32_t max_frs;
+
+	if ((max_frame < RTE_ETHER_MIN_LEN) ||
+			(max_frame > RTE_ETHER_MAX_JUMBO_FRAME_LEN))
+		return -1;
+
+	max_frs = rd32m(hw, TXGBE_FRMSZ, TXGBE_FRMSZ_MAX_MASK);
+	if (max_frs < max_frame) {
+		wr32m(hw, TXGBE_FRMSZ, TXGBE_FRMSZ_MAX_MASK,
+			TXGBE_FRMSZ_MAX(max_frame));
+	}
+
+	return 0;
+}
+
+static int
+txgbe_negotiate_vf_api(struct rte_eth_dev *eth_dev, uint32_t vf, uint32_t *msgbuf)
+{
+	uint32_t api_version = msgbuf[1];
+	struct txgbe_vf_info *vfinfo = *TXGBE_DEV_VFDATA(eth_dev);
+
+	switch (api_version) {
+	case txgbe_mbox_api_10:
+	case txgbe_mbox_api_11:
+	case txgbe_mbox_api_12:
+	case txgbe_mbox_api_13:
+		vfinfo[vf].api_version = (uint8_t)api_version;
+		return 0;
+	default:
+		break;
+	}
+
+	PMD_DRV_LOG(ERR, "Negotiate invalid api version %u from VF %d\n",
+		api_version, vf);
+
+	return -1;
+}
+
+static int
+txgbe_get_vf_queues(struct rte_eth_dev *eth_dev, uint32_t vf, uint32_t *msgbuf)
+{
+	struct txgbe_vf_info *vfinfo = *TXGBE_DEV_VFDATA(eth_dev);
+	uint32_t default_q = vf * RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool;
+	struct rte_eth_conf *eth_conf;
+	struct rte_eth_vmdq_dcb_tx_conf *vmdq_dcb_tx_conf;
+	u8 num_tcs;
+	struct txgbe_hw *hw;
+	u32 vmvir;
+	u32 vlana;
+	u32 vid;
+	u32 user_priority;
+
+	/* Verify if the PF supports the mbox APIs version or not */
+	switch (vfinfo[vf].api_version) {
+	case txgbe_mbox_api_20:
+	case txgbe_mbox_api_11:
+	case txgbe_mbox_api_12:
+	case txgbe_mbox_api_13:
+		break;
+	default:
+		return -1;
+	}
+
+	/* Notify VF of Rx and Tx queue number */
+	msgbuf[TXGBE_VF_RX_QUEUES] = RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool;
+	msgbuf[TXGBE_VF_TX_QUEUES] = RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool;
+
+	/* Notify VF of default queue */
+	msgbuf[TXGBE_VF_DEF_QUEUE] = default_q;
+
+	/* Notify VF of number of DCB traffic classes */
+	eth_conf = &eth_dev->data->dev_conf;
+	switch (eth_conf->txmode.mq_mode) {
+	case ETH_MQ_TX_NONE:
+	case ETH_MQ_TX_DCB:
+		PMD_DRV_LOG(ERR, "PF must work with virtualization for VF %u"
+			", but its tx mode = %d\n", vf,
+			eth_conf->txmode.mq_mode);
+		return -1;
+
+	case ETH_MQ_TX_VMDQ_DCB:
+		vmdq_dcb_tx_conf = &eth_conf->tx_adv_conf.vmdq_dcb_tx_conf;
+		switch (vmdq_dcb_tx_conf->nb_queue_pools) {
+		case ETH_16_POOLS:
+			num_tcs = ETH_8_TCS;
+			break;
+		case ETH_32_POOLS:
+			num_tcs = ETH_4_TCS;
+			break;
+		default:
+			return -1;
+		}
+		break;
+
+	/* ETH_MQ_TX_VMDQ_ONLY,  DCB not enabled */
+	case ETH_MQ_TX_VMDQ_ONLY:
+		hw = TXGBE_DEV_HW(eth_dev);
+		vmvir = rd32(hw, TXGBE_POOLTAG(vf));
+		vlana = vmvir & TXGBE_POOLTAG_ACT_MASK;
+		vid = vmvir & TXGBE_POOLTAG_VTAG_MASK;
+		user_priority =
+			TXGBD_POOLTAG_VTAG_UP(vmvir);
+		if ((vlana == TXGBE_POOLTAG_ACT_ALWAYS) &&
+			((vid !=  0) || (user_priority != 0)))
+			num_tcs = 1;
+		else
+			num_tcs = 0;
+		break;
+
+	default:
+		PMD_DRV_LOG(ERR, "PF work with invalid mode = %d\n",
+			eth_conf->txmode.mq_mode);
+		return -1;
+	}
+	msgbuf[TXGBE_VF_TRANS_VLAN] = num_tcs;
+
+	return 0;
+}
+
+static int
+txgbe_set_vf_mc_promisc(struct rte_eth_dev *eth_dev, uint32_t vf, uint32_t *msgbuf)
+{
+	struct txgbe_vf_info *vfinfo = *(TXGBE_DEV_VFDATA(eth_dev));
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	int xcast_mode = msgbuf[1];	/* msgbuf contains the flag to enable */
+	u32 vmolr, fctrl, disable, enable;
+
+	switch (vfinfo[vf].api_version) {
+	case txgbe_mbox_api_12:
+		/* promisc introduced in 1.3 version */
+		if (xcast_mode == TXGBEVF_XCAST_MODE_PROMISC)
+			return -EOPNOTSUPP;
+		break;
+		/* Fall threw */
+	case txgbe_mbox_api_13:
+		break;
+	default:
+		return -1;
+	}
+
+	if (vfinfo[vf].xcast_mode == xcast_mode)
+		goto out;
+
+	switch (xcast_mode) {
+	case TXGBEVF_XCAST_MODE_NONE:
+		disable = TXGBE_POOLETHCTL_BCA | TXGBE_POOLETHCTL_MCHA |
+			  TXGBE_POOLETHCTL_MCP | TXGBE_POOLETHCTL_UCP |
+			  TXGBE_POOLETHCTL_VLP;
+		enable = 0;
+		break;
+	case TXGBEVF_XCAST_MODE_MULTI:
+		disable = TXGBE_POOLETHCTL_MCP | TXGBE_POOLETHCTL_UCP |
+			  TXGBE_POOLETHCTL_VLP;
+		enable = TXGBE_POOLETHCTL_BCA | TXGBE_POOLETHCTL_MCHA;
+		break;
+	case TXGBEVF_XCAST_MODE_ALLMULTI:
+		disable = TXGBE_POOLETHCTL_UCP | TXGBE_POOLETHCTL_VLP;
+		enable = TXGBE_POOLETHCTL_BCA | TXGBE_POOLETHCTL_MCHA |
+			 TXGBE_POOLETHCTL_MCP;
+		break;
+	case TXGBEVF_XCAST_MODE_PROMISC:
+		fctrl = rd32(hw, TXGBE_PSRCTL);
+		if (!(fctrl & TXGBE_PSRCTL_UCP)) {
+			/* VF promisc requires PF in promisc */
+			PMD_DRV_LOG(ERR,
+			       "Enabling VF promisc requires PF in promisc\n");
+			return -1;
+		}
+
+		disable = 0;
+		enable = TXGBE_POOLETHCTL_BCA | TXGBE_POOLETHCTL_MCHA |
+			 TXGBE_POOLETHCTL_MCP | TXGBE_POOLETHCTL_UCP |
+			 TXGBE_POOLETHCTL_VLP;
+		break;
+	default:
+		return -1;
+	}
+
+	vmolr = rd32(hw, TXGBE_POOLETHCTL(vf));
+	vmolr &= ~disable;
+	vmolr |= enable;
+	wr32(hw, TXGBE_POOLETHCTL(vf), vmolr);
+	vfinfo[vf].xcast_mode = xcast_mode;
+
+out:
+	msgbuf[1] = xcast_mode;
+
+	return 0;
+}
+
+static int
+txgbe_set_vf_macvlan_msg(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+	struct txgbe_vf_info *vf_info = *(TXGBE_DEV_VFDATA(dev));
+	uint8_t *new_mac = (uint8_t *)(&msgbuf[1]);
+	int index = (msgbuf[0] & TXGBE_VT_MSGINFO_MASK) >>
+		    TXGBE_VT_MSGINFO_SHIFT;
+
+	if (index) {
+		if (!rte_is_valid_assigned_ether_addr(
+			(struct rte_ether_addr *)new_mac)) {
+			PMD_DRV_LOG(ERR, "set invalid mac vf:%d\n", vf);
+			return -1;
+		}
+
+		vf_info[vf].mac_count++;
+
+		hw->mac.set_rar(hw, vf_info[vf].mac_count,
+				new_mac, vf, true);
+	} else {
+		if (vf_info[vf].mac_count) {
+			hw->mac.clear_rar(hw, vf_info[vf].mac_count);
+			vf_info[vf].mac_count = 0;
+		}
+	}
+	return 0;
+}
+
+static int
+txgbe_rcv_msg_from_vf(struct rte_eth_dev *eth_dev, uint16_t vf)
+{
+	uint16_t mbx_size = TXGBE_P2VMBX_SIZE;
+	uint16_t msg_size = TXGBE_VF_MSG_SIZE_DEFAULT;
+	uint32_t msgbuf[TXGBE_P2VMBX_SIZE];
+	int32_t retval;
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	struct txgbe_vf_info *vfinfo = *TXGBE_DEV_VFDATA(eth_dev);
+	struct rte_pmd_txgbe_mb_event_param ret_param;
+
+	retval = txgbe_read_mbx(hw, msgbuf, mbx_size, vf);
+	if (retval) {
+		PMD_DRV_LOG(ERR, "Error mbx recv msg from VF %d", vf);
+		return retval;
+	}
+
+	/* do nothing with the message already been processed */
+	if (msgbuf[0] & (TXGBE_VT_MSGTYPE_ACK | TXGBE_VT_MSGTYPE_NACK))
+		return retval;
+
+	/* flush the ack before we write any messages back */
+	txgbe_flush(hw);
+
+	/**
+	 * initialise structure to send to user application
+	 * will return response from user in retval field
+	 */
+	ret_param.retval = RTE_PMD_TXGBE_MB_EVENT_PROCEED;
+	ret_param.vfid = vf;
+	ret_param.msg_type = msgbuf[0] & 0xFFFF;
+	ret_param.msg = (void *)msgbuf;
+
+	/* perform VF reset */
+	if (msgbuf[0] == TXGBE_VF_RESET) {
+		int ret = txgbe_vf_reset(eth_dev, vf, msgbuf);
+
+		vfinfo[vf].clear_to_send = true;
+
+		/* notify application about VF reset */
+		_rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_VF_MBOX,
+					      &ret_param);
+		return ret;
+	}
+
+	/**
+	 * ask user application if we allowed to perform those functions
+	 * if we get ret_param.retval == RTE_PMD_TXGBE_MB_EVENT_PROCEED
+	 * then business as usual,
+	 * if 0, do nothing and send ACK to VF
+	 * if ret_param.retval > 1, do nothing and send NAK to VF
+	 */
+	_rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_VF_MBOX,
+				      &ret_param);
+
+	retval = ret_param.retval;
+
+	/* check & process VF to PF mailbox message */
+	switch ((msgbuf[0] & 0xFFFF)) {
+	case TXGBE_VF_SET_MAC_ADDR:
+		if (retval == RTE_PMD_TXGBE_MB_EVENT_PROCEED)
+			retval = txgbe_vf_set_mac_addr(eth_dev, vf, msgbuf);
+		break;
+	case TXGBE_VF_SET_MULTICAST:
+		if (retval == RTE_PMD_TXGBE_MB_EVENT_PROCEED)
+			retval = txgbe_vf_set_multicast(eth_dev, vf, msgbuf);
+		break;
+	case TXGBE_VF_SET_LPE:
+		if (retval == RTE_PMD_TXGBE_MB_EVENT_PROCEED)
+			retval = txgbe_set_vf_lpe(eth_dev, vf, msgbuf);
+		break;
+	case TXGBE_VF_SET_VLAN:
+		if (retval == RTE_PMD_TXGBE_MB_EVENT_PROCEED)
+			retval = txgbe_vf_set_vlan(eth_dev, vf, msgbuf);
+		break;
+	case TXGBE_VF_API_NEGOTIATE:
+		retval = txgbe_negotiate_vf_api(eth_dev, vf, msgbuf);
+		break;
+	case TXGBE_VF_GET_QUEUES:
+		retval = txgbe_get_vf_queues(eth_dev, vf, msgbuf);
+		msg_size = TXGBE_VF_GET_QUEUE_MSG_SIZE;
+		break;
+	case TXGBE_VF_UPDATE_XCAST_MODE:
+		if (retval == RTE_PMD_TXGBE_MB_EVENT_PROCEED)
+			retval = txgbe_set_vf_mc_promisc(eth_dev, vf, msgbuf);
+		break;
+	case TXGBE_VF_SET_MACVLAN:
+		if (retval == RTE_PMD_TXGBE_MB_EVENT_PROCEED)
+			retval = txgbe_set_vf_macvlan_msg(eth_dev, vf, msgbuf);
+		break;
+	default:
+		PMD_DRV_LOG(DEBUG, "Unhandled Msg %8.8x", (unsigned)msgbuf[0]);
+		retval = TXGBE_ERR_MBX;
+		break;
+	}
+
+	/* response the VF according to the message process result */
+	if (retval)
+		msgbuf[0] |= TXGBE_VT_MSGTYPE_NACK;
+	else
+		msgbuf[0] |= TXGBE_VT_MSGTYPE_ACK;
+
+	msgbuf[0] |= TXGBE_VT_MSGTYPE_CTS;
+
+	txgbe_write_mbx(hw, msgbuf, msg_size, vf);
+
+	return retval;
+}
+
+static inline void
+txgbe_rcv_ack_from_vf(struct rte_eth_dev *eth_dev, uint16_t vf)
+{
+	uint32_t msg = TXGBE_VT_MSGTYPE_NACK;
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+	struct txgbe_vf_info *vfinfo = *TXGBE_DEV_VFDATA(eth_dev);
+
+	if (!vfinfo[vf].clear_to_send)
+		txgbe_write_mbx(hw, &msg, 1, vf);
+}
+
+void txgbe_pf_mbx_process(struct rte_eth_dev *eth_dev)
+{
+	uint16_t vf;
+	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
+
+	for (vf = 0; vf < dev_num_vf(eth_dev); vf++) {
+		/* check & process vf function level reset */
+		if (!txgbe_check_for_rst(hw, vf))
+			txgbe_vf_reset_event(eth_dev, vf);
+
+		/* check & process vf mailbox messages */
+		if (!txgbe_check_for_msg(hw, vf))
+			txgbe_rcv_msg_from_vf(eth_dev, vf);
+
+		/* check & process acks from vf */
+		if (!txgbe_check_for_ack(hw, vf))
+			txgbe_rcv_ack_from_vf(eth_dev, vf);
+	}
+}
