diff mbox series

[v2,18/26] net/ngbe: add mailbox process operations

Message ID 20211021095023.18288-19-jiawenwu@trustnetic.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers show
Series net/ngbe: add many features | expand

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Jiawen Wu Oct. 21, 2021, 9:50 a.m. UTC
Add check operation for vf function level reset,
mailbox messages and ack from vf.
Waiting to process the messages.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/ngbe/base/ngbe.h       |   4 +
 drivers/net/ngbe/base/ngbe_dummy.h |  39 ++
 drivers/net/ngbe/base/ngbe_hw.c    | 216 +++++++++++
 drivers/net/ngbe/base/ngbe_hw.h    |   6 +
 drivers/net/ngbe/base/ngbe_mbx.c   | 297 +++++++++++++++
 drivers/net/ngbe/base/ngbe_mbx.h   |  78 ++++
 drivers/net/ngbe/base/ngbe_type.h  |  10 +
 drivers/net/ngbe/ngbe_ethdev.c     |   7 +
 drivers/net/ngbe/ngbe_ethdev.h     |  33 ++
 drivers/net/ngbe/ngbe_pf.c         | 563 +++++++++++++++++++++++++++++
 10 files changed, 1253 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ngbe/base/ngbe.h b/drivers/net/ngbe/base/ngbe.h
index fe85b07b57..1d17c2f115 100644
--- a/drivers/net/ngbe/base/ngbe.h
+++ b/drivers/net/ngbe/base/ngbe.h
@@ -6,6 +6,10 @@ 
 #define _NGBE_H_
 
 #include "ngbe_type.h"
+#include "ngbe_mng.h"
+#include "ngbe_mbx.h"
+#include "ngbe_eeprom.h"
+#include "ngbe_phy.h"
 #include "ngbe_hw.h"
 
 #endif /* _NGBE_H_ */
diff --git a/drivers/net/ngbe/base/ngbe_dummy.h b/drivers/net/ngbe/base/ngbe_dummy.h
index 5cb09bfcaa..940b448734 100644
--- a/drivers/net/ngbe/base/ngbe_dummy.h
+++ b/drivers/net/ngbe/base/ngbe_dummy.h
@@ -136,6 +136,16 @@  static inline s32 ngbe_mac_clear_vfta_dummy(struct ngbe_hw *TUP0)
 {
 	return NGBE_ERR_OPS_DUMMY;
 }
+static inline s32 ngbe_mac_set_vfta_dummy(struct ngbe_hw *TUP0, u32 TUP1,
+					u32 TUP2, bool TUP3, bool TUP4)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
+static inline s32 ngbe_mac_set_vlvf_dummy(struct ngbe_hw *TUP0, u32 TUP1,
+			u32 TUP2, bool TUP3, u32 *TUP4, u32 TUP5, bool TUP6)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
 static inline void ngbe_mac_set_mac_anti_spoofing_dummy(struct ngbe_hw *TUP0,
 					bool TUP1, int TUP2)
 {
@@ -200,6 +210,28 @@  static inline s32 ngbe_phy_check_link_dummy(struct ngbe_hw *TUP0, u32 *TUP1,
 static inline void ngbe_mbx_init_params_dummy(struct ngbe_hw *TUP0)
 {
 }
+static inline s32 ngbe_mbx_read_dummy(struct ngbe_hw *TUP0, u32 *TUP1,
+					u16 TUP2, u16 TUP3)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
+static inline s32 ngbe_mbx_write_dummy(struct ngbe_hw *TUP0, u32 *TUP1,
+					u16 TUP2, u16 TUP3)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
+static inline s32 ngbe_mbx_check_for_msg_dummy(struct ngbe_hw *TUP0, u16 TUP1)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
+static inline s32 ngbe_mbx_check_for_ack_dummy(struct ngbe_hw *TUP0, u16 TUP1)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
+static inline s32 ngbe_mbx_check_for_rst_dummy(struct ngbe_hw *TUP0, u16 TUP1)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
 
 static inline void ngbe_init_ops_dummy(struct ngbe_hw *hw)
 {
@@ -228,6 +260,8 @@  static inline void ngbe_init_ops_dummy(struct ngbe_hw *hw)
 	hw->mac.init_rx_addrs = ngbe_mac_init_rx_addrs_dummy;
 	hw->mac.update_mc_addr_list = ngbe_mac_update_mc_addr_list_dummy;
 	hw->mac.clear_vfta = ngbe_mac_clear_vfta_dummy;
+	hw->mac.set_vfta = ngbe_mac_set_vfta_dummy;
+	hw->mac.set_vlvf = ngbe_mac_set_vlvf_dummy;
 	hw->mac.set_mac_anti_spoofing = ngbe_mac_set_mac_anti_spoofing_dummy;
 	hw->mac.set_vlan_anti_spoofing = ngbe_mac_set_vlan_anti_spoofing_dummy;
 	hw->mac.init_thermal_sensor_thresh = ngbe_mac_init_thermal_ssth_dummy;
@@ -242,6 +276,11 @@  static inline void ngbe_init_ops_dummy(struct ngbe_hw *hw)
 	hw->phy.setup_link = ngbe_phy_setup_link_dummy;
 	hw->phy.check_link = ngbe_phy_check_link_dummy;
 	hw->mbx.init_params = ngbe_mbx_init_params_dummy;
+	hw->mbx.read = ngbe_mbx_read_dummy;
+	hw->mbx.write = ngbe_mbx_write_dummy;
+	hw->mbx.check_for_msg = ngbe_mbx_check_for_msg_dummy;
+	hw->mbx.check_for_ack = ngbe_mbx_check_for_ack_dummy;
+	hw->mbx.check_for_rst = ngbe_mbx_check_for_rst_dummy;
 }
 
 #endif /* _NGBE_TYPE_DUMMY_H_ */
diff --git a/drivers/net/ngbe/base/ngbe_hw.c b/drivers/net/ngbe/base/ngbe_hw.c
index 5a5f14b5ec..541d916479 100644
--- a/drivers/net/ngbe/base/ngbe_hw.c
+++ b/drivers/net/ngbe/base/ngbe_hw.c
@@ -914,6 +914,214 @@  s32 ngbe_init_uta_tables(struct ngbe_hw *hw)
 	return 0;
 }
 
+/**
+ *  ngbe_find_vlvf_slot - find the vlanid or the first empty slot
+ *  @hw: pointer to hardware structure
+ *  @vlan: VLAN id to write to VLAN filter
+ *  @vlvf_bypass: true to find vlanid only, false returns first empty slot if
+ *		  vlanid not found
+ *
+ *
+ *  return the VLVF index where this VLAN id should be placed
+ *
+ **/
+s32 ngbe_find_vlvf_slot(struct ngbe_hw *hw, u32 vlan, bool vlvf_bypass)
+{
+	s32 regindex, first_empty_slot;
+	u32 bits;
+
+	/* short cut the special case */
+	if (vlan == 0)
+		return 0;
+
+	/* if vlvf_bypass is set we don't want to use an empty slot, we
+	 * will simply bypass the VLVF if there are no entries present in the
+	 * VLVF that contain our VLAN
+	 */
+	first_empty_slot = vlvf_bypass ? NGBE_ERR_NO_SPACE : 0;
+
+	/* add VLAN enable bit for comparison */
+	vlan |= NGBE_PSRVLAN_EA;
+
+	/* Search for the vlan id in the VLVF entries. Save off the first empty
+	 * slot found along the way.
+	 *
+	 * pre-decrement loop covering (NGBE_NUM_POOL - 1) .. 1
+	 */
+	for (regindex = NGBE_NUM_POOL; --regindex;) {
+		wr32(hw, NGBE_PSRVLANIDX, regindex);
+		bits = rd32(hw, NGBE_PSRVLAN);
+		if (bits == vlan)
+			return regindex;
+		if (!first_empty_slot && !bits)
+			first_empty_slot = regindex;
+	}
+
+	/* If we are here then we didn't find the VLAN.  Return first empty
+	 * slot we found during our search, else error.
+	 */
+	if (!first_empty_slot)
+		DEBUGOUT("No space in VLVF.\n");
+
+	return first_empty_slot ? first_empty_slot : NGBE_ERR_NO_SPACE;
+}
+
+/**
+ *  ngbe_set_vfta - Set VLAN filter table
+ *  @hw: pointer to hardware structure
+ *  @vlan: VLAN id to write to VLAN filter
+ *  @vind: VMDq output index that maps queue to VLAN id in VLVFB
+ *  @vlan_on: boolean flag to turn on/off VLAN
+ *  @vlvf_bypass: boolean flag indicating updating default pool is okay
+ *
+ *  Turn on/off specified VLAN in the VLAN filter table.
+ **/
+s32 ngbe_set_vfta(struct ngbe_hw *hw, u32 vlan, u32 vind,
+			   bool vlan_on, bool vlvf_bypass)
+{
+	u32 regidx, vfta_delta, vfta;
+	s32 err;
+
+	DEBUGFUNC("ngbe_set_vfta");
+
+	if (vlan > 4095 || vind > 63)
+		return NGBE_ERR_PARAM;
+
+	/*
+	 * this is a 2 part operation - first the VFTA, then the
+	 * VLVF and VLVFB if VT Mode is set
+	 * We don't write the VFTA until we know the VLVF part succeeded.
+	 */
+
+	/* Part 1
+	 * The VFTA is a bitstring made up of 128 32-bit registers
+	 * that enable the particular VLAN id, much like the MTA:
+	 *    bits[11-5]: which register
+	 *    bits[4-0]:  which bit in the register
+	 */
+	regidx = vlan / 32;
+	vfta_delta = 1 << (vlan % 32);
+	vfta = rd32(hw, NGBE_VLANTBL(regidx));
+
+	/*
+	 * vfta_delta represents the difference between the current value
+	 * of vfta and the value we want in the register.  Since the diff
+	 * is an XOR mask we can just update the vfta using an XOR
+	 */
+	vfta_delta &= vlan_on ? ~vfta : vfta;
+	vfta ^= vfta_delta;
+
+	/* Part 2
+	 * Call ngbe_set_vlvf to set VLVFB and VLVF
+	 */
+	err = ngbe_set_vlvf(hw, vlan, vind, vlan_on, &vfta_delta,
+					 vfta, vlvf_bypass);
+	if (err != 0) {
+		if (vlvf_bypass)
+			goto vfta_update;
+		return err;
+	}
+
+vfta_update:
+	/* Update VFTA now that we are ready for traffic */
+	if (vfta_delta)
+		wr32(hw, NGBE_VLANTBL(regidx), vfta);
+
+	return 0;
+}
+
+/**
+ *  ngbe_set_vlvf - Set VLAN Pool Filter
+ *  @hw: pointer to hardware structure
+ *  @vlan: VLAN id to write to VLAN filter
+ *  @vind: VMDq output index that maps queue to VLAN id in PSRVLANPLM
+ *  @vlan_on: boolean flag to turn on/off VLAN in PSRVLAN
+ *  @vfta_delta: pointer to the difference between the current value
+ *		 of PSRVLANPLM and the desired value
+ *  @vfta: the desired value of the VFTA
+ *  @vlvf_bypass: boolean flag indicating updating default pool is okay
+ *
+ *  Turn on/off specified bit in VLVF table.
+ **/
+s32 ngbe_set_vlvf(struct ngbe_hw *hw, u32 vlan, u32 vind,
+			   bool vlan_on, u32 *vfta_delta, u32 vfta,
+			   bool vlvf_bypass)
+{
+	u32 bits;
+	u32 portctl;
+	s32 vlvf_index;
+
+	DEBUGFUNC("ngbe_set_vlvf");
+
+	if (vlan > 4095 || vind > 63)
+		return NGBE_ERR_PARAM;
+
+	/* If VT Mode is set
+	 *   Either vlan_on
+	 *     make sure the vlan is in PSRVLAN
+	 *     set the vind bit in the matching PSRVLANPLM
+	 *   Or !vlan_on
+	 *     clear the pool bit and possibly the vind
+	 */
+	portctl = rd32(hw, NGBE_PORTCTL);
+	if (!(portctl & NGBE_PORTCTL_NUMVT_MASK))
+		return 0;
+
+	vlvf_index = ngbe_find_vlvf_slot(hw, vlan, vlvf_bypass);
+	if (vlvf_index < 0)
+		return vlvf_index;
+
+	wr32(hw, NGBE_PSRVLANIDX, vlvf_index);
+	bits = rd32(hw, NGBE_PSRVLANPLM(vind / 32));
+
+	/* set the pool bit */
+	bits |= 1 << (vind % 32);
+	if (vlan_on)
+		goto vlvf_update;
+
+	/* clear the pool bit */
+	bits ^= 1 << (vind % 32);
+
+	if (!bits &&
+	    !rd32(hw, NGBE_PSRVLANPLM(vind / 32))) {
+		/* Clear PSRVLANPLM first, then disable PSRVLAN. Otherwise
+		 * we run the risk of stray packets leaking into
+		 * the PF via the default pool
+		 */
+		if (*vfta_delta)
+			wr32(hw, NGBE_PSRVLANPLM(vlan / 32), vfta);
+
+		/* disable VLVF and clear remaining bit from pool */
+		wr32(hw, NGBE_PSRVLAN, 0);
+		wr32(hw, NGBE_PSRVLANPLM(vind / 32), 0);
+
+		return 0;
+	}
+
+	/* If there are still bits set in the PSRVLANPLM registers
+	 * for the VLAN ID indicated we need to see if the
+	 * caller is requesting that we clear the PSRVLANPLM entry bit.
+	 * If the caller has requested that we clear the PSRVLANPLM
+	 * entry bit but there are still pools/VFs using this VLAN
+	 * ID entry then ignore the request.  We're not worried
+	 * about the case where we're turning the PSRVLANPLM VLAN ID
+	 * entry bit on, only when requested to turn it off as
+	 * there may be multiple pools and/or VFs using the
+	 * VLAN ID entry.  In that case we cannot clear the
+	 * PSRVLANPLM bit until all pools/VFs using that VLAN ID have also
+	 * been cleared.  This will be indicated by "bits" being
+	 * zero.
+	 */
+	*vfta_delta = 0;
+
+vlvf_update:
+	/* record pool change and enable VLAN ID if not already enabled */
+	wr32(hw, NGBE_PSRVLANPLM(vind / 32), bits);
+	wr32(hw, NGBE_PSRVLAN, NGBE_PSRVLAN_EA | vlan);
+
+	return 0;
+}
+
 /**
  *  ngbe_clear_vfta - Clear VLAN filter table
  *  @hw: pointer to hardware structure
@@ -1298,6 +1506,7 @@  s32 ngbe_init_ops_pf(struct ngbe_hw *hw)
 
 	mac->disable_sec_rx_path = ngbe_disable_sec_rx_path;
 	mac->enable_sec_rx_path = ngbe_enable_sec_rx_path;
+
 	/* RAR, VLAN, Multicast */
 	mac->set_rar = ngbe_set_rar;
 	mac->clear_rar = ngbe_clear_rar;
@@ -1305,6 +1514,8 @@  s32 ngbe_init_ops_pf(struct ngbe_hw *hw)
 	mac->update_mc_addr_list = ngbe_update_mc_addr_list;
 	mac->set_vmdq = ngbe_set_vmdq;
 	mac->clear_vmdq = ngbe_clear_vmdq;
+	mac->set_vfta = ngbe_set_vfta;
+	mac->set_vlvf = ngbe_set_vlvf;
 	mac->clear_vfta = ngbe_clear_vfta;
 	mac->set_mac_anti_spoofing = ngbe_set_mac_anti_spoofing;
 	mac->set_vlan_anti_spoofing = ngbe_set_vlan_anti_spoofing;
@@ -1319,6 +1530,11 @@  s32 ngbe_init_ops_pf(struct ngbe_hw *hw)
 	mac->check_overtemp = ngbe_mac_check_overtemp;
 
 	mbx->init_params = ngbe_init_mbx_params_pf;
+	mbx->read = ngbe_read_mbx_pf;
+	mbx->write = ngbe_write_mbx_pf;
+	mbx->check_for_msg = ngbe_check_for_msg_pf;
+	mbx->check_for_ack = ngbe_check_for_ack_pf;
+	mbx->check_for_rst = ngbe_check_for_rst_pf;
 
 	/* EEPROM */
 	rom->init_params = ngbe_init_eeprom_params;
diff --git a/drivers/net/ngbe/base/ngbe_hw.h b/drivers/net/ngbe/base/ngbe_hw.h
index a7cb12d437..83ad646dde 100644
--- a/drivers/net/ngbe/base/ngbe_hw.h
+++ b/drivers/net/ngbe/base/ngbe_hw.h
@@ -49,7 +49,13 @@  void ngbe_release_swfw_sync(struct ngbe_hw *hw, u32 mask);
 s32 ngbe_set_vmdq(struct ngbe_hw *hw, u32 rar, u32 vmdq);
 s32 ngbe_clear_vmdq(struct ngbe_hw *hw, u32 rar, u32 vmdq);
 s32 ngbe_init_uta_tables(struct ngbe_hw *hw);
+s32 ngbe_set_vfta(struct ngbe_hw *hw, u32 vlan,
+			 u32 vind, bool vlan_on, bool vlvf_bypass);
+s32 ngbe_set_vlvf(struct ngbe_hw *hw, u32 vlan, u32 vind,
+			   bool vlan_on, u32 *vfta_delta, u32 vfta,
+			   bool vlvf_bypass);
 s32 ngbe_clear_vfta(struct ngbe_hw *hw);
+s32 ngbe_find_vlvf_slot(struct ngbe_hw *hw, u32 vlan, bool vlvf_bypass);
 
 void ngbe_set_mac_anti_spoofing(struct ngbe_hw *hw, bool enable, int vf);
 void ngbe_set_vlan_anti_spoofing(struct ngbe_hw *hw, bool enable, int vf);
diff --git a/drivers/net/ngbe/base/ngbe_mbx.c b/drivers/net/ngbe/base/ngbe_mbx.c
index 1ac9531ceb..764ae81319 100644
--- a/drivers/net/ngbe/base/ngbe_mbx.c
+++ b/drivers/net/ngbe/base/ngbe_mbx.c
@@ -7,6 +7,303 @@ 
 
 #include "ngbe_mbx.h"
 
+/**
+ *  ngbe_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 ngbe_read_mbx(struct ngbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct ngbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = NGBE_ERR_MBX;
+
+	DEBUGFUNC("ngbe_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;
+}
+
+/**
+ *  ngbe_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 ngbe_write_mbx(struct ngbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct ngbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = 0;
+
+	DEBUGFUNC("ngbe_write_mbx");
+
+	if (size > mbx->size) {
+		ret_val = NGBE_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;
+}
+
+/**
+ *  ngbe_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 ngbe_check_for_msg(struct ngbe_hw *hw, u16 mbx_id)
+{
+	struct ngbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = NGBE_ERR_MBX;
+
+	DEBUGFUNC("ngbe_check_for_msg");
+
+	if (mbx->check_for_msg)
+		ret_val = mbx->check_for_msg(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  ngbe_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 ngbe_check_for_ack(struct ngbe_hw *hw, u16 mbx_id)
+{
+	struct ngbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = NGBE_ERR_MBX;
+
+	DEBUGFUNC("ngbe_check_for_ack");
+
+	if (mbx->check_for_ack)
+		ret_val = mbx->check_for_ack(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  ngbe_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 ngbe_check_for_rst(struct ngbe_hw *hw, u16 mbx_id)
+{
+	struct ngbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = NGBE_ERR_MBX;
+
+	DEBUGFUNC("ngbe_check_for_rst");
+
+	if (mbx->check_for_rst)
+		ret_val = mbx->check_for_rst(hw, mbx_id);
+
+	return ret_val;
+}
+
+STATIC s32 ngbe_check_for_bit_pf(struct ngbe_hw *hw, u32 mask)
+{
+	u32 mbvficr = rd32(hw, NGBE_MBVFICR);
+	s32 ret_val = NGBE_ERR_MBX;
+
+	if (mbvficr & mask) {
+		ret_val = 0;
+		wr32(hw, NGBE_MBVFICR, mask);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  ngbe_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 ngbe_check_for_msg_pf(struct ngbe_hw *hw, u16 vf_number)
+{
+	s32 ret_val = NGBE_ERR_MBX;
+	u32 vf_bit = vf_number;
+
+	DEBUGFUNC("ngbe_check_for_msg_pf");
+
+	if (!ngbe_check_for_bit_pf(hw, NGBE_MBVFICR_VFREQ_VF1 << vf_bit)) {
+		ret_val = 0;
+		hw->mbx.stats.reqs++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  ngbe_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 ngbe_check_for_ack_pf(struct ngbe_hw *hw, u16 vf_number)
+{
+	s32 ret_val = NGBE_ERR_MBX;
+	u32 vf_bit = vf_number;
+
+	DEBUGFUNC("ngbe_check_for_ack_pf");
+
+	if (!ngbe_check_for_bit_pf(hw, NGBE_MBVFICR_VFACK_VF1 << vf_bit)) {
+		ret_val = 0;
+		hw->mbx.stats.acks++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  ngbe_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 ngbe_check_for_rst_pf(struct ngbe_hw *hw, u16 vf_number)
+{
+	u32 vflre = 0;
+	s32 ret_val = NGBE_ERR_MBX;
+
+	DEBUGFUNC("ngbe_check_for_rst_pf");
+
+	vflre = rd32(hw, NGBE_FLRVFE);
+	if (vflre & (1 << vf_number)) {
+		ret_val = 0;
+		wr32(hw, NGBE_FLRVFEC, (1 << vf_number));
+		hw->mbx.stats.rsts++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  ngbe_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 ngbe_obtain_mbx_lock_pf(struct ngbe_hw *hw, u16 vf_number)
+{
+	s32 ret_val = NGBE_ERR_MBX;
+	u32 p2v_mailbox;
+
+	DEBUGFUNC("ngbe_obtain_mbx_lock_pf");
+
+	/* Take ownership of the buffer */
+	wr32(hw, NGBE_MBCTL(vf_number), NGBE_MBCTL_PFU);
+
+	/* reserve mailbox for vf use */
+	p2v_mailbox = rd32(hw, NGBE_MBCTL(vf_number));
+	if (p2v_mailbox & NGBE_MBCTL_PFU)
+		ret_val = 0;
+	else
+		DEBUGOUT("Failed to obtain mailbox lock for VF%d", vf_number);
+
+
+	return ret_val;
+}
+
+/**
+ *  ngbe_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 ngbe_write_mbx_pf(struct ngbe_hw *hw, u32 *msg, u16 size, u16 vf_number)
+{
+	s32 ret_val;
+	u16 i;
+
+	DEBUGFUNC("ngbe_write_mbx_pf");
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = ngbe_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 */
+	ngbe_check_for_msg_pf(hw, vf_number);
+	ngbe_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, NGBE_MBMEM(vf_number), i, msg[i]);
+
+	/* Interrupt VF to tell it a message has been sent and release buffer*/
+	wr32(hw, NGBE_MBCTL(vf_number), NGBE_MBCTL_STS);
+
+	/* update stats */
+	hw->mbx.stats.msgs_tx++;
+
+out_no_write:
+	return ret_val;
+}
+
+/**
+ *  ngbe_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 ngbe_read_mbx_pf(struct ngbe_hw *hw, u32 *msg, u16 size, u16 vf_number)
+{
+	s32 ret_val;
+	u16 i;
+
+	DEBUGFUNC("ngbe_read_mbx_pf");
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = ngbe_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, NGBE_MBMEM(vf_number), i);
+
+	/* Acknowledge the message and release buffer */
+	wr32(hw, NGBE_MBCTL(vf_number), NGBE_MBCTL_ACK);
+
+	/* update stats */
+	hw->mbx.stats.msgs_rx++;
+
+out_no_read:
+	return ret_val;
+}
+
 /**
  *  ngbe_init_mbx_params_pf - set initial values for pf mailbox
  *  @hw: pointer to the HW structure
diff --git a/drivers/net/ngbe/base/ngbe_mbx.h b/drivers/net/ngbe/base/ngbe_mbx.h
index d280945baf..d47da2718c 100644
--- a/drivers/net/ngbe/base/ngbe_mbx.h
+++ b/drivers/net/ngbe/base/ngbe_mbx.h
@@ -6,6 +6,84 @@ 
 #ifndef _NGBE_MBX_H_
 #define _NGBE_MBX_H_
 
+#define NGBE_ERR_MBX		-100
+
+/* If it's a NGBE_VF_* msg then it originates in the VF and is sent to the
+ * PF.  The reverse is true if it is NGBE_PF_*.
+ * Message ACK's are the value or'd with 0xF0000000
+ */
+/* Messages below or'd with this are the ACK */
+#define NGBE_VT_MSGTYPE_ACK	0x80000000
+/* Messages below or'd with this are the NACK */
+#define NGBE_VT_MSGTYPE_NACK	0x40000000
+/* Indicates that VF is still clear to send requests */
+#define NGBE_VT_MSGTYPE_CTS	0x20000000
+
+#define NGBE_VT_MSGINFO_SHIFT	16
+/* bits 23:16 are used for extra info for certain messages */
+#define NGBE_VT_MSGINFO_MASK	(0xFF << NGBE_VT_MSGINFO_SHIFT)
+
+/*
+ * each element denotes a version of the API; existing numbers may not
+ * change; any additions must go at the end
+ */
+enum ngbe_pfvf_api_rev {
+	ngbe_mbox_api_null,
+	ngbe_mbox_api_10,	/* API version 1.0, linux/freebsd VF driver */
+	ngbe_mbox_api_11,	/* API version 1.1, linux/freebsd VF driver */
+	ngbe_mbox_api_12,	/* API version 1.2, linux/freebsd VF driver */
+	ngbe_mbox_api_13,	/* API version 1.3, linux/freebsd VF driver */
+	ngbe_mbox_api_20,	/* API version 2.0, solaris Phase1 VF driver */
+	/* This value should always be last */
+	ngbe_mbox_api_unknown,	/* indicates that API version is not known */
+};
+
+/* mailbox API, legacy requests */
+#define NGBE_VF_RESET		0x01 /* VF requests reset */
+#define NGBE_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
+#define NGBE_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
+#define NGBE_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
+
+/* mailbox API, version 1.0 VF requests */
+#define NGBE_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
+#define NGBE_VF_SET_MACVLAN	0x06 /* VF requests PF for unicast filter */
+#define NGBE_VF_API_NEGOTIATE	0x08 /* negotiate API version */
+
+/* mailbox API, version 1.1 VF requests */
+#define NGBE_VF_GET_QUEUES	0x09 /* get queue configuration */
+
+/* mailbox API, version 1.2 VF requests */
+#define NGBE_VF_GET_RETA      0x0a    /* VF request for RETA */
+#define NGBE_VF_GET_RSS_KEY	0x0b    /* get RSS key */
+#define NGBE_VF_UPDATE_XCAST_MODE	0x0c
+
+/* mode choices for NGBE_VF_UPDATE_XCAST_MODE */
+enum ngbevf_xcast_modes {
+	NGBEVF_XCAST_MODE_NONE = 0,
+	NGBEVF_XCAST_MODE_MULTI,
+	NGBEVF_XCAST_MODE_ALLMULTI,
+	NGBEVF_XCAST_MODE_PROMISC,
+};
+
+/* GET_QUEUES return data indices within the mailbox */
+#define NGBE_VF_TX_QUEUES	1	/* number of Tx queues supported */
+#define NGBE_VF_RX_QUEUES	2	/* number of Rx queues supported */
+#define NGBE_VF_TRANS_VLAN	3	/* Indication of port vlan */
+#define NGBE_VF_DEF_QUEUE	4	/* Default queue offset */
+
+/* length of permanent address message returned from PF */
+#define NGBE_VF_PERMADDR_MSG_LEN	4
+s32 ngbe_read_mbx(struct ngbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
+s32 ngbe_write_mbx(struct ngbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
+s32 ngbe_check_for_msg(struct ngbe_hw *hw, u16 mbx_id);
+s32 ngbe_check_for_ack(struct ngbe_hw *hw, u16 mbx_id);
+s32 ngbe_check_for_rst(struct ngbe_hw *hw, u16 mbx_id);
 void ngbe_init_mbx_params_pf(struct ngbe_hw *hw);
 
+s32 ngbe_read_mbx_pf(struct ngbe_hw *hw, u32 *msg, u16 size, u16 vf_number);
+s32 ngbe_write_mbx_pf(struct ngbe_hw *hw, u32 *msg, u16 size, u16 vf_number);
+s32 ngbe_check_for_msg_pf(struct ngbe_hw *hw, u16 vf_number);
+s32 ngbe_check_for_ack_pf(struct ngbe_hw *hw, u16 vf_number);
+s32 ngbe_check_for_rst_pf(struct ngbe_hw *hw, u16 vf_number);
+
 #endif /* _NGBE_MBX_H_ */
diff --git a/drivers/net/ngbe/base/ngbe_type.h b/drivers/net/ngbe/base/ngbe_type.h
index bc95fcf609..7a85f82abd 100644
--- a/drivers/net/ngbe/base/ngbe_type.h
+++ b/drivers/net/ngbe/base/ngbe_type.h
@@ -254,6 +254,11 @@  struct ngbe_mac_info {
 				      u32 mc_addr_count,
 				      ngbe_mc_addr_itr func, bool clear);
 	s32 (*clear_vfta)(struct ngbe_hw *hw);
+	s32 (*set_vfta)(struct ngbe_hw *hw, u32 vlan,
+			 u32 vind, bool vlan_on, bool vlvf_bypass);
+	s32 (*set_vlvf)(struct ngbe_hw *hw, u32 vlan, u32 vind,
+			   bool vlan_on, u32 *vfta_delta, u32 vfta,
+			   bool vlvf_bypass);
 	void (*set_mac_anti_spoofing)(struct ngbe_hw *hw, bool enable, int vf);
 	void (*set_vlan_anti_spoofing)(struct ngbe_hw *hw,
 					bool enable, int vf);
@@ -319,6 +324,11 @@  struct ngbe_mbx_stats {
 
 struct ngbe_mbx_info {
 	void (*init_params)(struct ngbe_hw *hw);
+	s32  (*read)(struct ngbe_hw *hw, u32 *msg, u16 size, u16 vf_number);
+	s32  (*write)(struct ngbe_hw *hw, u32 *msg, u16 size, u16 vf_number);
+	s32  (*check_for_msg)(struct ngbe_hw *hw, u16 mbx_id);
+	s32  (*check_for_ack)(struct ngbe_hw *hw, u16 mbx_id);
+	s32  (*check_for_rst)(struct ngbe_hw *hw, u16 mbx_id);
 
 	struct ngbe_mbx_stats stats;
 	u32 timeout;
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index a93b220ba6..01a643fc9a 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -2072,6 +2072,11 @@  ngbe_dev_interrupt_action(struct rte_eth_dev *dev)
 
 	PMD_DRV_LOG(DEBUG, "intr action type %d", intr->flags);
 
+	if (intr->flags & NGBE_FLAG_MAILBOX) {
+		ngbe_pf_mbx_process(dev);
+		intr->flags &= ~NGBE_FLAG_MAILBOX;
+	}
+
 	if (intr->flags & NGBE_FLAG_NEED_LINK_UPDATE) {
 		struct rte_eth_link link;
 
@@ -2132,6 +2137,8 @@  ngbe_dev_interrupt_delayed_handler(void *param)
 	ngbe_disable_intr(hw);
 
 	eicr = ((u32 *)hw->isb_mem)[NGBE_ISB_MISC];
+	if (eicr & NGBE_ICRMISC_VFMBX)
+		ngbe_pf_mbx_process(dev);
 
 	if (intr->flags & NGBE_FLAG_NEED_LINK_UPDATE) {
 		ngbe_dev_link_update(dev, 0);
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index 840a7021ba..51a726a140 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -73,6 +73,31 @@  struct ngbe_hwstrip {
 	uint32_t bitmap[NGBE_HWSTRIP_BITMAP_SIZE];
 };
 
+/**
+ * Response sent back to ngbe driver from user app after callback
+ */
+enum ngbe_mb_event_rsp {
+	NGBE_MB_EVENT_NOOP_ACK,  /**< skip mbox request and ACK */
+	NGBE_MB_EVENT_NOOP_NACK, /**< skip mbox request and NACK */
+	NGBE_MB_EVENT_PROCEED,  /**< proceed with mbox request  */
+	NGBE_MB_EVENT_MAX       /**< max value of this enum */
+};
+
+/**
+ * Data sent to the user application when the callback is executed.
+ */
+struct ngbe_mb_event_param {
+	uint16_t vfid;     /**< Virtual Function number */
+	uint16_t msg_type; /**< VF to PF message type, defined in ngbe_mbx.h */
+	uint16_t retval;   /**< return value */
+	void *msg;         /**< pointer to message */
+};
+
+/*
+ * VF data which used by PF host only
+ */
+#define NGBE_MAX_VF_MC_ENTRIES      30
+
 struct ngbe_uta_info {
 	uint8_t  uc_filter_type;
 	uint16_t uta_in_use;
@@ -81,8 +106,14 @@  struct ngbe_uta_info {
 
 struct ngbe_vf_info {
 	uint8_t vf_mac_addresses[RTE_ETHER_ADDR_LEN];
+	uint16_t vf_mc_hashes[NGBE_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;
 };
 
 /*
@@ -241,6 +272,8 @@  int ngbe_pf_host_init(struct rte_eth_dev *eth_dev);
 
 void ngbe_pf_host_uninit(struct rte_eth_dev *eth_dev);
 
+void ngbe_pf_mbx_process(struct rte_eth_dev *eth_dev);
+
 int ngbe_pf_host_configure(struct rte_eth_dev *eth_dev);
 
 #define NGBE_LINK_DOWN_CHECK_TIMEOUT 4000 /* ms */
diff --git a/drivers/net/ngbe/ngbe_pf.c b/drivers/net/ngbe/ngbe_pf.c
index 2f9dfc4284..db47a1c69c 100644
--- a/drivers/net/ngbe/ngbe_pf.c
+++ b/drivers/net/ngbe/ngbe_pf.c
@@ -12,6 +12,8 @@ 
 #include "ngbe_ethdev.h"
 
 #define NGBE_MAX_VFTA     (128)
+#define NGBE_VF_MSG_SIZE_DEFAULT 1
+#define NGBE_VF_GET_QUEUE_MSG_SIZE 5
 
 static inline uint16_t
 dev_num_vf(struct rte_eth_dev *eth_dev)
@@ -39,6 +41,16 @@  int ngbe_vf_perm_addr_gen(struct rte_eth_dev *dev, uint16_t vf_num)
 	return 0;
 }
 
+static inline int
+ngbe_mb_intr_setup(struct rte_eth_dev *dev)
+{
+	struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
+
+	intr->mask_misc |= NGBE_ICRMISC_VFMBX;
+
+	return 0;
+}
+
 int ngbe_pf_host_init(struct rte_eth_dev *eth_dev)
 {
 	struct ngbe_vf_info **vfinfo = NGBE_DEV_VFDATA(eth_dev);
@@ -85,6 +97,9 @@  int ngbe_pf_host_init(struct rte_eth_dev *eth_dev)
 	/* init_mailbox_params */
 	hw->mbx.init_params(hw);
 
+	/* set mb interrupt mask */
+	ngbe_mb_intr_setup(eth_dev);
+
 	return ret;
 }
 
@@ -194,3 +209,551 @@  int ngbe_pf_host_configure(struct rte_eth_dev *eth_dev)
 	return 0;
 }
 
+static void
+ngbe_set_rx_mode(struct rte_eth_dev *eth_dev)
+{
+	struct rte_eth_dev_data *dev_data = eth_dev->data;
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	u32 fctrl, vmolr;
+	uint16_t vfn = dev_num_vf(eth_dev);
+
+	/* disable store-bad-packets */
+	wr32m(hw, NGBE_SECRXCTL, NGBE_SECRXCTL_SAVEBAD, 0);
+
+	/* Check for Promiscuous and All Multicast modes */
+	fctrl = rd32m(hw, NGBE_PSRCTL,
+			~(NGBE_PSRCTL_UCP | NGBE_PSRCTL_MCP));
+	fctrl |= NGBE_PSRCTL_BCA |
+		 NGBE_PSRCTL_MCHFENA;
+
+	vmolr = rd32m(hw, NGBE_POOLETHCTL(vfn),
+			~(NGBE_POOLETHCTL_UCP |
+			  NGBE_POOLETHCTL_MCP |
+			  NGBE_POOLETHCTL_UCHA |
+			  NGBE_POOLETHCTL_MCHA));
+	vmolr |= NGBE_POOLETHCTL_BCA |
+		 NGBE_POOLETHCTL_UTA |
+		 NGBE_POOLETHCTL_VLA;
+
+	if (dev_data->promiscuous) {
+		fctrl |= NGBE_PSRCTL_UCP |
+			 NGBE_PSRCTL_MCP;
+		/* pf don't want packets routing to vf, so clear UPE */
+		vmolr |= NGBE_POOLETHCTL_MCP;
+	} else if (dev_data->all_multicast) {
+		fctrl |= NGBE_PSRCTL_MCP;
+		vmolr |= NGBE_POOLETHCTL_MCP;
+	} else {
+		vmolr |= NGBE_POOLETHCTL_UCHA;
+		vmolr |= NGBE_POOLETHCTL_MCHA;
+	}
+
+	wr32(hw, NGBE_POOLETHCTL(vfn), vmolr);
+
+	wr32(hw, NGBE_PSRCTL, fctrl);
+
+	ngbe_vlan_hw_strip_config(eth_dev);
+}
+
+static inline void
+ngbe_vf_reset_event(struct rte_eth_dev *eth_dev, uint16_t vf)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	struct ngbe_vf_info *vfinfo = *(NGBE_DEV_VFDATA(eth_dev));
+	int rar_entry = hw->mac.num_rar_entries - (vf + 1);
+	uint32_t vmolr = rd32(hw, NGBE_POOLETHCTL(vf));
+
+	vmolr |= (NGBE_POOLETHCTL_UCHA |
+			NGBE_POOLETHCTL_BCA | NGBE_POOLETHCTL_UTA);
+	wr32(hw, NGBE_POOLETHCTL(vf), vmolr);
+
+	wr32(hw, NGBE_POOLTAG(vf), 0);
+
+	/* reset multicast table array for vf */
+	vfinfo[vf].num_vf_mc_hashes = 0;
+
+	/* reset rx mode */
+	ngbe_set_rx_mode(eth_dev);
+
+	hw->mac.clear_rar(hw, rar_entry);
+}
+
+static inline void
+ngbe_vf_reset_msg(struct rte_eth_dev *eth_dev, uint16_t vf)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	uint32_t reg;
+	uint32_t 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;
+
+	/* enable transmit for vf */
+	reg = rd32(hw, NGBE_POOLTXENA(0));
+	reg |= (1 << vf_shift);
+	wr32(hw, NGBE_POOLTXENA(0), 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++) {
+		ngbe_flush(hw);
+		reg = 1 << (i % 32);
+		wr32m(hw, NGBE_QPRXDROP, reg, reg);
+	}
+
+	/* enable receive for vf */
+	reg = rd32(hw, NGBE_POOLRXENA(0));
+	reg |= (reg | (1 << vf_shift));
+	wr32(hw, NGBE_POOLRXENA(0), reg);
+
+	ngbe_vf_reset_event(eth_dev, vf);
+}
+
+static int
+ngbe_disable_vf_mc_promisc(struct rte_eth_dev *eth_dev, uint32_t vf)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	uint32_t vmolr;
+
+	vmolr = rd32(hw, NGBE_POOLETHCTL(vf));
+
+	PMD_DRV_LOG(INFO, "VF %u: disabling multicast promiscuous\n", vf);
+
+	vmolr &= ~NGBE_POOLETHCTL_MCP;
+
+	wr32(hw, NGBE_POOLETHCTL(vf), vmolr);
+
+	return 0;
+}
+
+static int
+ngbe_vf_reset(struct rte_eth_dev *eth_dev, uint16_t vf, uint32_t *msgbuf)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	struct ngbe_vf_info *vfinfo = *(NGBE_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]);
+
+	ngbe_vf_reset_msg(eth_dev, vf);
+
+	hw->mac.set_rar(hw, rar_entry, vf_mac, vf, true);
+
+	/* Disable multicast promiscuous at reset */
+	ngbe_disable_vf_mc_promisc(eth_dev, vf);
+
+	/* reply to reset with ack and vf mac address */
+	msgbuf[0] = NGBE_VF_RESET | NGBE_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;
+	ngbe_write_mbx(hw, msgbuf, NGBE_VF_PERMADDR_MSG_LEN, vf);
+
+	return 0;
+}
+
+static int
+ngbe_vf_set_mac_addr(struct rte_eth_dev *eth_dev,
+		uint32_t vf, uint32_t *msgbuf)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	struct ngbe_vf_info *vfinfo = *(NGBE_DEV_VFDATA(eth_dev));
+	int rar_entry = hw->mac.num_rar_entries - (vf + 1);
+	uint8_t *new_mac = (uint8_t *)(&msgbuf[1]);
+	struct rte_ether_addr *ea = (struct rte_ether_addr *)new_mac;
+
+	if (rte_is_valid_assigned_ether_addr(ea)) {
+		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
+ngbe_vf_set_multicast(struct rte_eth_dev *eth_dev,
+		uint32_t vf, uint32_t *msgbuf)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	struct ngbe_vf_info *vfinfo = *(NGBE_DEV_VFDATA(eth_dev));
+	int nb_entries = (msgbuf[0] & NGBE_VT_MSGINFO_MASK) >>
+		NGBE_VT_MSGINFO_SHIFT;
+	uint16_t *hash_list = (uint16_t *)&msgbuf[1];
+	uint32_t mta_idx;
+	uint32_t mta_shift;
+	const uint32_t NGBE_MTA_INDEX_MASK = 0x7F;
+	const uint32_t NGBE_MTA_BIT_SHIFT = 5;
+	const uint32_t NGBE_MTA_BIT_MASK = (0x1 << NGBE_MTA_BIT_SHIFT) - 1;
+	uint32_t reg_val;
+	int i;
+	u32 vmolr = rd32(hw, NGBE_POOLETHCTL(vf));
+
+	/* Disable multicast promiscuous first */
+	ngbe_disable_vf_mc_promisc(eth_dev, vf);
+
+	/* only so many hash values supported */
+	nb_entries = RTE_MIN(nb_entries, NGBE_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 &= ~NGBE_POOLETHCTL_MCHA;
+		wr32(hw, NGBE_POOLETHCTL(vf), vmolr);
+		return 0;
+	}
+
+	for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
+		mta_idx = (vfinfo->vf_mc_hashes[i] >> NGBE_MTA_BIT_SHIFT)
+				& NGBE_MTA_INDEX_MASK;
+		mta_shift = vfinfo->vf_mc_hashes[i] & NGBE_MTA_BIT_MASK;
+		reg_val = rd32(hw, NGBE_MCADDRTBL(mta_idx));
+		reg_val |= (1 << mta_shift);
+		wr32(hw, NGBE_MCADDRTBL(mta_idx), reg_val);
+	}
+
+	vmolr |= NGBE_POOLETHCTL_MCHA;
+	wr32(hw, NGBE_POOLETHCTL(vf), vmolr);
+
+	return 0;
+}
+
+static int
+ngbe_vf_set_vlan(struct rte_eth_dev *eth_dev, uint32_t vf, uint32_t *msgbuf)
+{
+	int add, vid;
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	struct ngbe_vf_info *vfinfo = *(NGBE_DEV_VFDATA(eth_dev));
+
+	add = (msgbuf[0] & NGBE_VT_MSGINFO_MASK)
+		>> NGBE_VT_MSGINFO_SHIFT;
+	vid = NGBE_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
+ngbe_set_vf_lpe(struct rte_eth_dev *eth_dev,
+		__rte_unused uint32_t vf, uint32_t *msgbuf)
+{
+	struct ngbe_hw *hw = ngbe_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, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK);
+	if (max_frs < max_frame) {
+		wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
+			NGBE_FRMSZ_MAX(max_frame));
+	}
+
+	return 0;
+}
+
+static int
+ngbe_negotiate_vf_api(struct rte_eth_dev *eth_dev,
+		uint32_t vf, uint32_t *msgbuf)
+{
+	uint32_t api_version = msgbuf[1];
+	struct ngbe_vf_info *vfinfo = *NGBE_DEV_VFDATA(eth_dev);
+
+	switch (api_version) {
+	case ngbe_mbox_api_10:
+	case ngbe_mbox_api_11:
+	case ngbe_mbox_api_12:
+	case ngbe_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
+ngbe_get_vf_queues(struct rte_eth_dev *eth_dev, uint32_t vf, uint32_t *msgbuf)
+{
+	struct ngbe_vf_info *vfinfo = *NGBE_DEV_VFDATA(eth_dev);
+	uint32_t default_q = 0;
+
+	/* Verify if the PF supports the mbox APIs version or not */
+	switch (vfinfo[vf].api_version) {
+	case ngbe_mbox_api_20:
+	case ngbe_mbox_api_11:
+	case ngbe_mbox_api_12:
+	case ngbe_mbox_api_13:
+		break;
+	default:
+		return -1;
+	}
+
+	/* Notify VF of Rx and Tx queue number */
+	msgbuf[NGBE_VF_RX_QUEUES] = RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool;
+	msgbuf[NGBE_VF_TX_QUEUES] = RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool;
+
+	/* Notify VF of default queue */
+	msgbuf[NGBE_VF_DEF_QUEUE] = default_q;
+
+	msgbuf[NGBE_VF_TRANS_VLAN] = 0;
+
+	return 0;
+}
+
+static int
+ngbe_set_vf_mc_promisc(struct rte_eth_dev *eth_dev,
+		uint32_t vf, uint32_t *msgbuf)
+{
+	struct ngbe_vf_info *vfinfo = *(NGBE_DEV_VFDATA(eth_dev));
+	struct ngbe_hw *hw = ngbe_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 ngbe_mbox_api_12:
+		/* promisc introduced in 1.3 version */
+		if (xcast_mode == NGBEVF_XCAST_MODE_PROMISC)
+			return -EOPNOTSUPP;
+		break;
+		/* Fall threw */
+	case ngbe_mbox_api_13:
+		break;
+	default:
+		return -1;
+	}
+
+	if (vfinfo[vf].xcast_mode == xcast_mode)
+		goto out;
+
+	switch (xcast_mode) {
+	case NGBEVF_XCAST_MODE_NONE:
+		disable = NGBE_POOLETHCTL_BCA | NGBE_POOLETHCTL_MCHA |
+			  NGBE_POOLETHCTL_MCP | NGBE_POOLETHCTL_UCP |
+			  NGBE_POOLETHCTL_VLP;
+		enable = 0;
+		break;
+	case NGBEVF_XCAST_MODE_MULTI:
+		disable = NGBE_POOLETHCTL_MCP | NGBE_POOLETHCTL_UCP |
+			  NGBE_POOLETHCTL_VLP;
+		enable = NGBE_POOLETHCTL_BCA | NGBE_POOLETHCTL_MCHA;
+		break;
+	case NGBEVF_XCAST_MODE_ALLMULTI:
+		disable = NGBE_POOLETHCTL_UCP | NGBE_POOLETHCTL_VLP;
+		enable = NGBE_POOLETHCTL_BCA | NGBE_POOLETHCTL_MCHA |
+			 NGBE_POOLETHCTL_MCP;
+		break;
+	case NGBEVF_XCAST_MODE_PROMISC:
+		fctrl = rd32(hw, NGBE_PSRCTL);
+		if (!(fctrl & NGBE_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 = NGBE_POOLETHCTL_BCA | NGBE_POOLETHCTL_MCHA |
+			 NGBE_POOLETHCTL_MCP | NGBE_POOLETHCTL_UCP |
+			 NGBE_POOLETHCTL_VLP;
+		break;
+	default:
+		return -1;
+	}
+
+	vmolr = rd32(hw, NGBE_POOLETHCTL(vf));
+	vmolr &= ~disable;
+	vmolr |= enable;
+	wr32(hw, NGBE_POOLETHCTL(vf), vmolr);
+	vfinfo[vf].xcast_mode = xcast_mode;
+
+out:
+	msgbuf[1] = xcast_mode;
+
+	return 0;
+}
+
+static int
+ngbe_set_vf_macvlan_msg(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(dev);
+	struct ngbe_vf_info *vf_info = *(NGBE_DEV_VFDATA(dev));
+	uint8_t *new_mac = (uint8_t *)(&msgbuf[1]);
+	struct rte_ether_addr *ea = (struct rte_ether_addr *)new_mac;
+	int index = (msgbuf[0] & NGBE_VT_MSGINFO_MASK) >>
+		    NGBE_VT_MSGINFO_SHIFT;
+
+	if (index) {
+		if (!rte_is_valid_assigned_ether_addr(ea)) {
+			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
+ngbe_rcv_msg_from_vf(struct rte_eth_dev *eth_dev, uint16_t vf)
+{
+	uint16_t mbx_size = NGBE_P2VMBX_SIZE;
+	uint16_t msg_size = NGBE_VF_MSG_SIZE_DEFAULT;
+	uint32_t msgbuf[NGBE_P2VMBX_SIZE];
+	int32_t retval;
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	struct ngbe_vf_info *vfinfo = *NGBE_DEV_VFDATA(eth_dev);
+	struct ngbe_mb_event_param ret_param;
+
+	retval = ngbe_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] & (NGBE_VT_MSGTYPE_ACK | NGBE_VT_MSGTYPE_NACK))
+		return retval;
+
+	/* flush the ack before we write any messages back */
+	ngbe_flush(hw);
+
+	/**
+	 * initialise structure to send to user application
+	 * will return response from user in retval field
+	 */
+	ret_param.retval = NGBE_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] == NGBE_VF_RESET) {
+		int ret = ngbe_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_COMPAT_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 NGBE_VF_SET_MAC_ADDR:
+		if (retval == NGBE_MB_EVENT_PROCEED)
+			retval = ngbe_vf_set_mac_addr(eth_dev, vf, msgbuf);
+		break;
+	case NGBE_VF_SET_MULTICAST:
+		if (retval == NGBE_MB_EVENT_PROCEED)
+			retval = ngbe_vf_set_multicast(eth_dev, vf, msgbuf);
+		break;
+	case NGBE_VF_SET_LPE:
+		if (retval == NGBE_MB_EVENT_PROCEED)
+			retval = ngbe_set_vf_lpe(eth_dev, vf, msgbuf);
+		break;
+	case NGBE_VF_SET_VLAN:
+		if (retval == NGBE_MB_EVENT_PROCEED)
+			retval = ngbe_vf_set_vlan(eth_dev, vf, msgbuf);
+		break;
+	case NGBE_VF_API_NEGOTIATE:
+		retval = ngbe_negotiate_vf_api(eth_dev, vf, msgbuf);
+		break;
+	case NGBE_VF_GET_QUEUES:
+		retval = ngbe_get_vf_queues(eth_dev, vf, msgbuf);
+		msg_size = NGBE_VF_GET_QUEUE_MSG_SIZE;
+		break;
+	case NGBE_VF_UPDATE_XCAST_MODE:
+		if (retval == NGBE_MB_EVENT_PROCEED)
+			retval = ngbe_set_vf_mc_promisc(eth_dev, vf, msgbuf);
+		break;
+	case NGBE_VF_SET_MACVLAN:
+		if (retval == NGBE_MB_EVENT_PROCEED)
+			retval = ngbe_set_vf_macvlan_msg(eth_dev, vf, msgbuf);
+		break;
+	default:
+		PMD_DRV_LOG(DEBUG, "Unhandled Msg %8.8x", (uint32_t)msgbuf[0]);
+		retval = NGBE_ERR_MBX;
+		break;
+	}
+
+	/* response the VF according to the message process result */
+	if (retval)
+		msgbuf[0] |= NGBE_VT_MSGTYPE_NACK;
+	else
+		msgbuf[0] |= NGBE_VT_MSGTYPE_ACK;
+
+	msgbuf[0] |= NGBE_VT_MSGTYPE_CTS;
+
+	ngbe_write_mbx(hw, msgbuf, msg_size, vf);
+
+	return retval;
+}
+
+static inline void
+ngbe_rcv_ack_from_vf(struct rte_eth_dev *eth_dev, uint16_t vf)
+{
+	uint32_t msg = NGBE_VT_MSGTYPE_NACK;
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	struct ngbe_vf_info *vfinfo = *NGBE_DEV_VFDATA(eth_dev);
+
+	if (!vfinfo[vf].clear_to_send)
+		ngbe_write_mbx(hw, &msg, 1, vf);
+}
+
+void ngbe_pf_mbx_process(struct rte_eth_dev *eth_dev)
+{
+	uint16_t vf;
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+
+	for (vf = 0; vf < dev_num_vf(eth_dev); vf++) {
+		/* check & process vf function level reset */
+		if (!ngbe_check_for_rst(hw, vf))
+			ngbe_vf_reset_event(eth_dev, vf);
+
+		/* check & process vf mailbox messages */
+		if (!ngbe_check_for_msg(hw, vf))
+			ngbe_rcv_msg_from_vf(eth_dev, vf);
+
+		/* check & process acks from vf */
+		if (!ngbe_check_for_ack(hw, vf))
+			ngbe_rcv_ack_from_vf(eth_dev, vf);
+	}
+}