OK, I was a bit sleep this morning and checked in

the core changes but left out the shared code, lol.
Well, and a couple fixes to the core... hopefully
this will all be complete now.

Happy happy joy joy :)

11 files changed, 1940 insertions, 76 deletions

diff --git a/sys/dev/e1000/e1000_82575.h b/sys/dev/e1000/e1000_82575.h
index 1fc7e26..d64538c 100644
--- a/sys/dev/e1000/e1000_82575.h
+++ b/sys/dev/e1000/e1000_82575.h
@@ -459,5 +459,16 @@ struct e1000_adv_tx_context_desc {
 #define E1000_RXPBS_SIZE_MASK_82576  0x0000007F
 void e1000_vmdq_set_loopback_pf(struct e1000_hw *hw, bool enable);
 void e1000_vmdq_set_replication_pf(struct e1000_hw *hw, bool enable);
+enum e1000_promisc_type {
+	e1000_promisc_disabled = 0,   /* all promisc modes disabled */
+	e1000_promisc_unicast = 1,    /* unicast promiscuous enabled */
+	e1000_promisc_multicast = 2,  /* multicast promiscuous enabled */
+	e1000_promisc_enabled = 3,    /* both uni and multicast promisc */
+	e1000_num_promisc_types
+};
+
+void e1000_vfta_set_vf(struct e1000_hw *, u16, bool);
+void e1000_rlpml_set_vf(struct e1000_hw *, u16);
+s32 e1000_promisc_set_vf(struct e1000_hw *, enum e1000_promisc_type type);
 u16 e1000_rxpbs_adjust_82580(u32 data);
 #endif /* _E1000_82575_H_ */
diff --git a/sys/dev/e1000/e1000_api.c b/sys/dev/e1000/e1000_api.c
index bf9fa2a..8a49c2b 100644
--- a/sys/dev/e1000/e1000_api.c
+++ b/sys/dev/e1000/e1000_api.c
@@ -112,6 +112,31 @@ out:
 	return ret_val;
 }
 
+/**
+ *  e1000_init_mbx_params - Initialize mailbox function pointers
+ *  @hw: pointer to the HW structure
+ *
+ *  This function initializes the function pointers for the PHY
+ *  set of functions.  Called by drivers or by e1000_setup_init_funcs.
+ **/
+s32 e1000_init_mbx_params(struct e1000_hw *hw)
+{
+	s32 ret_val = E1000_SUCCESS;
+
+	if (hw->mbx.ops.init_params) {
+		ret_val = hw->mbx.ops.init_params(hw);
+		if (ret_val) {
+			DEBUGOUT("Mailbox Initialization Error\n");
+			goto out;
+		}
+	} else {
+		DEBUGOUT("mbx.init_mbx_params was NULL\n");
+		ret_val =  -E1000_ERR_CONFIG;
+	}
+
+out:
+	return ret_val;
+}
 
 /**
  *  e1000_set_mac_type - Sets MAC type
@@ -281,6 +306,9 @@ s32 e1000_set_mac_type(struct e1000_hw *hw)
 	case E1000_DEV_ID_82580_COPPER_DUAL:
 		mac->type = e1000_82580;
 		break;
+	case E1000_DEV_ID_82576_VF:
+		mac->type = e1000_vfadapt;
+		break;
 	default:
 		/* Should never have loaded on this device */
 		ret_val = -E1000_ERR_MAC_INIT;
@@ -326,6 +354,7 @@ s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
 	e1000_init_mac_ops_generic(hw);
 	e1000_init_phy_ops_generic(hw);
 	e1000_init_nvm_ops_generic(hw);
+	e1000_init_mbx_ops_generic(hw);
 
 	/*
 	 * Set up the init function pointers. These are functions within the
@@ -374,6 +403,9 @@ s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
 	case e1000_82580:
 		e1000_init_function_pointers_82575(hw);
 		break;
+	case e1000_vfadapt:
+		e1000_init_function_pointers_vf(hw);
+		break;
 	default:
 		DEBUGOUT("Hardware not supported\n");
 		ret_val = -E1000_ERR_CONFIG;
@@ -396,6 +428,10 @@ s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
 		ret_val = e1000_init_phy_params(hw);
 		if (ret_val)
 			goto out;
+
+		ret_val = e1000_init_mbx_params(hw);
+		if (ret_val)
+			goto out;
 	}
 
 out:
diff --git a/sys/dev/e1000/e1000_api.h b/sys/dev/e1000/e1000_api.h
index b7bc14c..9fc7469 100644
--- a/sys/dev/e1000/e1000_api.h
+++ b/sys/dev/e1000/e1000_api.h
@@ -55,6 +55,7 @@ s32  e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device);
 s32  e1000_init_mac_params(struct e1000_hw *hw);
 s32  e1000_init_nvm_params(struct e1000_hw *hw);
 s32  e1000_init_phy_params(struct e1000_hw *hw);
+s32  e1000_init_mbx_params(struct e1000_hw *hw);
 s32  e1000_get_bus_info(struct e1000_hw *hw);
 void e1000_clear_vfta(struct e1000_hw *hw);
 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);
diff --git a/sys/dev/e1000/e1000_hw.h b/sys/dev/e1000/e1000_hw.h
index ce5dffd..b494074 100644
--- a/sys/dev/e1000/e1000_hw.h
+++ b/sys/dev/e1000/e1000_hw.h
@@ -134,6 +134,7 @@ struct e1000_hw;
 #define E1000_DEV_ID_82576_NS                 0x150A
 #define E1000_DEV_ID_82576_NS_SERDES          0x1518
 #define E1000_DEV_ID_82576_SERDES_QUAD        0x150D
+#define E1000_DEV_ID_82576_VF                 0x10CA
 #define E1000_DEV_ID_82575EB_COPPER           0x10A7
 #define E1000_DEV_ID_82575EB_FIBER_SERDES     0x10A9
 #define E1000_DEV_ID_82575GB_QUAD_COPPER      0x10D6
@@ -186,6 +187,7 @@ enum e1000_mac_type {
 	e1000_82575,
 	e1000_82576,
 	e1000_82580,
+	e1000_vfadapt,
 	e1000_num_macs  /* List is 1-based, so subtract 1 for TRUE count. */
 };
 
@@ -531,6 +533,37 @@ struct e1000_hw_stats {
 	u64 doosync;
 };
 
+struct e1000_vf_stats {
+	u64 base_gprc;
+	u64 base_gptc;
+	u64 base_gorc;
+	u64 base_gotc;
+	u64 base_mprc;
+	u64 base_gotlbc;
+	u64 base_gptlbc;
+	u64 base_gorlbc;
+	u64 base_gprlbc;
+
+	u32 last_gprc;
+	u32 last_gptc;
+	u32 last_gorc;
+	u32 last_gotc;
+	u32 last_mprc;
+	u32 last_gotlbc;
+	u32 last_gptlbc;
+	u32 last_gorlbc;
+	u32 last_gprlbc;
+
+	u64 gprc;
+	u64 gptc;
+	u64 gorc;
+	u64 gotc;
+	u64 mprc;
+	u64 gotlbc;
+	u64 gptlbc;
+	u64 gorlbc;
+	u64 gprlbc;
+};
 
 struct e1000_phy_stats {
 	u32 idle_errors;
@@ -581,6 +614,7 @@ struct e1000_host_mng_command_info {
 #include "e1000_phy.h"
 #include "e1000_nvm.h"
 #include "e1000_manage.h"
+#include "e1000_mbx.h"
 
 struct e1000_mac_operations {
 	/* Function pointers for the MAC. */
@@ -758,6 +792,7 @@ struct e1000_fc_info {
 	u32 high_water;          /* Flow control high-water mark */
 	u32 low_water;           /* Flow control low-water mark */
 	u16 pause_time;          /* Flow control pause timer */
+	u16 refresh_time;        /* Flow control refresh timer */
 	bool send_xon;           /* Flow control send XON */
 	bool strict_ieee;        /* Strict IEEE mode */
 	enum e1000_fc_mode current_mode; /* FC mode in effect */
@@ -805,6 +840,33 @@ struct e1000_dev_spec_ich8lan {
 	bool nvm_k1_enabled;
 };
 
+struct e1000_mbx_operations {
+	s32 (*init_params)(struct e1000_hw *hw);
+	s32 (*read)(struct e1000_hw *, u32 *, u16,  u16);
+	s32 (*write)(struct e1000_hw *, u32 *, u16, u16);
+	s32 (*read_posted)(struct e1000_hw *, u32 *, u16,  u16);
+	s32 (*write_posted)(struct e1000_hw *, u32 *, u16, u16);
+	s32 (*check_for_msg)(struct e1000_hw *, u16);
+	s32 (*check_for_ack)(struct e1000_hw *, u16);
+	s32 (*check_for_rst)(struct e1000_hw *, u16);
+};
+
+struct e1000_mbx_stats {
+	u32 msgs_tx;
+	u32 msgs_rx;
+	u32 acks;
+	u32 reqs;
+	u32 rsts;
+};
+
+struct e1000_mbx_info {
+	struct e1000_mbx_operations ops;
+	struct e1000_mbx_stats stats;
+	u32 timeout;
+	u32 usec_delay;
+	u16 size;
+};
+
 struct e1000_dev_spec_82575 {
 	bool sgmii_active;
 	bool global_device_reset;
@@ -828,6 +890,7 @@ struct e1000_hw {
 	struct e1000_phy_info  phy;
 	struct e1000_nvm_info  nvm;
 	struct e1000_bus_info  bus;
+	struct e1000_mbx_info mbx;
 	struct e1000_host_mng_dhcp_cookie mng_cookie;
 
 	union {
diff --git a/sys/dev/e1000/e1000_mbx.c b/sys/dev/e1000/e1000_mbx.c
new file mode 100644
index 0000000..65dab38
--- /dev/null
+++ b/sys/dev/e1000/e1000_mbx.c
@@ -0,0 +1,762 @@
+/******************************************************************************
+
+  Copyright (c) 2001-2010, Intel Corporation 
+  All rights reserved.
+  
+  Redistribution and use in source and binary forms, with or without 
+  modification, are permitted provided that the following conditions are met:
+  
+   1. Redistributions of source code must retain the above copyright notice, 
+      this list of conditions and the following disclaimer.
+  
+   2. 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.
+  
+   3. Neither the name of the 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.
+
+******************************************************************************/
+/*$FreeBSD$*/
+
+#include "e1000_mbx.h"
+
+/**
+ *  e1000_null_mbx_check_for_flag - No-op function, return 0
+ *  @hw: pointer to the HW structure
+ **/
+static s32 e1000_null_mbx_check_for_flag(struct e1000_hw *hw, u16 mbx_id)
+{
+	DEBUGFUNC("e1000_null_mbx_check_flag");
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_null_mbx_transact - No-op function, return 0
+ *  @hw: pointer to the HW structure
+ **/
+static s32 e1000_null_mbx_transact(struct e1000_hw *hw, u32 *msg, u16 size,
+                            u16 mbx_id)
+{
+	DEBUGFUNC("e1000_null_mbx_rw_msg");
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_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 SUCCESS if it successfuly read message from buffer
+ **/
+s32 e1000_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_read_mbx");
+
+	/* limit read to size of mailbox */
+	if (size > mbx->size)
+		size = mbx->size;
+
+	if (mbx->ops.read)
+		ret_val = mbx->ops.read(hw, msg, size, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  e1000_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 SUCCESS if it successfully copied message into the buffer
+ **/
+s32 e1000_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = E1000_SUCCESS;
+
+	DEBUGFUNC("e1000_write_mbx");
+
+	if (size > mbx->size)
+		ret_val = -E1000_ERR_MBX;
+
+	else if (mbx->ops.write)
+		ret_val = mbx->ops.write(hw, msg, size, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  e1000_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 SUCCESS if the Status bit was found or else ERR_MBX
+ **/
+s32 e1000_check_for_msg(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_msg");
+
+	if (mbx->ops.check_for_msg)
+		ret_val = mbx->ops.check_for_msg(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  e1000_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 SUCCESS if the Status bit was found or else ERR_MBX
+ **/
+s32 e1000_check_for_ack(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_ack");
+
+	if (mbx->ops.check_for_ack)
+		ret_val = mbx->ops.check_for_ack(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  e1000_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 SUCCESS if the Status bit was found or else ERR_MBX
+ **/
+s32 e1000_check_for_rst(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_rst");
+
+	if (mbx->ops.check_for_rst)
+		ret_val = mbx->ops.check_for_rst(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  e1000_poll_for_msg - Wait for message notification
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully received a message notification
+ **/
+static s32 e1000_poll_for_msg(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	int countdown = mbx->timeout;
+
+	DEBUGFUNC("e1000_poll_for_msg");
+
+	if (!countdown || !mbx->ops.check_for_msg)
+		goto out;
+
+	while (countdown && mbx->ops.check_for_msg(hw, mbx_id)) {
+		countdown--;
+		if (!countdown)
+			break;
+		usec_delay(mbx->usec_delay);
+	}
+
+	/* if we failed, all future posted messages fail until reset */
+	if (!countdown)
+		mbx->timeout = 0;
+out:
+	return countdown ? E1000_SUCCESS : -E1000_ERR_MBX;
+}
+
+/**
+ *  e1000_poll_for_ack - Wait for message acknowledgement
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully received a message acknowledgement
+ **/
+static s32 e1000_poll_for_ack(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	int countdown = mbx->timeout;
+
+	DEBUGFUNC("e1000_poll_for_ack");
+
+	if (!countdown || !mbx->ops.check_for_ack)
+		goto out;
+
+	while (countdown && mbx->ops.check_for_ack(hw, mbx_id)) {
+		countdown--;
+		if (!countdown)
+			break;
+		usec_delay(mbx->usec_delay);
+	}
+
+	/* if we failed, all future posted messages fail until reset */
+	if (!countdown)
+		mbx->timeout = 0;
+out:
+	return countdown ? E1000_SUCCESS : -E1000_ERR_MBX;
+}
+
+/**
+ *  e1000_read_posted_mbx - Wait for message notification and receive message
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully received a message notification and
+ *  copied it into the receive buffer.
+ **/
+s32 e1000_read_posted_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_read_posted_mbx");
+
+	if (!mbx->ops.read)
+		goto out;
+
+	ret_val = e1000_poll_for_msg(hw, mbx_id);
+
+	/* if ack received read message, otherwise we timed out */
+	if (!ret_val)
+		ret_val = mbx->ops.read(hw, msg, size, mbx_id);
+out:
+	return ret_val;
+}
+
+/**
+ *  e1000_write_posted_mbx - Write a message to the mailbox, wait for ack
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully copied message into the buffer and
+ *  received an ack to that message within delay * timeout period
+ **/
+s32 e1000_write_posted_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_write_posted_mbx");
+
+	/* exit if either we can't write or there isn't a defined timeout */
+	if (!mbx->ops.write || !mbx->timeout)
+		goto out;
+
+	/* send msg */
+	ret_val = mbx->ops.write(hw, msg, size, mbx_id);
+
+	/* if msg sent wait until we receive an ack */
+	if (!ret_val)
+		ret_val = e1000_poll_for_ack(hw, mbx_id);
+out:
+	return ret_val;
+}
+
+/**
+ *  e1000_init_mbx_ops_generic - Initialize mbx function pointers
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets the function pointers to no-op functions
+ **/
+void e1000_init_mbx_ops_generic(struct e1000_hw *hw)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	mbx->ops.init_params = e1000_null_ops_generic;
+	mbx->ops.read = e1000_null_mbx_transact;
+	mbx->ops.write = e1000_null_mbx_transact;
+	mbx->ops.check_for_msg = e1000_null_mbx_check_for_flag;
+	mbx->ops.check_for_ack = e1000_null_mbx_check_for_flag;
+	mbx->ops.check_for_rst = e1000_null_mbx_check_for_flag;
+	mbx->ops.read_posted = e1000_read_posted_mbx;
+	mbx->ops.write_posted = e1000_write_posted_mbx;
+}
+
+/**
+ *  e1000_read_v2p_mailbox - read v2p mailbox
+ *  @hw: pointer to the HW structure
+ *
+ *  This function is used to read the v2p mailbox without losing the read to
+ *  clear status bits.
+ **/
+static u32 e1000_read_v2p_mailbox(struct e1000_hw *hw)
+{
+	u32 v2p_mailbox = E1000_READ_REG(hw, E1000_V2PMAILBOX(0));
+
+	v2p_mailbox |= hw->dev_spec.vf.v2p_mailbox;
+	hw->dev_spec.vf.v2p_mailbox |= v2p_mailbox & E1000_V2PMAILBOX_R2C_BITS;
+
+	return v2p_mailbox;
+}
+
+/**
+ *  e1000_check_for_bit_vf - Determine if a status bit was set
+ *  @hw: pointer to the HW structure
+ *  @mask: bitmask for bits to be tested and cleared
+ *
+ *  This function is used to check for the read to clear bits within
+ *  the V2P mailbox.
+ **/
+static s32 e1000_check_for_bit_vf(struct e1000_hw *hw, u32 mask)
+{
+	u32 v2p_mailbox = e1000_read_v2p_mailbox(hw);
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (v2p_mailbox & mask)
+		ret_val = E1000_SUCCESS;
+
+	hw->dev_spec.vf.v2p_mailbox &= ~mask;
+
+	return ret_val;
+}
+
+/**
+ *  e1000_check_for_msg_vf - checks to see if the PF has sent mail
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns SUCCESS if the PF has set the Status bit or else ERR_MBX
+ **/
+static s32 e1000_check_for_msg_vf(struct e1000_hw *hw, u16 mbx_id)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_msg_vf");
+
+	if (!e1000_check_for_bit_vf(hw, E1000_V2PMAILBOX_PFSTS)) {
+		ret_val = E1000_SUCCESS;
+		hw->mbx.stats.reqs++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_check_for_ack_vf - checks to see if the PF has ACK'd
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns SUCCESS if the PF has set the ACK bit or else ERR_MBX
+ **/
+static s32 e1000_check_for_ack_vf(struct e1000_hw *hw, u16 mbx_id)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_ack_vf");
+
+	if (!e1000_check_for_bit_vf(hw, E1000_V2PMAILBOX_PFACK)) {
+		ret_val = E1000_SUCCESS;
+		hw->mbx.stats.acks++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_check_for_rst_vf - checks to see if the PF has reset
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns TRUE if the PF has set the reset done bit or else FALSE
+ **/
+static s32 e1000_check_for_rst_vf(struct e1000_hw *hw, u16 mbx_id)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_rst_vf");
+
+	if (!e1000_check_for_bit_vf(hw, (E1000_V2PMAILBOX_RSTD |
+	                                 E1000_V2PMAILBOX_RSTI))) {
+		ret_val = E1000_SUCCESS;
+		hw->mbx.stats.rsts++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_obtain_mbx_lock_vf - obtain mailbox lock
+ *  @hw: pointer to the HW structure
+ *
+ *  return SUCCESS if we obtained the mailbox lock
+ **/
+static s32 e1000_obtain_mbx_lock_vf(struct e1000_hw *hw)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_obtain_mbx_lock_vf");
+
+	/* Take ownership of the buffer */
+	E1000_WRITE_REG(hw, E1000_V2PMAILBOX(0), E1000_V2PMAILBOX_VFU);
+
+	/* reserve mailbox for vf use */
+	if (e1000_read_v2p_mailbox(hw) & E1000_V2PMAILBOX_VFU)
+		ret_val = E1000_SUCCESS;
+
+	return ret_val;
+}
+
+/**
+ *  e1000_write_mbx_vf - 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 SUCCESS if it successfully copied message into the buffer
+ **/
+static s32 e1000_write_mbx_vf(struct e1000_hw *hw, u32 *msg, u16 size,
+                              u16 mbx_id)
+{
+	s32 ret_val;
+	u16 i;
+
+
+	DEBUGFUNC("e1000_write_mbx_vf");
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = e1000_obtain_mbx_lock_vf(hw);
+	if (ret_val)
+		goto out_no_write;
+
+	/* flush msg and acks as we are overwriting the message buffer */
+	e1000_check_for_msg_vf(hw, 0);
+	e1000_check_for_ack_vf(hw, 0);
+
+	/* copy the caller specified message to the mailbox memory buffer */
+	for (i = 0; i < size; i++)
+		E1000_WRITE_REG_ARRAY(hw, E1000_VMBMEM(0), i, msg[i]);
+
+	/* update stats */
+	hw->mbx.stats.msgs_tx++;
+
+	/* Drop VFU and interrupt the PF to tell it a message has been sent */
+	E1000_WRITE_REG(hw, E1000_V2PMAILBOX(0), E1000_V2PMAILBOX_REQ);
+
+out_no_write:
+	return ret_val;
+}
+
+/**
+ *  e1000_read_mbx_vf - Reads a message from the inbox intended for vf
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to read
+ *
+ *  returns SUCCESS if it successfuly read message from buffer
+ **/
+static s32 e1000_read_mbx_vf(struct e1000_hw *hw, u32 *msg, u16 size,
+                             u16 mbx_id)
+{
+	s32 ret_val = E1000_SUCCESS;
+	u16 i;
+
+	DEBUGFUNC("e1000_read_mbx_vf");
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = e1000_obtain_mbx_lock_vf(hw);
+	if (ret_val)
+		goto out_no_read;
+
+	/* copy the message from the mailbox memory buffer */
+	for (i = 0; i < size; i++)
+		msg[i] = E1000_READ_REG_ARRAY(hw, E1000_VMBMEM(0), i);
+
+	/* Acknowledge receipt and release mailbox, then we're done */
+	E1000_WRITE_REG(hw, E1000_V2PMAILBOX(0), E1000_V2PMAILBOX_ACK);
+
+	/* update stats */
+	hw->mbx.stats.msgs_rx++;
+
+out_no_read:
+	return ret_val;
+}
+
+/**
+ *  e1000_init_mbx_params_vf - set initial values for vf mailbox
+ *  @hw: pointer to the HW structure
+ *
+ *  Initializes the hw->mbx struct to correct values for vf mailbox
+ */
+s32 e1000_init_mbx_params_vf(struct e1000_hw *hw)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+
+	/* start mailbox as timed out and let the reset_hw call set the timeout
+	 * value to begin communications */
+	mbx->timeout = 0;
+	mbx->usec_delay = E1000_VF_MBX_INIT_DELAY;
+
+	mbx->size = E1000_VFMAILBOX_SIZE;
+
+	mbx->ops.read = e1000_read_mbx_vf;
+	mbx->ops.write = e1000_write_mbx_vf;
+	mbx->ops.read_posted = e1000_read_posted_mbx;
+	mbx->ops.write_posted = e1000_write_posted_mbx;
+	mbx->ops.check_for_msg = e1000_check_for_msg_vf;
+	mbx->ops.check_for_ack = e1000_check_for_ack_vf;
+	mbx->ops.check_for_rst = e1000_check_for_rst_vf;
+
+	mbx->stats.msgs_tx = 0;
+	mbx->stats.msgs_rx = 0;
+	mbx->stats.reqs = 0;
+	mbx->stats.acks = 0;
+	mbx->stats.rsts = 0;
+
+	return E1000_SUCCESS;
+}
+
+static s32 e1000_check_for_bit_pf(struct e1000_hw *hw, u32 mask)
+{
+	u32 mbvficr = E1000_READ_REG(hw, E1000_MBVFICR);
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (mbvficr & mask) {
+		ret_val = E1000_SUCCESS;
+		E1000_WRITE_REG(hw, E1000_MBVFICR, mask);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_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 SUCCESS if the VF has set the Status bit or else ERR_MBX
+ **/
+static s32 e1000_check_for_msg_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_msg_pf");
+
+	if (!e1000_check_for_bit_pf(hw, E1000_MBVFICR_VFREQ_VF1 << vf_number)) {
+		ret_val = E1000_SUCCESS;
+		hw->mbx.stats.reqs++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_check_for_ack_pf - checks to see if the VF has ACKed
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ **/
+static s32 e1000_check_for_ack_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_ack_pf");
+
+	if (!e1000_check_for_bit_pf(hw, E1000_MBVFICR_VFACK_VF1 << vf_number)) {
+		ret_val = E1000_SUCCESS;
+		hw->mbx.stats.acks++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_check_for_rst_pf - checks to see if the VF has reset
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ **/
+static s32 e1000_check_for_rst_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	u32 vflre = E1000_READ_REG(hw, E1000_VFLRE);
+	s32 ret_val = -E1000_ERR_MBX;
+
+	DEBUGFUNC("e1000_check_for_rst_pf");
+
+	if (vflre & (1 << vf_number)) {
+		ret_val = E1000_SUCCESS;
+		E1000_WRITE_REG(hw, E1000_VFLRE, (1 << vf_number));
+		hw->mbx.stats.rsts++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_obtain_mbx_lock_pf - obtain mailbox lock
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  return SUCCESS if we obtained the mailbox lock
+ **/
+static s32 e1000_obtain_mbx_lock_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+	u32 p2v_mailbox;
+
+	DEBUGFUNC("e1000_obtain_mbx_lock_pf");
+
+	/* Take ownership of the buffer */
+	E1000_WRITE_REG(hw, E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_PFU);
+
+	/* reserve mailbox for vf use */
+	p2v_mailbox = E1000_READ_REG(hw, E1000_P2VMAILBOX(vf_number));
+	if (p2v_mailbox & E1000_P2VMAILBOX_PFU)
+		ret_val = E1000_SUCCESS;
+
+	return ret_val;
+}
+
+/**
+ *  e1000_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 SUCCESS if it successfully copied message into the buffer
+ **/
+static s32 e1000_write_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size,
+                              u16 vf_number)
+{
+	s32 ret_val;
+	u16 i;
+
+	DEBUGFUNC("e1000_write_mbx_pf");
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = e1000_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 */
+	e1000_check_for_msg_pf(hw, vf_number);
+	e1000_check_for_ack_pf(hw, vf_number);
+
+	/* copy the caller specified message to the mailbox memory buffer */
+	for (i = 0; i < size; i++)
+		E1000_WRITE_REG_ARRAY(hw, E1000_VMBMEM(vf_number), i, msg[i]);
+
+	/* Interrupt VF to tell it a message has been sent and release buffer*/
+	E1000_WRITE_REG(hw, E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_STS);
+
+	/* update stats */
+	hw->mbx.stats.msgs_tx++;
+
+out_no_write:
+	return ret_val;
+
+}
+
+/**
+ *  e1000_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.
+ **/
+static s32 e1000_read_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size,
+                             u16 vf_number)
+{
+	s32 ret_val;
+	u16 i;
+
+	DEBUGFUNC("e1000_read_mbx_pf");
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = e1000_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] = E1000_READ_REG_ARRAY(hw, E1000_VMBMEM(vf_number), i);
+
+	/* Acknowledge the message and release buffer */
+	E1000_WRITE_REG(hw, E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_ACK);
+
+	/* update stats */
+	hw->mbx.stats.msgs_rx++;
+
+out_no_read:
+	return ret_val;
+}
+
+/**
+ *  e1000_init_mbx_params_pf - set initial values for pf mailbox
+ *  @hw: pointer to the HW structure
+ *
+ *  Initializes the hw->mbx struct to correct values for pf mailbox
+ */
+s32 e1000_init_mbx_params_pf(struct e1000_hw *hw)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+
+	if (hw->mac.type == e1000_82576) {
+		mbx->timeout = 0;
+		mbx->usec_delay = 0;
+
+		mbx->size = E1000_VFMAILBOX_SIZE;
+
+		mbx->ops.read = e1000_read_mbx_pf;
+		mbx->ops.write = e1000_write_mbx_pf;
+		mbx->ops.read_posted = e1000_read_posted_mbx;
+		mbx->ops.write_posted = e1000_write_posted_mbx;
+		mbx->ops.check_for_msg = e1000_check_for_msg_pf;
+		mbx->ops.check_for_ack = e1000_check_for_ack_pf;
+		mbx->ops.check_for_rst = e1000_check_for_rst_pf;
+
+		mbx->stats.msgs_tx = 0;
+		mbx->stats.msgs_rx = 0;
+		mbx->stats.reqs = 0;
+		mbx->stats.acks = 0;
+		mbx->stats.rsts = 0;
+	}
+
+	return E1000_SUCCESS;
+}
+
diff --git a/sys/dev/e1000/e1000_mbx.h b/sys/dev/e1000/e1000_mbx.h
new file mode 100644
index 0000000..206f00c
--- /dev/null
+++ b/sys/dev/e1000/e1000_mbx.h
@@ -0,0 +1,106 @@
+/******************************************************************************
+
+  Copyright (c) 2001-2010, Intel Corporation 
+  All rights reserved.
+  
+  Redistribution and use in source and binary forms, with or without 
+  modification, are permitted provided that the following conditions are met:
+  
+   1. Redistributions of source code must retain the above copyright notice, 
+      this list of conditions and the following disclaimer.
+  
+   2. 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.
+  
+   3. Neither the name of the 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.
+
+******************************************************************************/
+/*$FreeBSD$*/
+
+#ifndef _E1000_MBX_H_
+#define _E1000_MBX_H_
+
+#include "e1000_api.h"
+
+/* Define mailbox register bits */
+#define E1000_V2PMAILBOX_REQ   0x00000001 /* Request for PF Ready bit */
+#define E1000_V2PMAILBOX_ACK   0x00000002 /* Ack PF message received */
+#define E1000_V2PMAILBOX_VFU   0x00000004 /* VF owns the mailbox buffer */
+#define E1000_V2PMAILBOX_PFU   0x00000008 /* PF owns the mailbox buffer */
+#define E1000_V2PMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
+#define E1000_V2PMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
+#define E1000_V2PMAILBOX_RSTI  0x00000040 /* PF has reset indication */
+#define E1000_V2PMAILBOX_RSTD  0x00000080 /* PF has indicated reset done */
+#define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
+
+#define E1000_P2VMAILBOX_STS   0x00000001 /* Initiate message send to VF */
+#define E1000_P2VMAILBOX_ACK   0x00000002 /* Ack message recv'd from VF */
+#define E1000_P2VMAILBOX_VFU   0x00000004 /* VF owns the mailbox buffer */
+#define E1000_P2VMAILBOX_PFU   0x00000008 /* PF owns the mailbox buffer */
+#define E1000_P2VMAILBOX_RVFU  0x00000010 /* Reset VFU - used when VF stuck */
+
+#define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
+#define E1000_MBVFICR_VFREQ_VF1  0x00000001 /* bit for VF 1 message */
+#define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
+#define E1000_MBVFICR_VFACK_VF1  0x00010000 /* bit for VF 1 ack */
+
+#define E1000_VFMAILBOX_SIZE   16 /* 16 32 bit words - 64 bytes */
+
+/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
+ * PF.  The reverse is TRUE if it is E1000_PF_*.
+ * Message ACK's are the value or'd with 0xF0000000
+ */
+#define E1000_VT_MSGTYPE_ACK      0x80000000  /* Messages below or'd with
+                                               * this are the ACK */
+#define E1000_VT_MSGTYPE_NACK     0x40000000  /* Messages below or'd with
+                                               * this are the NACK */
+#define E1000_VT_MSGTYPE_CTS      0x20000000  /* Indicates that VF is still
+                                                 clear to send requests */
+#define E1000_VT_MSGINFO_SHIFT    16
+/* bits 23:16 are used for exra info for certain messages */
+#define E1000_VT_MSGINFO_MASK     (0xFF << E1000_VT_MSGINFO_SHIFT)
+
+#define E1000_VF_RESET            0x01 /* VF requests reset */
+#define E1000_VF_SET_MAC_ADDR     0x02 /* VF requests to set MAC addr */
+#define E1000_VF_SET_MULTICAST    0x03 /* VF requests to set MC addr */
+#define E1000_VF_SET_MULTICAST_COUNT_MASK (0x1F << E1000_VT_MSGINFO_SHIFT)
+#define E1000_VF_SET_MULTICAST_OVERFLOW   (0x80 << E1000_VT_MSGINFO_SHIFT)
+#define E1000_VF_SET_VLAN         0x04 /* VF requests to set VLAN */
+#define E1000_VF_SET_VLAN_ADD             (0x01 << E1000_VT_MSGINFO_SHIFT)
+#define E1000_VF_SET_LPE          0x05 /* VF requests to set VMOLR.LPE */
+#define E1000_VF_SET_PROMISC      0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
+#define E1000_VF_SET_PROMISC_UNICAST      (0x01 << E1000_VT_MSGINFO_SHIFT)
+#define E1000_VF_SET_PROMISC_MULTICAST    (0x02 << E1000_VT_MSGINFO_SHIFT)
+
+#define E1000_PF_CONTROL_MSG      0x0100 /* PF control message */
+
+#define E1000_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */
+#define E1000_VF_MBX_INIT_DELAY   500  /* microseconds between retries */
+
+s32 e1000_read_mbx(struct e1000_hw *, u32 *, u16, u16);
+s32 e1000_write_mbx(struct e1000_hw *, u32 *, u16, u16);
+s32 e1000_read_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
+s32 e1000_write_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
+s32 e1000_check_for_msg(struct e1000_hw *, u16);
+s32 e1000_check_for_ack(struct e1000_hw *, u16);
+s32 e1000_check_for_rst(struct e1000_hw *, u16);
+void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
+s32 e1000_init_mbx_params_vf(struct e1000_hw *);
+s32 e1000_init_mbx_params_pf(struct e1000_hw *);
+
+#endif /* _E1000_MBX_H_ */
diff --git a/sys/dev/e1000/e1000_regs.h b/sys/dev/e1000/e1000_regs.h
index b2a477e..2cb4397 100644
--- a/sys/dev/e1000/e1000_regs.h
+++ b/sys/dev/e1000/e1000_regs.h
@@ -282,6 +282,15 @@
 #define E1000_ICRXOC   0x04124  /* Interrupt Cause Receiver Overrun Count */
 #define E1000_CRC_OFFSET 0x05F50  /* CRC Offset register */
 
+#define E1000_VFGPRC   0x00F10
+#define E1000_VFGORC   0x00F18
+#define E1000_VFMPRC   0x00F3C
+#define E1000_VFGPTC   0x00F14
+#define E1000_VFGOTC   0x00F34
+#define E1000_VFGOTLBC 0x00F50
+#define E1000_VFGPTLBC 0x00F44
+#define E1000_VFGORLBC 0x00F48
+#define E1000_VFGPRLBC 0x00F40
 /* Virtualization statistical counters */
 #define E1000_PFVFGPRC(_n)   (0x010010 + (0x100 * (_n)))
 #define E1000_PFVFGPTC(_n)   (0x010014 + (0x100 * (_n)))
diff --git a/sys/dev/e1000/e1000_vf.c b/sys/dev/e1000/e1000_vf.c
new file mode 100644
index 0000000..b2ee563
--- /dev/null
+++ b/sys/dev/e1000/e1000_vf.c
@@ -0,0 +1,574 @@
+/******************************************************************************
+
+  Copyright (c) 2001-2010, Intel Corporation 
+  All rights reserved.
+  
+  Redistribution and use in source and binary forms, with or without 
+  modification, are permitted provided that the following conditions are met:
+  
+   1. Redistributions of source code must retain the above copyright notice, 
+      this list of conditions and the following disclaimer.
+  
+   2. 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.
+  
+   3. Neither the name of the 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.
+
+******************************************************************************/
+/*$FreeBSD$*/
+
+
+#include "e1000_api.h"
+
+
+static s32       e1000_init_phy_params_vf(struct e1000_hw *hw);
+static s32       e1000_init_nvm_params_vf(struct e1000_hw *hw);
+static void      e1000_release_vf(struct e1000_hw *hw);
+static s32       e1000_acquire_vf(struct e1000_hw *hw);
+static s32       e1000_setup_link_vf(struct e1000_hw *hw);
+static s32       e1000_get_bus_info_pcie_vf(struct e1000_hw *hw);
+static s32       e1000_init_mac_params_vf(struct e1000_hw *hw);
+static s32       e1000_check_for_link_vf(struct e1000_hw *hw);
+static s32       e1000_get_link_up_info_vf(struct e1000_hw *hw, u16 *speed,
+                                              u16 *duplex);
+static s32       e1000_init_hw_vf(struct e1000_hw *hw);
+static s32       e1000_reset_hw_vf(struct e1000_hw *hw);
+static void      e1000_update_mc_addr_list_vf(struct e1000_hw *hw, u8 *, u32);
+static void      e1000_rar_set_vf(struct e1000_hw *, u8 *, u32);
+static s32       e1000_read_mac_addr_vf(struct e1000_hw *);
+
+/**
+ *  e1000_init_phy_params_vf - Inits PHY params
+ *  @hw: pointer to the HW structure
+ *
+ *  Doesn't do much - there's no PHY available to the VF.
+ **/
+static s32 e1000_init_phy_params_vf(struct e1000_hw *hw)
+{
+	DEBUGFUNC("e1000_init_phy_params_vf");
+	hw->phy.type = e1000_phy_vf;
+	hw->phy.ops.acquire = e1000_acquire_vf;
+	hw->phy.ops.release = e1000_release_vf;
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_init_nvm_params_vf - Inits NVM params
+ *  @hw: pointer to the HW structure
+ *
+ *  Doesn't do much - there's no NVM available to the VF.
+ **/
+static s32 e1000_init_nvm_params_vf(struct e1000_hw *hw)
+{
+	DEBUGFUNC("e1000_init_nvm_params_vf");
+	hw->nvm.type = e1000_nvm_none;
+	hw->nvm.ops.acquire = e1000_acquire_vf;
+	hw->nvm.ops.release = e1000_release_vf;
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_init_mac_params_vf - Inits MAC params
+ *  @hw: pointer to the HW structure
+ **/
+static s32 e1000_init_mac_params_vf(struct e1000_hw *hw)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+
+	DEBUGFUNC("e1000_init_mac_params_vf");
+
+	/* Set media type */
+	/*
+	 * Virtual functions don't care what they're media type is as they
+	 * have no direct access to the PHY, or the media.  That is handled
+	 * by the physical function driver.
+	 */
+	hw->phy.media_type = e1000_media_type_unknown;
+
+	/* No ASF features for the VF driver */
+	mac->asf_firmware_present = FALSE;
+	/* ARC subsystem not supported */
+	mac->arc_subsystem_valid = FALSE;
+	/* Disable adaptive IFS mode so the generic funcs don't do anything */
+	mac->adaptive_ifs = FALSE;
+	/* VF's have no MTA Registers - PF feature only */
+	mac->mta_reg_count = 128;
+	/* VF's have no access to RAR entries  */
+	mac->rar_entry_count = 1;
+
+	/* Function pointers */
+	/* link setup */
+	mac->ops.setup_link = e1000_setup_link_vf;
+	/* bus type/speed/width */
+	mac->ops.get_bus_info = e1000_get_bus_info_pcie_vf;
+	/* reset */
+	mac->ops.reset_hw = e1000_reset_hw_vf;
+	/* hw initialization */
+	mac->ops.init_hw = e1000_init_hw_vf;
+	/* check for link */
+	mac->ops.check_for_link = e1000_check_for_link_vf;
+	/* link info */
+	mac->ops.get_link_up_info = e1000_get_link_up_info_vf;
+	/* multicast address update */
+	mac->ops.update_mc_addr_list = e1000_update_mc_addr_list_vf;
+	/* set mac address */
+	mac->ops.rar_set = e1000_rar_set_vf;
+	/* read mac address */
+	mac->ops.read_mac_addr = e1000_read_mac_addr_vf;
+
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_init_function_pointers_vf - Inits function pointers
+ *  @hw: pointer to the HW structure
+ **/
+void e1000_init_function_pointers_vf(struct e1000_hw *hw)
+{
+	DEBUGFUNC("e1000_init_function_pointers_vf");
+
+	hw->mac.ops.init_params = e1000_init_mac_params_vf;
+	hw->nvm.ops.init_params = e1000_init_nvm_params_vf;
+	hw->phy.ops.init_params = e1000_init_phy_params_vf;
+	hw->mbx.ops.init_params = e1000_init_mbx_params_vf;
+}
+
+/**
+ *  e1000_acquire_vf - Acquire rights to access PHY or NVM.
+ *  @hw: pointer to the HW structure
+ *
+ *  There is no PHY or NVM so we want all attempts to acquire these to fail.
+ *  In addition, the MAC registers to access PHY/NVM don't exist so we don't
+ *  even want any SW to attempt to use them.
+ **/
+static s32 e1000_acquire_vf(struct e1000_hw *hw)
+{
+	return -E1000_ERR_PHY;
+}
+
+/**
+ *  e1000_release_vf - Release PHY or NVM
+ *  @hw: pointer to the HW structure
+ *
+ *  There is no PHY or NVM so we want all attempts to acquire these to fail.
+ *  In addition, the MAC registers to access PHY/NVM don't exist so we don't
+ *  even want any SW to attempt to use them.
+ **/
+static void e1000_release_vf(struct e1000_hw *hw)
+{
+	return;
+}
+
+/**
+ *  e1000_setup_link_vf - Sets up link.
+ *  @hw: pointer to the HW structure
+ *
+ *  Virtual functions cannot change link.
+ **/
+static s32 e1000_setup_link_vf(struct e1000_hw *hw)
+{
+	DEBUGFUNC("e1000_setup_link_vf");
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_get_bus_info_pcie_vf - Gets the bus info.
+ *  @hw: pointer to the HW structure
+ *
+ *  Virtual functions are not really on their own bus.
+ **/
+static s32 e1000_get_bus_info_pcie_vf(struct e1000_hw *hw)
+{
+	struct e1000_bus_info *bus = &hw->bus;
+
+	DEBUGFUNC("e1000_get_bus_info_pcie_vf");
+
+	/* Do not set type PCI-E because we don't want disable master to run */
+	bus->type = e1000_bus_type_reserved;
+	bus->speed = e1000_bus_speed_2500;
+
+	return 0;
+}
+
+/**
+ *  e1000_get_link_up_info_vf - Gets link info.
+ *  @hw: pointer to the HW structure
+ *  @speed: pointer to 16 bit value to store link speed.
+ *  @duplex: pointer to 16 bit value to store duplex.
+ *
+ *  Since we cannot read the PHY and get accurate link info, we must rely upon
+ *  the status register's data which is often stale and inaccurate.
+ **/
+static s32 e1000_get_link_up_info_vf(struct e1000_hw *hw, u16 *speed,
+                                     u16 *duplex)
+{
+	s32 status;
+
+	DEBUGFUNC("e1000_get_link_up_info_vf");
+
+	status = E1000_READ_REG(hw, E1000_STATUS);
+	if (status & E1000_STATUS_SPEED_1000) {
+		*speed = SPEED_1000;
+		DEBUGOUT("1000 Mbs, ");
+	} else if (status & E1000_STATUS_SPEED_100) {
+		*speed = SPEED_100;
+		DEBUGOUT("100 Mbs, ");
+	} else {
+		*speed = SPEED_10;
+		DEBUGOUT("10 Mbs, ");
+	}
+
+	if (status & E1000_STATUS_FD) {
+		*duplex = FULL_DUPLEX;
+		DEBUGOUT("Full Duplex\n");
+	} else {
+		*duplex = HALF_DUPLEX;
+		DEBUGOUT("Half Duplex\n");
+	}
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_reset_hw_vf - Resets the HW
+ *  @hw: pointer to the HW structure
+ *
+ *  VF's provide a function level reset. This is done using bit 26 of ctrl_reg.
+ *  This is all the reset we can perform on a VF.
+ **/
+static s32 e1000_reset_hw_vf(struct e1000_hw *hw)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	u32 timeout = E1000_VF_INIT_TIMEOUT;
+	s32 ret_val = -E1000_ERR_MAC_INIT;
+	u32 ctrl, msgbuf[3];
+	u8 *addr = (u8 *)(&msgbuf[1]);
+
+	DEBUGFUNC("e1000_reset_hw_vf");
+
+	DEBUGOUT("Issuing a function level reset to MAC\n");
+	ctrl = E1000_READ_REG(hw, E1000_CTRL);
+	E1000_WRITE_REG(hw, E1000_CTRL, ctrl | E1000_CTRL_RST);
+
+	/* we cannot reset while the RSTI / RSTD bits are asserted */
+	while (!mbx->ops.check_for_rst(hw, 0) && timeout) {
+		timeout--;
+		usec_delay(5);
+	}
+
+	if (timeout) {
+		/* mailbox timeout can now become active */
+		mbx->timeout = E1000_VF_MBX_INIT_TIMEOUT;
+
+		msgbuf[0] = E1000_VF_RESET;
+		mbx->ops.write_posted(hw, msgbuf, 1, 0);
+
+		msec_delay(10);
+
+		/* set our "perm_addr" based on info provided by PF */
+		ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0);
+		if (!ret_val) {
+			if (msgbuf[0] == (E1000_VF_RESET |
+						E1000_VT_MSGTYPE_ACK))
+				memcpy(hw->mac.perm_addr, addr, 6);
+			else
+				ret_val = -E1000_ERR_MAC_INIT;
+		}
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_init_hw_vf - Inits the HW
+ *  @hw: pointer to the HW structure
+ *
+ *  Not much to do here except clear the PF Reset indication if there is one.
+ **/
+static s32 e1000_init_hw_vf(struct e1000_hw *hw)
+{
+	DEBUGFUNC("e1000_init_hw_vf");
+
+	/* attempt to set and restore our mac address */
+	e1000_rar_set_vf(hw, hw->mac.addr, 0);
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_rar_set_vf - set device MAC address
+ *  @hw: pointer to the HW structure
+ *  @addr: pointer to the receive address
+ *  @index receive address array register
+ **/
+static void e1000_rar_set_vf(struct e1000_hw *hw, u8 * addr, u32 index)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	u32 msgbuf[3];
+	u8 *msg_addr = (u8 *)(&msgbuf[1]);
+	s32 ret_val;
+
+	memset(msgbuf, 0, 12);
+	msgbuf[0] = E1000_VF_SET_MAC_ADDR;
+	memcpy(msg_addr, addr, 6);
+	ret_val = mbx->ops.write_posted(hw, msgbuf, 3, 0);
+
+	if (!ret_val)
+		ret_val = mbx->ops.read_posted(hw, msgbuf, 3, 0);
+
+	msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
+
+	/* if nacked the address was rejected, use "perm_addr" */
+	if (!ret_val &&
+	    (msgbuf[0] == (E1000_VF_SET_MAC_ADDR | E1000_VT_MSGTYPE_NACK)))
+		e1000_read_mac_addr_vf(hw);
+}
+
+/**
+ *  e1000_hash_mc_addr_vf - Generate a multicast hash value
+ *  @hw: pointer to the HW structure
+ *  @mc_addr: pointer to a multicast address
+ *
+ *  Generates a multicast address hash value which is used to determine
+ *  the multicast filter table array address and new table value.
+ **/
+static u32 e1000_hash_mc_addr_vf(struct e1000_hw *hw, u8 *mc_addr)
+{
+	u32 hash_value, hash_mask;
+	u8 bit_shift = 0;
+
+	DEBUGFUNC("e1000_hash_mc_addr_generic");
+
+	/* Register count multiplied by bits per register */
+	hash_mask = (hw->mac.mta_reg_count * 32) - 1;
+
+	/*
+	 * The bit_shift is the number of left-shifts
+	 * where 0xFF would still fall within the hash mask.
+	 */
+	while (hash_mask >> bit_shift != 0xFF)
+		bit_shift++;
+
+	hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) |
+	                          (((u16) mc_addr[5]) << bit_shift)));
+
+	return hash_value;
+}
+
+/**
+ *  e1000_update_mc_addr_list_vf - Update Multicast addresses
+ *  @hw: pointer to the HW structure
+ *  @mc_addr_list: array of multicast addresses to program
+ *  @mc_addr_count: number of multicast addresses to program
+ *
+ *  Updates the Multicast Table Array.
+ *  The caller must have a packed mc_addr_list of multicast addresses.
+ **/
+void e1000_update_mc_addr_list_vf(struct e1000_hw *hw,
+                                  u8 *mc_addr_list, u32 mc_addr_count)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	u32 msgbuf[E1000_VFMAILBOX_SIZE];
+	u16 *hash_list = (u16 *)&msgbuf[1];
+	u32 hash_value;
+	u32 i;
+
+	DEBUGFUNC("e1000_update_mc_addr_list_vf");
+
+	/* Each entry in the list uses 1 16 bit word.  We have 30
+	 * 16 bit words available in our HW msg buffer (minus 1 for the
+	 * msg type).  That's 30 hash values if we pack 'em right.  If
+	 * there are more than 30 MC addresses to add then punt the
+	 * extras for now and then add code to handle more than 30 later.
+	 * It would be unusual for a server to request that many multi-cast
+	 * addresses except for in large enterprise network environments.
+	 */
+
+	DEBUGOUT1("MC Addr Count = %d\n", mc_addr_count);
+
+	if (mc_addr_count > 30) {
+		msgbuf[0] |= E1000_VF_SET_MULTICAST_OVERFLOW;
+		mc_addr_count = 30;
+	}
+
+	msgbuf[0] = E1000_VF_SET_MULTICAST;
+	msgbuf[0] |= mc_addr_count << E1000_VT_MSGINFO_SHIFT;
+
+	for (i = 0; i < mc_addr_count; i++) {
+		hash_value = e1000_hash_mc_addr_vf(hw, mc_addr_list);
+		DEBUGOUT1("Hash value = 0x%03X\n", hash_value);
+		hash_list[i] = hash_value & 0x0FFF;
+		mc_addr_list += ETH_ADDR_LEN;
+	}
+
+	mbx->ops.write_posted(hw, msgbuf, E1000_VFMAILBOX_SIZE, 0);
+}
+
+/**
+ *  e1000_vfta_set_vf - Set/Unset vlan filter table address
+ *  @hw: pointer to the HW structure
+ *  @vid: determines the vfta register and bit to set/unset
+ *  @set: if TRUE then set bit, else clear bit
+ **/
+void e1000_vfta_set_vf(struct e1000_hw *hw, u16 vid, bool set)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	u32 msgbuf[2];
+
+	msgbuf[0] = E1000_VF_SET_VLAN;
+	msgbuf[1] = vid;
+	/* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
+	if (set)
+		msgbuf[0] |= E1000_VF_SET_VLAN_ADD;
+
+	mbx->ops.write_posted(hw, msgbuf, 2, 0);
+}
+
+/** e1000_rlpml_set_vf - Set the maximum receive packet length
+ *  @hw: pointer to the HW structure
+ *  @max_size: value to assign to max frame size
+ **/
+void e1000_rlpml_set_vf(struct e1000_hw *hw, u16 max_size)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	u32 msgbuf[2];
+
+	msgbuf[0] = E1000_VF_SET_LPE;
+	msgbuf[1] = max_size;
+
+	mbx->ops.write_posted(hw, msgbuf, 2, 0);
+}
+
+/**
+ *  e1000_promisc_set_vf - Set flags for Unicast or Multicast promisc
+ *  @hw: pointer to the HW structure
+ *  @uni: boolean indicating unicast promisc status
+ *  @multi: boolean indicating multicast promisc status
+ **/
+s32 e1000_promisc_set_vf(struct e1000_hw *hw, enum e1000_promisc_type type)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	u32 msgbuf = E1000_VF_SET_PROMISC;
+	s32 ret_val;
+
+	switch (type) {
+	case e1000_promisc_multicast:
+		msgbuf |= E1000_VF_SET_PROMISC_MULTICAST;
+		break;
+	case e1000_promisc_enabled:
+		msgbuf |= E1000_VF_SET_PROMISC_MULTICAST;
+	case e1000_promisc_unicast:
+		msgbuf |= E1000_VF_SET_PROMISC_UNICAST;
+	case e1000_promisc_disabled:
+		break;
+	default:
+		return -E1000_ERR_MAC_INIT;
+	}
+
+	 ret_val = mbx->ops.write_posted(hw, &msgbuf, 1, 0);
+
+	if (!ret_val)
+		ret_val = mbx->ops.read_posted(hw, &msgbuf, 1, 0);
+
+	if (!ret_val && !(msgbuf & E1000_VT_MSGTYPE_ACK))
+		ret_val = -E1000_ERR_MAC_INIT;
+
+	return ret_val;
+}
+
+/**
+ *  e1000_read_mac_addr_vf - Read device MAC address
+ *  @hw: pointer to the HW structure
+ **/
+static s32 e1000_read_mac_addr_vf(struct e1000_hw *hw)
+{
+	int i;
+
+	for (i = 0; i < ETH_ADDR_LEN; i++)
+		hw->mac.addr[i] = hw->mac.perm_addr[i];
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_check_for_link_vf - Check for link for a virtual interface
+ *  @hw: pointer to the HW structure
+ *
+ *  Checks to see if the underlying PF is still talking to the VF and
+ *  if it is then it reports the link state to the hardware, otherwise
+ *  it reports link down and returns an error.
+ **/
+static s32 e1000_check_for_link_vf(struct e1000_hw *hw)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	struct e1000_mac_info *mac = &hw->mac;
+	s32 ret_val = E1000_SUCCESS;
+	u32 in_msg = 0;
+
+	DEBUGFUNC("e1000_check_for_link_vf");
+
+	/*
+	 * We only want to run this if there has been a rst asserted.
+	 * in this case that could mean a link change, device reset,
+	 * or a virtual function reset
+	 */
+
+	/* If we were hit with a reset drop the link */
+	if (!mbx->ops.check_for_rst(hw, 0))
+		mac->get_link_status = TRUE;
+
+	if (!mac->get_link_status)
+		goto out;
+
+	/* if link status is down no point in checking to see if pf is up */
+	if (!(E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU))
+		goto out;
+
+	/* if the read failed it could just be a mailbox collision, best wait
+	 * until we are called again and don't report an error */
+	if (mbx->ops.read(hw, &in_msg, 1, 0))
+		goto out;
+
+	/* if incoming message isn't clear to send we are waiting on response */
+	if (!(in_msg & E1000_VT_MSGTYPE_CTS)) {
+		/* message is not CTS and is NACK we have lost CTS status */
+		if (in_msg & E1000_VT_MSGTYPE_NACK)
+			ret_val = -E1000_ERR_MAC_INIT;
+		goto out;
+	}
+
+	/* at this point we know the PF is talking to us, check and see if
+	 * we are still accepting timeout or if we had a timeout failure.
+	 * if we failed then we will need to reinit */
+	if (!mbx->timeout) {
+		ret_val = -E1000_ERR_MAC_INIT;
+		goto out;
+	}
+
+	/* if we passed all the tests above then the link is up and we no
+	 * longer need to check for link */
+	mac->get_link_status = FALSE;
+
+out:
+	return ret_val;
+}
+
diff --git a/sys/dev/e1000/e1000_vf.h b/sys/dev/e1000/e1000_vf.h
new file mode 100644
index 0000000..b67bed2
--- /dev/null
+++ b/sys/dev/e1000/e1000_vf.h
@@ -0,0 +1,291 @@
+/******************************************************************************
+
+  Copyright (c) 2001-2010, Intel Corporation 
+  All rights reserved.
+  
+  Redistribution and use in source and binary forms, with or without 
+  modification, are permitted provided that the following conditions are met:
+  
+   1. Redistributions of source code must retain the above copyright notice, 
+      this list of conditions and the following disclaimer.
+  
+   2. 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.
+  
+   3. Neither the name of the 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.
+
+******************************************************************************/
+/*$FreeBSD$*/
+
+#ifndef _E1000_VF_H_
+#define _E1000_VF_H_
+
+#include "e1000_osdep.h"
+#include "e1000_regs.h"
+#include "e1000_defines.h"
+
+struct e1000_hw;
+
+#define E1000_DEV_ID_82576_VF                 0x10CA
+
+#define E1000_VF_INIT_TIMEOUT 200 /* Number of retries to clear RSTI */
+
+/* Additional Descriptor Control definitions */
+#define E1000_TXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Tx Queue */
+#define E1000_RXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Rx Queue */
+
+/* SRRCTL bit definitions */
+#define E1000_SRRCTL_BSIZEPKT_SHIFT                     10 /* Shift _right_ */
+#define E1000_SRRCTL_BSIZEHDRSIZE_MASK                  0x00000F00
+#define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT                 2  /* Shift _left_ */
+#define E1000_SRRCTL_DESCTYPE_LEGACY                    0x00000000
+#define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF                0x02000000
+#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT                 0x04000000
+#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS          0x0A000000
+#define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION           0x06000000
+#define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
+#define E1000_SRRCTL_DESCTYPE_MASK                      0x0E000000
+#define E1000_SRRCTL_DROP_EN                            0x80000000
+
+#define E1000_SRRCTL_BSIZEPKT_MASK      0x0000007F
+#define E1000_SRRCTL_BSIZEHDR_MASK      0x00003F00
+
+/* Interrupt Defines */
+#define E1000_EICR     0x01580  /* Ext. Interrupt Cause Read - R/clr */
+#define E1000_EITR(_n) (0x01680 + ((_n) << 2))
+#define E1000_EICS     0x01520  /* Ext. Interrupt Cause Set - W0 */
+#define E1000_EIMS     0x01524  /* Ext. Interrupt Mask Set/Read - RW */
+#define E1000_EIMC     0x01528  /* Ext. Interrupt Mask Clear - WO */
+#define E1000_EIAC     0x0152C  /* Ext. Interrupt Auto Clear - RW */
+#define E1000_EIAM     0x01530  /* Ext. Interrupt Ack Auto Clear Mask - RW */
+#define E1000_IVAR0    0x01700  /* Interrupt Vector Allocation (array) - RW */
+#define E1000_IVAR_MISC 0x01740 /* IVAR for "other" causes - RW */
+#define E1000_IVAR_VALID        0x80
+
+/* Receive Descriptor - Advanced */
+union e1000_adv_rx_desc {
+	struct {
+		u64 pkt_addr;             /* Packet buffer address */
+		u64 hdr_addr;             /* Header buffer address */
+	} read;
+	struct {
+		struct {
+			union {
+				u32 data;
+				struct {
+					u16 pkt_info; /* RSS type, Packet type */
+					u16 hdr_info; /* Split Header,
+				        	       * header buffer length */
+				} hs_rss;
+			} lo_dword;
+			union {
+				u32 rss;          /* RSS Hash */
+				struct {
+					u16 ip_id;    /* IP id */
+					u16 csum;     /* Packet Checksum */
+				} csum_ip;
+			} hi_dword;
+		} lower;
+		struct {
+			u32 status_error;     /* ext status/error */
+			u16 length;           /* Packet length */
+			u16 vlan;             /* VLAN tag */
+		} upper;
+	} wb;  /* writeback */
+};
+
+#define E1000_RXDADV_HDRBUFLEN_MASK      0x7FE0
+#define E1000_RXDADV_HDRBUFLEN_SHIFT     5
+
+/* Transmit Descriptor - Advanced */
+union e1000_adv_tx_desc {
+	struct {
+		u64 buffer_addr;    /* Address of descriptor's data buf */
+		u32 cmd_type_len;
+		u32 olinfo_status;
+	} read;
+	struct {
+		u64 rsvd;       /* Reserved */
+		u32 nxtseq_seed;
+		u32 status;
+	} wb;
+};
+
+/* Adv Transmit Descriptor Config Masks */
+#define E1000_ADVTXD_DTYP_CTXT    0x00200000 /* Advanced Context Descriptor */
+#define E1000_ADVTXD_DTYP_DATA    0x00300000 /* Advanced Data Descriptor */
+#define E1000_ADVTXD_DCMD_EOP     0x01000000 /* End of Packet */
+#define E1000_ADVTXD_DCMD_IFCS    0x02000000 /* Insert FCS (Ethernet CRC) */
+#define E1000_ADVTXD_DCMD_RS      0x08000000 /* Report Status */
+#define E1000_ADVTXD_DCMD_DEXT    0x20000000 /* Descriptor extension (1=Adv) */
+#define E1000_ADVTXD_DCMD_VLE     0x40000000 /* VLAN pkt enable */
+#define E1000_ADVTXD_DCMD_TSE     0x80000000 /* TCP Seg enable */
+#define E1000_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */
+
+/* Context descriptors */
+struct e1000_adv_tx_context_desc {
+	u32 vlan_macip_lens;
+	u32 seqnum_seed;
+	u32 type_tucmd_mlhl;
+	u32 mss_l4len_idx;
+};
+
+#define E1000_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
+#define E1000_ADVTXD_TUCMD_IPV4    0x00000400  /* IP Packet Type: 1=IPv4 */
+#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800  /* L4 Packet TYPE of TCP */
+#define E1000_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
+#define E1000_ADVTXD_MSS_SHIFT      16  /* Adv ctxt MSS shift */
+
+enum e1000_mac_type {
+	e1000_undefined = 0,
+	e1000_vfadapt,
+	e1000_num_macs  /* List is 1-based, so subtract 1 for TRUE count. */
+};
+
+struct e1000_vf_stats {
+	u64 base_gprc;
+	u64 base_gptc;
+	u64 base_gorc;
+	u64 base_gotc;
+	u64 base_mprc;
+	u64 base_gotlbc;
+	u64 base_gptlbc;
+	u64 base_gorlbc;
+	u64 base_gprlbc;
+
+	u32 last_gprc;
+	u32 last_gptc;
+	u32 last_gorc;
+	u32 last_gotc;
+	u32 last_mprc;
+	u32 last_gotlbc;
+	u32 last_gptlbc;
+	u32 last_gorlbc;
+	u32 last_gprlbc;
+
+	u64 gprc;
+	u64 gptc;
+	u64 gorc;
+	u64 gotc;
+	u64 mprc;
+	u64 gotlbc;
+	u64 gptlbc;
+	u64 gorlbc;
+	u64 gprlbc;
+};
+
+#include "e1000_mbx.h"
+
+struct e1000_mac_operations {
+	/* Function pointers for the MAC. */
+	s32  (*init_params)(struct e1000_hw *);
+	s32  (*check_for_link)(struct e1000_hw *);
+	void (*clear_vfta)(struct e1000_hw *);
+	s32  (*get_bus_info)(struct e1000_hw *);
+	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
+	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
+	s32  (*reset_hw)(struct e1000_hw *);
+	s32  (*init_hw)(struct e1000_hw *);
+	s32  (*setup_link)(struct e1000_hw *);
+	void (*write_vfta)(struct e1000_hw *, u32, u32);
+	void (*rar_set)(struct e1000_hw *, u8*, u32);
+	s32  (*read_mac_addr)(struct e1000_hw *);
+};
+
+struct e1000_mac_info {
+	struct e1000_mac_operations ops;
+	u8 addr[6];
+	u8 perm_addr[6];
+
+	enum e1000_mac_type type;
+
+	u16 mta_reg_count;
+	u16 rar_entry_count;
+
+	bool get_link_status;
+};
+
+struct e1000_mbx_operations {
+	s32 (*init_params)(struct e1000_hw *hw);
+	s32 (*read)(struct e1000_hw *, u32 *, u16,  u16);
+	s32 (*write)(struct e1000_hw *, u32 *, u16, u16);
+	s32 (*read_posted)(struct e1000_hw *, u32 *, u16,  u16);
+	s32 (*write_posted)(struct e1000_hw *, u32 *, u16, u16);
+	s32 (*check_for_msg)(struct e1000_hw *, u16);
+	s32 (*check_for_ack)(struct e1000_hw *, u16);
+	s32 (*check_for_rst)(struct e1000_hw *, u16);
+};
+
+struct e1000_mbx_stats {
+	u32 msgs_tx;
+	u32 msgs_rx;
+
+	u32 acks;
+	u32 reqs;
+	u32 rsts;
+};
+
+struct e1000_mbx_info {
+	struct e1000_mbx_operations ops;
+	struct e1000_mbx_stats stats;
+	u32 timeout;
+	u32 usec_delay;
+	u16 size;
+};
+
+struct e1000_dev_spec_vf {
+	u32	vf_number;
+	u32	v2p_mailbox;
+};
+
+struct e1000_hw {
+	void *back;
+
+	u8 *hw_addr;
+	u8 *flash_address;
+	unsigned long io_base;
+
+	struct e1000_mac_info  mac;
+	struct e1000_mbx_info mbx;
+
+	union {
+		struct e1000_dev_spec_vf	vf;
+	} dev_spec;
+
+	u16 device_id;
+	u16 subsystem_vendor_id;
+	u16 subsystem_device_id;
+	u16 vendor_id;
+
+	u8  revision_id;
+};
+
+enum e1000_promisc_type {
+	e1000_promisc_disabled = 0,   /* all promisc modes disabled */
+	e1000_promisc_unicast = 1,    /* unicast promiscuous enabled */
+	e1000_promisc_multicast = 2,  /* multicast promiscuous enabled */
+	e1000_promisc_enabled = 3,    /* both uni and multicast promisc */
+	e1000_num_promisc_types
+};
+
+/* These functions must be implemented by drivers */
+s32  e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
+void e1000_vfta_set_vf(struct e1000_hw *, u16, bool);
+void e1000_rlpml_set_vf(struct e1000_hw *, u16);
+s32 e1000_promisc_set_vf(struct e1000_hw *, enum e1000_promisc_type);
+#endif /* _E1000_VF_H_ */
diff --git a/sys/dev/e1000/if_igb.c b/sys/dev/e1000/if_igb.c
index 4a0ad6b..f815574 100644
--- a/sys/dev/e1000/if_igb.c
+++ b/sys/dev/e1000/if_igb.c
@@ -4853,7 +4853,6 @@ igb_update_stats_counters(struct adapter *adapter)
 	stats->cexterr += E1000_READ_REG(hw, E1000_CEXTERR);
 	stats->tsctc += E1000_READ_REG(hw, E1000_TSCTC);
 	stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
-	ifp = adapter->ifp;
 
 	ifp = adapter->ifp;
 	ifp->if_collisions = stats->colc;
@@ -4875,7 +4874,7 @@ igb_update_stats_counters(struct adapter *adapter)
 	adapter->packet_buf_alloc_tx =
 	    ((E1000_READ_REG(hw, E1000_PBA) & 0xffff0000) >> 16);
 	adapter->packet_buf_alloc_rx =
-	    ((E1000_READ_REG(hw, E1000_PBA) & 0xffff);
+	    (E1000_READ_REG(hw, E1000_PBA) & 0xffff);
 }
 
 
@@ -4943,7 +4942,7 @@ igb_add_hw_stats(struct adapter *adapter)
 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev);
 	struct sysctl_oid *tree = device_get_sysctl_tree(dev);
 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
-	struct e1000_hw_stats *stats = &adapter->stats;
+	struct e1000_hw_stats *stats = adapter->stats;
 
 	struct sysctl_oid *stat_node, *queue_node, *int_node, *host_node;
 	struct sysctl_oid_list *stat_list, *queue_list, *int_list, *host_list;
@@ -4994,14 +4993,10 @@ igb_add_hw_stats(struct adapter *adapter)
 		queue_list = SYSCTL_CHILDREN(queue_node);
 
 		SYSCTL_ADD_UINT(ctx, queue_list, OID_AUTO, "txd_head",
-				CTLFLAG_RD,
-				E1000_READ_REG(&adapter->hw,
-				E1000_TDH(txr->me)), 0,
+				CTLFLAG_RD, &txr->tdh, 0,
 				"Transmit Descriptor Head");
 		SYSCTL_ADD_UINT(ctx, queue_list, OID_AUTO, "txd_tail",
-				CTLFLAG_RD,
-				E1000_READ_REG(&adapter->hw,
-				E1000_TDT(txr->me))), 0,
+				CTLFLAG_RD, &txr->tdt, 0,
 				"Transmit Descriptor Tail");
 		SYSCTL_ADD_QUAD(ctx, queue_list, OID_AUTO, "no_desc_avail", 
 				CTLFLAG_RD, &txr->no_desc_avail,
@@ -5056,19 +5051,19 @@ igb_add_hw_stats(struct adapter *adapter)
 	*/
 	if (adapter->hw.mac.type == e1000_vfadapt) {
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "good_pkts_recvd",
-			CTLFLAG_RD, &adapter->stats.gprc,
+			CTLFLAG_RD, &stats->gprc,
 			"Good Packets Received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "good_pkts_txd",
-			CTLFLAG_RD, &adapter->stats.gptc,
+			CTLFLAG_RD, &stats->gptc,
 			"Good Packets Transmitted");
  	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "good_octets_recvd", 
- 			CTLFLAG_RD, &adapter->stats.gorc, 
+ 			CTLFLAG_RD, &stats->gorc, 
  			"Good Octets Received"); 
  	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "good_octest_txd", 
- 			CTLFLAG_RD, &adapter->stats.gotc, 
+ 			CTLFLAG_RD, &stats->gotc, 
  			"Good Octest Transmitted"); 
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_recvd",
-			CTLFLAG_RD, &adapter->stats.mprc,
+			CTLFLAG_RD, &stats->mprc,
 			"Multicast Packets Received");
 		return;
 	}
@@ -5089,44 +5084,44 @@ igb_add_hw_stats(struct adapter *adapter)
 			CTLFLAG_RD, &stats->colc,
 			"Collision Count");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "symbol_errors",
-			CTLFLAG_RD, &adapter->stats.symerrs,
+			CTLFLAG_RD, &stats->symerrs,
 			"Symbol Errors");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "sequence_errors",
-			CTLFLAG_RD, &adapter->stats.sec,
+			CTLFLAG_RD, &stats->sec,
 			"Sequence Errors");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "defer_count",
-			CTLFLAG_RD, &adapter->stats.dc,
+			CTLFLAG_RD, &stats->dc,
 			"Defer Count");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "missed_packets",
-			CTLFLAG_RD, &adapter->stats.mpc,
+			CTLFLAG_RD, &stats->mpc,
 			"Missed Packets");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "recv_no_buff",
-			CTLFLAG_RD, &adapter->stats.rnbc,
+			CTLFLAG_RD, &stats->rnbc,
 			"Receive No Buffers");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "recv_undersize",
-			CTLFLAG_RD, &adapter->stats.ruc,
+			CTLFLAG_RD, &stats->ruc,
 			"Receive Undersize");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "recv_fragmented",
-			CTLFLAG_RD, &adapter->stats.rfc,
+			CTLFLAG_RD, &stats->rfc,
 			"Fragmented Packets Received ");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "recv_oversize",
-			CTLFLAG_RD, &adapter->stats.roc,
+			CTLFLAG_RD, &stats->roc,
 			"Oversized Packets Received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "recv_jabber",
-			CTLFLAG_RD, &adapter->stats.rjc,
+			CTLFLAG_RD, &stats->rjc,
 			"Recevied Jabber");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "recv_errs",
-			CTLFLAG_RD, &adapter->stats.rxerrc,
+			CTLFLAG_RD, &stats->rxerrc,
 			"Receive Errors");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "crc_errs",
-			CTLFLAG_RD, &adapter->stats.crcerrs,
+			CTLFLAG_RD, &stats->crcerrs,
 			"CRC errors");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "alignment_errs",
-			CTLFLAG_RD, &adapter->stats.algnerrc,
+			CTLFLAG_RD, &stats->algnerrc,
 			"Alignment Errors");
 	/* On 82575 these are collision counts */
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "coll_ext_errs",
-			CTLFLAG_RD, &adapter->stats.cexterr,
+			CTLFLAG_RD, &stats->cexterr,
 			"Collision/Carrier extension errors");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "rx_overruns",
 			CTLFLAG_RD, &adapter->rx_overruns,
@@ -5135,91 +5130,91 @@ igb_add_hw_stats(struct adapter *adapter)
 			CTLFLAG_RD, &adapter->watchdog_events,
 			"Watchdog timeouts");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "xon_recvd",
-			CTLFLAG_RD, &adapter->stats.xonrxc,
+			CTLFLAG_RD, &stats->xonrxc,
 			"XON Received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "xon_txd",
-			CTLFLAG_RD, &adapter->stats.xontxc,
+			CTLFLAG_RD, &stats->xontxc,
 			"XON Transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "xoff_recvd",
-			CTLFLAG_RD, &adapter->stats.xoffrxc,
+			CTLFLAG_RD, &stats->xoffrxc,
 			"XOFF Received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "xoff_txd",
-			CTLFLAG_RD, &adapter->stats.xofftxc,
+			CTLFLAG_RD, &stats->xofftxc,
 			"XOFF Transmitted");
 	/* Packet Reception Stats */
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "total_pkts_recvd",
-			CTLFLAG_RD, &adapter->stats.tpr,
+			CTLFLAG_RD, &stats->tpr,
 			"Total Packets Received ");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "good_pkts_recvd",
-			CTLFLAG_RD, &adapter->stats.gprc,
+			CTLFLAG_RD, &stats->gprc,
 			"Good Packets Received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_recvd",
-			CTLFLAG_RD, &adapter->stats.bprc,
+			CTLFLAG_RD, &stats->bprc,
 			"Broadcast Packets Received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_recvd",
-			CTLFLAG_RD, &adapter->stats.mprc,
+			CTLFLAG_RD, &stats->mprc,
 			"Multicast Packets Received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "rx_frames_64",
-			CTLFLAG_RD, &adapter->stats.prc64,
+			CTLFLAG_RD, &stats->prc64,
 			"64 byte frames received ");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "rx_frames_65_127",
-			CTLFLAG_RD, &adapter->stats.prc127,
+			CTLFLAG_RD, &stats->prc127,
 			"65-127 byte frames received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "rx_frames_128_255",
-			CTLFLAG_RD, &adapter->stats.prc255,
+			CTLFLAG_RD, &stats->prc255,
 			"128-255 byte frames received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "rx_frames_256_511",
-			CTLFLAG_RD, &adapter->stats.prc511,
+			CTLFLAG_RD, &stats->prc511,
 			"256-511 byte frames received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "rx_frames_512_1023",
-			CTLFLAG_RD, &adapter->stats.prc1023,
+			CTLFLAG_RD, &stats->prc1023,
 			"512-1023 byte frames received");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "rx_frames_1024_1522",
-			CTLFLAG_RD, &adapter->stats.prc1522,
+			CTLFLAG_RD, &stats->prc1522,
 			"1023-1522 byte frames received");
  	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "good_octets_recvd", 
- 			CTLFLAG_RD, &adapter->stats.gorc, 
+ 			CTLFLAG_RD, &stats->gorc, 
  			"Good Octets Received"); 
 
 	/* Packet Transmission Stats */
  	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "good_octest_txd", 
- 			CTLFLAG_RD, &adapter->stats.gotc, 
+ 			CTLFLAG_RD, &stats->gotc, 
  			"Good Octest Transmitted"); 
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "total_pkts_txd",
-			CTLFLAG_RD, &adapter->stats.tpt,
+			CTLFLAG_RD, &stats->tpt,
 			"Total Packets Transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "good_pkts_txd",
-			CTLFLAG_RD, &adapter->stats.gptc,
+			CTLFLAG_RD, &stats->gptc,
 			"Good Packets Transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_txd",
-			CTLFLAG_RD, &adapter->stats.bptc,
+			CTLFLAG_RD, &stats->bptc,
 			"Broadcast Packets Transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_txd",
-			CTLFLAG_RD, &adapter->stats.mptc,
+			CTLFLAG_RD, &stats->mptc,
 			"Multicast Packets Transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "tx_frames_64",
-			CTLFLAG_RD, &adapter->stats.ptc64,
+			CTLFLAG_RD, &stats->ptc64,
 			"64 byte frames transmitted ");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "tx_frames_65_127",
-			CTLFLAG_RD, &adapter->stats.ptc127,
+			CTLFLAG_RD, &stats->ptc127,
 			"65-127 byte frames transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "tx_frames_128_255",
-			CTLFLAG_RD, &adapter->stats.ptc255,
+			CTLFLAG_RD, &stats->ptc255,
 			"128-255 byte frames transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "tx_frames_256_511",
-			CTLFLAG_RD, &adapter->stats.ptc511,
+			CTLFLAG_RD, &stats->ptc511,
 			"256-511 byte frames transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "tx_frames_512_1023",
-			CTLFLAG_RD, &adapter->stats.ptc1023,
+			CTLFLAG_RD, &stats->ptc1023,
 			"512-1023 byte frames transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "tx_frames_1024_1522",
-			CTLFLAG_RD, &adapter->stats.ptc1522,
+			CTLFLAG_RD, &stats->ptc1522,
 			"1024-1522 byte frames transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "tso_txd",
-			CTLFLAG_RD, &adapter->stats.tsctc,
+			CTLFLAG_RD, &stats->tsctc,
 			"TSO Contexts Transmitted");
 	SYSCTL_ADD_QUAD(ctx, stat_list, OID_AUTO, "tso_ctx_fail",
-			CTLFLAG_RD, &adapter->stats.tsctfc,
+			CTLFLAG_RD, &stats->tsctfc,
 			"TSO Contexts Failed");
 
 
@@ -5230,39 +5225,39 @@ igb_add_hw_stats(struct adapter *adapter)
 	int_list = SYSCTL_CHILDREN(int_node);
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "asserts",
-			CTLFLAG_RD, &adapter->stats.iac,
+			CTLFLAG_RD, &stats->iac,
 			"Interrupt Assertion Count");
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "rx_pkt_timer",
-			CTLFLAG_RD, &adapter->stats.icrxptc,
+			CTLFLAG_RD, &stats->icrxptc,
 			"Interrupt Cause Rx Pkt Timer Expire Count");
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "rx_abs_timer",
-			CTLFLAG_RD, &adapter->stats.icrxatc,
+			CTLFLAG_RD, &stats->icrxatc,
 			"Interrupt Cause Rx Abs Timer Expire Count");
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "tx_pkt_timer",
-			CTLFLAG_RD, &adapter->stats.ictxptc,
+			CTLFLAG_RD, &stats->ictxptc,
 			"Interrupt Cause Tx Pkt Timer Expire Count");
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "tx_abs_timer",
-			CTLFLAG_RD, &adapter->stats.ictxatc,
+			CTLFLAG_RD, &stats->ictxatc,
 			"Interrupt Cause Tx Abs Timer Expire Count");
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "tx_queue_empty",
-			CTLFLAG_RD, &adapter->stats.ictxqec,
+			CTLFLAG_RD, &stats->ictxqec,
 			"Interrupt Cause Tx Queue Empty Count");
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "tx_queue_min_thresh",
-			CTLFLAG_RD, &adapter->stats.ictxqmtc,
+			CTLFLAG_RD, &stats->ictxqmtc,
 			"Interrupt Cause Tx Queue Min Thresh Count");
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "rx_desc_min_thresh",
-			CTLFLAG_RD, &adapter->stats.icrxdmtc,
+			CTLFLAG_RD, &stats->icrxdmtc,
 			"Interrupt Cause Rx Desc Min Thresh Count");
 
 	SYSCTL_ADD_QUAD(ctx, int_list, OID_AUTO, "rx_overrun",
-			CTLFLAG_RD, &adapter->stats.icrxoc,
+			CTLFLAG_RD, &stats->icrxoc,
 			"Interrupt Cause Receiver Overrun Count");
 
 	/* Host to Card Stats */
@@ -5274,51 +5269,51 @@ igb_add_hw_stats(struct adapter *adapter)
 	host_list = SYSCTL_CHILDREN(host_node);
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "breaker_tx_pkt",
-			CTLFLAG_RD, &adapter->stats.cbtmpc,
+			CTLFLAG_RD, &stats->cbtmpc,
 			"Circuit Breaker Tx Packet Count");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "host_tx_pkt_discard",
-			CTLFLAG_RD, &adapter->stats.htdpmc,
+			CTLFLAG_RD, &stats->htdpmc,
 			"Host Transmit Discarded Packets");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "rx_pkt",
-			CTLFLAG_RD, &adapter->stats.rpthc,
+			CTLFLAG_RD, &stats->rpthc,
 			"Rx Packets To Host");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "breaker_rx_pkts",
-			CTLFLAG_RD, &adapter->stats.cbrmpc,
+			CTLFLAG_RD, &stats->cbrmpc,
 			"Circuit Breaker Rx Packet Count");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "breaker_rx_pkt_drop",
-			CTLFLAG_RD, &adapter->stats.cbrdpc,
+			CTLFLAG_RD, &stats->cbrdpc,
 			"Circuit Breaker Rx Dropped Count");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "tx_good_pkt",
-			CTLFLAG_RD, &adapter->stats.hgptc,
+			CTLFLAG_RD, &stats->hgptc,
 			"Host Good Packets Tx Count");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "breaker_tx_pkt_drop",
-			CTLFLAG_RD, &adapter->stats.htcbdpc,
+			CTLFLAG_RD, &stats->htcbdpc,
 			"Host Tx Circuit Breaker Dropped Count");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "rx_good_bytes",
-			CTLFLAG_RD, &adapter->stats.hgorc,
+			CTLFLAG_RD, &stats->hgorc,
 			"Host Good Octets Received Count");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "tx_good_bytes",
-			CTLFLAG_RD, &adapter->stats.hgotc,
+			CTLFLAG_RD, &stats->hgotc,
 			"Host Good Octets Transmit Count");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "length_errors",
-			CTLFLAG_RD, &adapter->stats.lenerrs,
+			CTLFLAG_RD, &stats->lenerrs,
 			"Length Errors");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "serdes_violation_pkt",
-			CTLFLAG_RD, &adapter->stats.scvpc,
+			CTLFLAG_RD, &stats->scvpc,
 			"SerDes/SGMII Code Violation Pkt Count");
 
 	SYSCTL_ADD_QUAD(ctx, host_list, OID_AUTO, "header_redir_missed",
-			CTLFLAG_RD, &adapter->stats.hrmpc,
+			CTLFLAG_RD, &stats->hrmpc,
 			"Header Redirection Missed Packet Count");
 }
 
diff --git a/sys/dev/e1000/if_igb.h b/sys/dev/e1000/if_igb.h
index 2abc5e1..4388e07 100644
--- a/sys/dev/e1000/if_igb.h
+++ b/sys/dev/e1000/if_igb.h
@@ -316,6 +316,8 @@ struct tx_ring {
 
 	bool			watchdog_check;
 	int			watchdog_time;
+	int			tdt;
+	int			tdh;
 	u64			no_desc_avail;
 	u64			tx_packets;
 };
@@ -348,6 +350,8 @@ struct rx_ring {
 
 	u32			bytes;
 	u32			packets;
+	int			rdt;
+	int			rdh;
 
 	/* Soft stats */
 	u64			rx_split_packets;
@@ -504,6 +508,18 @@ struct igb_rx_buf {
 	cur |= new;				\
 }
 
+#if __FreeBSD_version < 800504
+static __inline int
+drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br)
+{
+#ifdef ALTQ
+	if (ALTQ_IS_ENABLED(&ifp->if_snd))
+		return (1);
+#endif
+	return (!buf_ring_empty(br));
+}
+#endif
+
 #endif /* _IGB_H_DEFINED_ */