[dpdk-dev] [PATCH v6 16/19] net/ngbe: add device start and stop operations

[Jiawen Wu <jiawenwu@trustnetic.com>]

Setup MSI-X interrupt, complete PHY configuration and set device link
speed to start device. Disable interrupt, stop hardware and clear queues
to stop device.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/ngbe/base/ngbe_dummy.h   |  16 +
 drivers/net/ngbe/base/ngbe_hw.c      |  49 +++
 drivers/net/ngbe/base/ngbe_hw.h      |   4 +
 drivers/net/ngbe/base/ngbe_phy.c     |   3 +
 drivers/net/ngbe/base/ngbe_phy_mvl.c |  64 ++++
 drivers/net/ngbe/base/ngbe_phy_mvl.h |   1 +
 drivers/net/ngbe/base/ngbe_phy_rtl.c |  58 ++++
 drivers/net/ngbe/base/ngbe_phy_rtl.h |   2 +
 drivers/net/ngbe/base/ngbe_phy_yt.c  |  26 ++
 drivers/net/ngbe/base/ngbe_phy_yt.h  |   1 +
 drivers/net/ngbe/base/ngbe_type.h    |   9 +
 drivers/net/ngbe/ngbe_ethdev.c       | 473 ++++++++++++++++++++++++++-
 drivers/net/ngbe/ngbe_ethdev.h       |  17 +
 drivers/net/ngbe/ngbe_rxtx.c         |  59 ++++
 14 files changed, 781 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ngbe/base/ngbe_dummy.h b/drivers/net/ngbe/base/ngbe_dummy.h
index 709e01659c..dfc7b13192 100644
--- a/drivers/net/ngbe/base/ngbe_dummy.h
+++ b/drivers/net/ngbe/base/ngbe_dummy.h
@@ -47,6 +47,10 @@ static inline s32 ngbe_mac_reset_hw_dummy(struct ngbe_hw *TUP0)
 {
 	return NGBE_ERR_OPS_DUMMY;
 }
+static inline s32 ngbe_mac_start_hw_dummy(struct ngbe_hw *TUP0)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
 static inline s32 ngbe_mac_stop_hw_dummy(struct ngbe_hw *TUP0)
 {
 	return NGBE_ERR_OPS_DUMMY;
@@ -74,6 +78,11 @@ static inline s32 ngbe_mac_check_link_dummy(struct ngbe_hw *TUP0, u32 *TUP1,
 {
 	return NGBE_ERR_OPS_DUMMY;
 }
+static inline s32 ngbe_mac_get_link_capabilities_dummy(struct ngbe_hw *TUP0,
+					u32 *TUP1, bool *TUP2)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
 static inline s32 ngbe_mac_set_rar_dummy(struct ngbe_hw *TUP0, u32 TUP1,
 					u8 *TUP2, u32 TUP3, u32 TUP4)
 {
@@ -110,6 +119,10 @@ static inline s32 ngbe_phy_identify_dummy(struct ngbe_hw *TUP0)
 {
 	return NGBE_ERR_OPS_DUMMY;
 }
+static inline s32 ngbe_phy_init_hw_dummy(struct ngbe_hw *TUP0)
+{
+	return NGBE_ERR_OPS_DUMMY;
+}
 static inline s32 ngbe_phy_reset_hw_dummy(struct ngbe_hw *TUP0)
 {
 	return NGBE_ERR_OPS_DUMMY;
@@ -151,12 +164,14 @@ static inline void ngbe_init_ops_dummy(struct ngbe_hw *hw)
 	hw->rom.validate_checksum = ngbe_rom_validate_checksum_dummy;
 	hw->mac.init_hw = ngbe_mac_init_hw_dummy;
 	hw->mac.reset_hw = ngbe_mac_reset_hw_dummy;
+	hw->mac.start_hw = ngbe_mac_start_hw_dummy;
 	hw->mac.stop_hw = ngbe_mac_stop_hw_dummy;
 	hw->mac.get_mac_addr = ngbe_mac_get_mac_addr_dummy;
 	hw->mac.acquire_swfw_sync = ngbe_mac_acquire_swfw_sync_dummy;
 	hw->mac.release_swfw_sync = ngbe_mac_release_swfw_sync_dummy;
 	hw->mac.setup_link = ngbe_mac_setup_link_dummy;
 	hw->mac.check_link = ngbe_mac_check_link_dummy;
+	hw->mac.get_link_capabilities = ngbe_mac_get_link_capabilities_dummy;
 	hw->mac.set_rar = ngbe_mac_set_rar_dummy;
 	hw->mac.clear_rar = ngbe_mac_clear_rar_dummy;
 	hw->mac.set_vmdq = ngbe_mac_set_vmdq_dummy;
@@ -165,6 +180,7 @@ static inline void ngbe_init_ops_dummy(struct ngbe_hw *hw)
 	hw->mac.init_thermal_sensor_thresh = ngbe_mac_init_thermal_ssth_dummy;
 	hw->mac.check_overtemp = ngbe_mac_check_overtemp_dummy;
 	hw->phy.identify = ngbe_phy_identify_dummy;
+	hw->phy.init_hw = ngbe_phy_init_hw_dummy;
 	hw->phy.reset_hw = ngbe_phy_reset_hw_dummy;
 	hw->phy.read_reg = ngbe_phy_read_reg_dummy;
 	hw->phy.write_reg = ngbe_phy_write_reg_dummy;
diff --git a/drivers/net/ngbe/base/ngbe_hw.c b/drivers/net/ngbe/base/ngbe_hw.c
index 331fc752ff..22ce4e52b9 100644
--- a/drivers/net/ngbe/base/ngbe_hw.c
+++ b/drivers/net/ngbe/base/ngbe_hw.c
@@ -9,6 +9,22 @@
 #include "ngbe_mng.h"
 #include "ngbe_hw.h"
 
+/**
+ *  ngbe_start_hw - Prepare hardware for Tx/Rx
+ *  @hw: pointer to hardware structure
+ *
+ *  Starts the hardware.
+ **/
+s32 ngbe_start_hw(struct ngbe_hw *hw)
+{
+	DEBUGFUNC("ngbe_start_hw");
+
+	/* Clear adapter stopped flag */
+	hw->adapter_stopped = false;
+
+	return 0;
+}
+
 /**
  *  ngbe_init_hw - Generic hardware initialization
  *  @hw: pointer to hardware structure
@@ -27,6 +43,10 @@ s32 ngbe_init_hw(struct ngbe_hw *hw)
 
 	/* Reset the hardware */
 	status = hw->mac.reset_hw(hw);
+	if (status == 0) {
+		/* Start the HW */
+		status = hw->mac.start_hw(hw);
+	}
 
 	if (status != 0)
 		DEBUGOUT("Failed to initialize HW, STATUS = %d\n", status);
@@ -633,6 +653,29 @@ s32 ngbe_check_mac_link_em(struct ngbe_hw *hw, u32 *speed,
 	return status;
 }
 
+s32 ngbe_get_link_capabilities_em(struct ngbe_hw *hw,
+				      u32 *speed,
+				      bool *autoneg)
+{
+	s32 status = 0;
+
+	DEBUGFUNC("\n");
+
+	hw->mac.autoneg = *autoneg;
+
+	switch (hw->sub_device_id) {
+	case NGBE_SUB_DEV_ID_EM_RTL_SGMII:
+		*speed = NGBE_LINK_SPEED_1GB_FULL |
+			NGBE_LINK_SPEED_100M_FULL |
+			NGBE_LINK_SPEED_10M_FULL;
+		break;
+	default:
+		break;
+	}
+
+	return status;
+}
+
 s32 ngbe_setup_mac_link_em(struct ngbe_hw *hw,
 			       u32 speed,
 			       bool autoneg_wait_to_complete)
@@ -842,6 +885,7 @@ s32 ngbe_init_ops_pf(struct ngbe_hw *hw)
 	/* MAC */
 	mac->init_hw = ngbe_init_hw;
 	mac->reset_hw = ngbe_reset_hw_em;
+	mac->start_hw = ngbe_start_hw;
 	mac->get_mac_addr = ngbe_get_mac_addr;
 	mac->stop_hw = ngbe_stop_hw;
 	mac->acquire_swfw_sync = ngbe_acquire_swfw_sync;
@@ -855,6 +899,7 @@ s32 ngbe_init_ops_pf(struct ngbe_hw *hw)
 	mac->clear_vmdq = ngbe_clear_vmdq;
 
 	/* Link */
+	mac->get_link_capabilities = ngbe_get_link_capabilities_em;
 	mac->check_link = ngbe_check_mac_link_em;
 	mac->setup_link = ngbe_setup_mac_link_em;
 
@@ -871,6 +916,10 @@ s32 ngbe_init_ops_pf(struct ngbe_hw *hw)
 	mac->max_rx_queues	= NGBE_EM_MAX_RX_QUEUES;
 	mac->max_tx_queues	= NGBE_EM_MAX_TX_QUEUES;
 
+	mac->default_speeds = NGBE_LINK_SPEED_10M_FULL |
+				NGBE_LINK_SPEED_100M_FULL |
+				NGBE_LINK_SPEED_1GB_FULL;
+
 	return 0;
 }
 
diff --git a/drivers/net/ngbe/base/ngbe_hw.h b/drivers/net/ngbe/base/ngbe_hw.h
index 1689223168..4fee5735ac 100644
--- a/drivers/net/ngbe/base/ngbe_hw.h
+++ b/drivers/net/ngbe/base/ngbe_hw.h
@@ -14,6 +14,7 @@
 #define NGBE_EM_MC_TBL_SIZE   32
 
 s32 ngbe_init_hw(struct ngbe_hw *hw);
+s32 ngbe_start_hw(struct ngbe_hw *hw);
 s32 ngbe_reset_hw_em(struct ngbe_hw *hw);
 s32 ngbe_stop_hw(struct ngbe_hw *hw);
 s32 ngbe_get_mac_addr(struct ngbe_hw *hw, u8 *mac_addr);
@@ -22,6 +23,9 @@ void ngbe_set_lan_id_multi_port(struct ngbe_hw *hw);
 
 s32 ngbe_check_mac_link_em(struct ngbe_hw *hw, u32 *speed,
 			bool *link_up, bool link_up_wait_to_complete);
+s32 ngbe_get_link_capabilities_em(struct ngbe_hw *hw,
+				      u32 *speed,
+				      bool *autoneg);
 s32 ngbe_setup_mac_link_em(struct ngbe_hw *hw,
 			       u32 speed,
 			       bool autoneg_wait_to_complete);
diff --git a/drivers/net/ngbe/base/ngbe_phy.c b/drivers/net/ngbe/base/ngbe_phy.c
index 471656cc51..0041cc9a90 100644
--- a/drivers/net/ngbe/base/ngbe_phy.c
+++ b/drivers/net/ngbe/base/ngbe_phy.c
@@ -426,16 +426,19 @@ s32 ngbe_init_phy(struct ngbe_hw *hw)
 	/* Set necessary function pointers based on PHY type */
 	switch (hw->phy.type) {
 	case ngbe_phy_rtl:
+		hw->phy.init_hw = ngbe_init_phy_rtl;
 		hw->phy.check_link = ngbe_check_phy_link_rtl;
 		hw->phy.setup_link = ngbe_setup_phy_link_rtl;
 		break;
 	case ngbe_phy_mvl:
 	case ngbe_phy_mvl_sfi:
+		hw->phy.init_hw = ngbe_init_phy_mvl;
 		hw->phy.check_link = ngbe_check_phy_link_mvl;
 		hw->phy.setup_link = ngbe_setup_phy_link_mvl;
 		break;
 	case ngbe_phy_yt8521s:
 	case ngbe_phy_yt8521s_sfi:
+		hw->phy.init_hw = ngbe_init_phy_yt;
 		hw->phy.check_link = ngbe_check_phy_link_yt;
 		hw->phy.setup_link = ngbe_setup_phy_link_yt;
 	default:
diff --git a/drivers/net/ngbe/base/ngbe_phy_mvl.c b/drivers/net/ngbe/base/ngbe_phy_mvl.c
index a1c055e238..33d21edfce 100644
--- a/drivers/net/ngbe/base/ngbe_phy_mvl.c
+++ b/drivers/net/ngbe/base/ngbe_phy_mvl.c
@@ -48,6 +48,70 @@ s32 ngbe_write_phy_reg_mvl(struct ngbe_hw *hw,
 	return 0;
 }
 
+s32 ngbe_init_phy_mvl(struct ngbe_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 value = 0;
+	int i;
+
+	DEBUGFUNC("ngbe_init_phy_mvl");
+
+	/* enable interrupts, only link status change and an done is allowed */
+	ngbe_write_phy_reg_mdi(hw, MVL_PAGE_SEL, 0, 2);
+	ngbe_read_phy_reg_mdi(hw, MVL_RGM_CTL2, 0, &value);
+	value &= ~MVL_RGM_CTL2_TTC;
+	value |= MVL_RGM_CTL2_RTC;
+	ngbe_write_phy_reg_mdi(hw, MVL_RGM_CTL2, 0, value);
+
+	hw->phy.write_reg(hw, MVL_CTRL, 0, MVL_CTRL_RESET);
+	for (i = 0; i < 15; i++) {
+		ngbe_read_phy_reg_mdi(hw, MVL_CTRL, 0, &value);
+		if (value & MVL_CTRL_RESET)
+			msleep(1);
+		else
+			break;
+	}
+
+	if (i == 15) {
+		DEBUGOUT("phy reset exceeds maximum waiting period.\n");
+		return NGBE_ERR_TIMEOUT;
+	}
+
+	ret_val = hw->phy.reset_hw(hw);
+	if (ret_val)
+		return ret_val;
+
+	/* set LED2 to interrupt output and INTn active low */
+	ngbe_write_phy_reg_mdi(hw, MVL_PAGE_SEL, 0, 3);
+	ngbe_read_phy_reg_mdi(hw, MVL_LEDTCR, 0, &value);
+	value |= MVL_LEDTCR_INTR_EN;
+	value &= ~(MVL_LEDTCR_INTR_POL);
+	ngbe_write_phy_reg_mdi(hw, MVL_LEDTCR, 0, value);
+
+	if (hw->phy.type == ngbe_phy_mvl_sfi) {
+		hw->phy.read_reg(hw, MVL_CTRL1, 0, &value);
+		value &= ~MVL_CTRL1_INTR_POL;
+		ngbe_write_phy_reg_mdi(hw, MVL_CTRL1, 0, value);
+	}
+
+	/* enable link status change and AN complete interrupts */
+	value = MVL_INTR_EN_ANC | MVL_INTR_EN_LSC;
+	hw->phy.write_reg(hw, MVL_INTR_EN, 0, value);
+
+	/* LED control */
+	ngbe_write_phy_reg_mdi(hw, MVL_PAGE_SEL, 0, 3);
+	ngbe_read_phy_reg_mdi(hw, MVL_LEDFCR, 0, &value);
+	value &= ~(MVL_LEDFCR_CTL0 | MVL_LEDFCR_CTL1);
+	value |= MVL_LEDFCR_CTL0_CONF | MVL_LEDFCR_CTL1_CONF;
+	ngbe_write_phy_reg_mdi(hw, MVL_LEDFCR, 0, value);
+	ngbe_read_phy_reg_mdi(hw, MVL_LEDPCR, 0, &value);
+	value &= ~(MVL_LEDPCR_CTL0 | MVL_LEDPCR_CTL1);
+	value |= MVL_LEDPCR_CTL0_CONF | MVL_LEDPCR_CTL1_CONF;
+	ngbe_write_phy_reg_mdi(hw, MVL_LEDPCR, 0, value);
+
+	return ret_val;
+}
+
 s32 ngbe_setup_phy_link_mvl(struct ngbe_hw *hw, u32 speed,
 				bool autoneg_wait_to_complete)
 {
diff --git a/drivers/net/ngbe/base/ngbe_phy_mvl.h b/drivers/net/ngbe/base/ngbe_phy_mvl.h
index a663a429dd..34cb1e838a 100644
--- a/drivers/net/ngbe/base/ngbe_phy_mvl.h
+++ b/drivers/net/ngbe/base/ngbe_phy_mvl.h
@@ -86,6 +86,7 @@ s32 ngbe_read_phy_reg_mvl(struct ngbe_hw *hw, u32 reg_addr, u32 device_type,
 			u16 *phy_data);
 s32 ngbe_write_phy_reg_mvl(struct ngbe_hw *hw, u32 reg_addr, u32 device_type,
 			u16 phy_data);
+s32 ngbe_init_phy_mvl(struct ngbe_hw *hw);
 
 s32 ngbe_reset_phy_mvl(struct ngbe_hw *hw);
 
diff --git a/drivers/net/ngbe/base/ngbe_phy_rtl.c b/drivers/net/ngbe/base/ngbe_phy_rtl.c
index 3401fc7e92..1cd576010e 100644
--- a/drivers/net/ngbe/base/ngbe_phy_rtl.c
+++ b/drivers/net/ngbe/base/ngbe_phy_rtl.c
@@ -38,6 +38,64 @@ s32 ngbe_write_phy_reg_rtl(struct ngbe_hw *hw,
 	return 0;
 }
 
+s32 ngbe_init_phy_rtl(struct ngbe_hw *hw)
+{
+	int i;
+	u16 value = 0;
+
+	/* enable interrupts, only link status change and an done is allowed */
+	value = RTL_INER_LSC | RTL_INER_ANC;
+	hw->phy.write_reg(hw, RTL_INER, 0xa42, value);
+
+	hw->phy.read_reg(hw, RTL_INSR, 0xa43, &value);
+
+	for (i = 0; i < 15; i++) {
+		if (!rd32m(hw, NGBE_STAT,
+			NGBE_STAT_GPHY_IN_RST(hw->bus.lan_id)))
+			break;
+
+		msec_delay(10);
+	}
+	if (i == 15) {
+		DEBUGOUT("GPhy reset exceeds maximum times.\n");
+		return NGBE_ERR_PHY_TIMEOUT;
+	}
+
+	for (i = 0; i < 1000; i++) {
+		hw->phy.read_reg(hw, RTL_INSR, 0xa43, &value);
+		if (value & RTL_INSR_ACCESS)
+			break;
+	}
+
+	hw->phy.write_reg(hw, RTL_SCR, 0xa46, RTL_SCR_EFUSE);
+	for (i = 0; i < 1000; i++) {
+		hw->phy.read_reg(hw, RTL_INSR, 0xa43, &value);
+		if (value & RTL_INSR_ACCESS)
+			break;
+	}
+	if (i == 1000)
+		return NGBE_ERR_PHY_TIMEOUT;
+
+	hw->phy.write_reg(hw, RTL_SCR, 0xa46, RTL_SCR_EXTINI);
+	for (i = 0; i < 1000; i++) {
+		hw->phy.read_reg(hw, RTL_INSR, 0xa43, &value);
+		if (value & RTL_INSR_ACCESS)
+			break;
+	}
+	if (i == 1000)
+		return NGBE_ERR_PHY_TIMEOUT;
+
+	for (i = 0; i < 1000; i++) {
+		hw->phy.read_reg(hw, RTL_GSR, 0xa42, &value);
+		if ((value & RTL_GSR_ST) == RTL_GSR_ST_LANON)
+			break;
+	}
+	if (i == 1000)
+		return NGBE_ERR_PHY_TIMEOUT;
+
+	return 0;
+}
+
 /**
  *  ngbe_setup_phy_link_rtl - Set and restart auto-neg
  *  @hw: pointer to hardware structure
diff --git a/drivers/net/ngbe/base/ngbe_phy_rtl.h b/drivers/net/ngbe/base/ngbe_phy_rtl.h
index e8bc4a1bd7..e6e7df5254 100644
--- a/drivers/net/ngbe/base/ngbe_phy_rtl.h
+++ b/drivers/net/ngbe/base/ngbe_phy_rtl.h
@@ -80,6 +80,8 @@ s32 ngbe_write_phy_reg_rtl(struct ngbe_hw *hw, u32 reg_addr, u32 device_type,
 
 s32 ngbe_setup_phy_link_rtl(struct ngbe_hw *hw,
 		u32 speed, bool autoneg_wait_to_complete);
+
+s32 ngbe_init_phy_rtl(struct ngbe_hw *hw);
 s32 ngbe_reset_phy_rtl(struct ngbe_hw *hw);
 s32 ngbe_check_phy_link_rtl(struct ngbe_hw *hw,
 			u32 *speed, bool *link_up);
diff --git a/drivers/net/ngbe/base/ngbe_phy_yt.c b/drivers/net/ngbe/base/ngbe_phy_yt.c
index f518dc0af6..94d3430fa4 100644
--- a/drivers/net/ngbe/base/ngbe_phy_yt.c
+++ b/drivers/net/ngbe/base/ngbe_phy_yt.c
@@ -98,6 +98,32 @@ s32 ngbe_write_phy_reg_sds_ext_yt(struct ngbe_hw *hw,
 	return 0;
 }
 
+s32 ngbe_init_phy_yt(struct ngbe_hw *hw)
+{
+	u16 value = 0;
+
+	DEBUGFUNC("ngbe_init_phy_yt");
+
+	if (hw->phy.type != ngbe_phy_yt8521s_sfi)
+		return 0;
+
+	/* select sds area register */
+	ngbe_write_phy_reg_ext_yt(hw, YT_SMI_PHY, 0, 0);
+	/* enable interrupts */
+	ngbe_write_phy_reg_mdi(hw, YT_INTR, 0, YT_INTR_ENA_MASK);
+
+	/* select fiber_to_rgmii first in multiplex */
+	ngbe_read_phy_reg_ext_yt(hw, YT_MISC, 0, &value);
+	value |= YT_MISC_FIBER_PRIO;
+	ngbe_write_phy_reg_ext_yt(hw, YT_MISC, 0, value);
+
+	hw->phy.read_reg(hw, YT_BCR, 0, &value);
+	value |= YT_BCR_PWDN;
+	hw->phy.write_reg(hw, YT_BCR, 0, value);
+
+	return 0;
+}
+
 s32 ngbe_setup_phy_link_yt(struct ngbe_hw *hw, u32 speed,
 				bool autoneg_wait_to_complete)
 {
diff --git a/drivers/net/ngbe/base/ngbe_phy_yt.h b/drivers/net/ngbe/base/ngbe_phy_yt.h
index 26820ecb92..5babd841c1 100644
--- a/drivers/net/ngbe/base/ngbe_phy_yt.h
+++ b/drivers/net/ngbe/base/ngbe_phy_yt.h
@@ -65,6 +65,7 @@ s32 ngbe_read_phy_reg_sds_ext_yt(struct ngbe_hw *hw,
 		u32 reg_addr, u32 device_type, u16 *phy_data);
 s32 ngbe_write_phy_reg_sds_ext_yt(struct ngbe_hw *hw,
 		u32 reg_addr, u32 device_type, u16 phy_data);
+s32 ngbe_init_phy_yt(struct ngbe_hw *hw);
 
 s32 ngbe_reset_phy_yt(struct ngbe_hw *hw);
 
diff --git a/drivers/net/ngbe/base/ngbe_type.h b/drivers/net/ngbe/base/ngbe_type.h
index 626c6e2eec..396c19b573 100644
--- a/drivers/net/ngbe/base/ngbe_type.h
+++ b/drivers/net/ngbe/base/ngbe_type.h
@@ -94,15 +94,20 @@ struct ngbe_rom_info {
 struct ngbe_mac_info {
 	s32 (*init_hw)(struct ngbe_hw *hw);
 	s32 (*reset_hw)(struct ngbe_hw *hw);
+	s32 (*start_hw)(struct ngbe_hw *hw);
 	s32 (*stop_hw)(struct ngbe_hw *hw);
 	s32 (*get_mac_addr)(struct ngbe_hw *hw, u8 *mac_addr);
 	s32 (*acquire_swfw_sync)(struct ngbe_hw *hw, u32 mask);
 	void (*release_swfw_sync)(struct ngbe_hw *hw, u32 mask);
 
+	/* Link */
 	s32 (*setup_link)(struct ngbe_hw *hw, u32 speed,
 			       bool autoneg_wait_to_complete);
 	s32 (*check_link)(struct ngbe_hw *hw, u32 *speed,
 			       bool *link_up, bool link_up_wait_to_complete);
+	s32 (*get_link_capabilities)(struct ngbe_hw *hw,
+				      u32 *speed, bool *autoneg);
+
 	/* RAR */
 	s32 (*set_rar)(struct ngbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
 			  u32 enable_addr);
@@ -128,11 +133,13 @@ struct ngbe_mac_info {
 	bool set_lben;
 	u32  max_link_up_time;
 
+	u32 default_speeds;
 	bool autoneg;
 };
 
 struct ngbe_phy_info {
 	s32 (*identify)(struct ngbe_hw *hw);
+	s32 (*init_hw)(struct ngbe_hw *hw);
 	s32 (*reset_hw)(struct ngbe_hw *hw);
 	s32 (*read_reg)(struct ngbe_hw *hw, u32 reg_addr,
 				u32 device_type, u16 *phy_data);
@@ -180,6 +187,8 @@ struct ngbe_hw {
 
 	uint64_t isb_dma;
 	void IOMEM *isb_mem;
+	u16 nb_rx_queues;
+	u16 nb_tx_queues;
 
 	bool is_pf;
 };
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index 6b4d5ac65b..008326631e 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -15,9 +15,17 @@
 #include "ngbe_rxtx.h"
 
 static int ngbe_dev_close(struct rte_eth_dev *dev);
-
+static int ngbe_dev_link_update(struct rte_eth_dev *dev,
+				int wait_to_complete);
+
+static void ngbe_dev_link_status_print(struct rte_eth_dev *dev);
+static int ngbe_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on);
+static int ngbe_dev_macsec_interrupt_setup(struct rte_eth_dev *dev);
+static int ngbe_dev_misc_interrupt_setup(struct rte_eth_dev *dev);
+static int ngbe_dev_rxq_interrupt_setup(struct rte_eth_dev *dev);
 static void ngbe_dev_interrupt_handler(void *param);
 static void ngbe_dev_interrupt_delayed_handler(void *param);
+static void ngbe_configure_msix(struct rte_eth_dev *dev);
 
 /*
  * The set of PCI devices this driver supports
@@ -54,6 +62,25 @@ static const struct rte_eth_desc_lim tx_desc_lim = {
 
 static const struct eth_dev_ops ngbe_eth_dev_ops;
 
+static inline int32_t
+ngbe_pf_reset_hw(struct ngbe_hw *hw)
+{
+	uint32_t ctrl_ext;
+	int32_t status;
+
+	status = hw->mac.reset_hw(hw);
+
+	ctrl_ext = rd32(hw, NGBE_PORTCTL);
+	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
+	ctrl_ext |= NGBE_PORTCTL_RSTDONE;
+	wr32(hw, NGBE_PORTCTL, ctrl_ext);
+	ngbe_flush(hw);
+
+	if (status == NGBE_ERR_SFP_NOT_PRESENT)
+		status = 0;
+	return status;
+}
+
 static inline void
 ngbe_enable_intr(struct rte_eth_dev *dev)
 {
@@ -200,6 +227,13 @@ eth_ngbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 	wr32(hw, NGBE_PORTCTL, ctrl_ext);
 	ngbe_flush(hw);
 
+	PMD_INIT_LOG(DEBUG, "MAC: %d, PHY: %d",
+			(int)hw->mac.type, (int)hw->phy.type);
+
+	PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x",
+		     eth_dev->data->port_id, pci_dev->id.vendor_id,
+		     pci_dev->id.device_id);
+
 	rte_intr_callback_register(intr_handle,
 				   ngbe_dev_interrupt_handler, eth_dev);
 
@@ -274,6 +308,250 @@ ngbe_dev_configure(struct rte_eth_dev *dev)
 	return 0;
 }
 
+static void
+ngbe_dev_phy_intr_setup(struct rte_eth_dev *dev)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(dev);
+	struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
+
+	wr32(hw, NGBE_GPIODIR, NGBE_GPIODIR_DDR(1));
+	wr32(hw, NGBE_GPIOINTEN, NGBE_GPIOINTEN_INT(3));
+	wr32(hw, NGBE_GPIOINTTYPE, NGBE_GPIOINTTYPE_LEVEL(0));
+	if (hw->phy.type == ngbe_phy_yt8521s_sfi)
+		wr32(hw, NGBE_GPIOINTPOL, NGBE_GPIOINTPOL_ACT(0));
+	else
+		wr32(hw, NGBE_GPIOINTPOL, NGBE_GPIOINTPOL_ACT(3));
+
+	intr->mask_misc |= NGBE_ICRMISC_GPIO;
+}
+
+/*
+ * Configure device link speed and setup link.
+ * It returns 0 on success.
+ */
+static int
+ngbe_dev_start(struct rte_eth_dev *dev)
+{
+	struct ngbe_hw *hw = ngbe_dev_hw(dev);
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+	uint32_t intr_vector = 0;
+	int err;
+	bool link_up = false, negotiate = false;
+	uint32_t speed = 0;
+	uint32_t allowed_speeds = 0;
+	int status;
+	uint32_t *link_speeds;
+
+	PMD_INIT_FUNC_TRACE();
+
+	/* disable uio/vfio intr/eventfd mapping */
+	rte_intr_disable(intr_handle);
+
+	/* stop adapter */
+	hw->adapter_stopped = 0;
+	ngbe_stop_hw(hw);
+
+	/* reinitialize adapter
+	 * this calls reset and start
+	 */
+	hw->nb_rx_queues = dev->data->nb_rx_queues;
+	hw->nb_tx_queues = dev->data->nb_tx_queues;
+	status = ngbe_pf_reset_hw(hw);
+	if (status != 0)
+		return -1;
+	hw->mac.start_hw(hw);
+	hw->mac.get_link_status = true;
+
+	ngbe_dev_phy_intr_setup(dev);
+
+	/* check and configure queue intr-vector mapping */
+	if ((rte_intr_cap_multiple(intr_handle) ||
+	     !RTE_ETH_DEV_SRIOV(dev).active) &&
+	    dev->data->dev_conf.intr_conf.rxq != 0) {
+		intr_vector = dev->data->nb_rx_queues;
+		if (rte_intr_efd_enable(intr_handle, intr_vector))
+			return -1;
+	}
+
+	if (rte_intr_dp_is_en(intr_handle) && intr_handle->intr_vec == NULL) {
+		intr_handle->intr_vec =
+			rte_zmalloc("intr_vec",
+				    dev->data->nb_rx_queues * sizeof(int), 0);
+		if (intr_handle->intr_vec == NULL) {
+			PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
+				     " intr_vec", dev->data->nb_rx_queues);
+			return -ENOMEM;
+		}
+	}
+
+	/* confiugre MSI-X for sleep until Rx interrupt */
+	ngbe_configure_msix(dev);
+
+	/* initialize transmission unit */
+	ngbe_dev_tx_init(dev);
+
+	/* This can fail when allocating mbufs for descriptor rings */
+	err = ngbe_dev_rx_init(dev);
+	if (err != 0) {
+		PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
+		goto error;
+	}
+
+	err = ngbe_dev_rxtx_start(dev);
+	if (err < 0) {
+		PMD_INIT_LOG(ERR, "Unable to start rxtx queues");
+		goto error;
+	}
+
+	err = hw->mac.check_link(hw, &speed, &link_up, 0);
+	if (err != 0)
+		goto error;
+	dev->data->dev_link.link_status = link_up;
+
+	link_speeds = &dev->data->dev_conf.link_speeds;
+	if (*link_speeds == ETH_LINK_SPEED_AUTONEG)
+		negotiate = true;
+
+	err = hw->mac.get_link_capabilities(hw, &speed, &negotiate);
+	if (err != 0)
+		goto error;
+
+	allowed_speeds = 0;
+	if (hw->mac.default_speeds & NGBE_LINK_SPEED_1GB_FULL)
+		allowed_speeds |= ETH_LINK_SPEED_1G;
+	if (hw->mac.default_speeds & NGBE_LINK_SPEED_100M_FULL)
+		allowed_speeds |= ETH_LINK_SPEED_100M;
+	if (hw->mac.default_speeds & NGBE_LINK_SPEED_10M_FULL)
+		allowed_speeds |= ETH_LINK_SPEED_10M;
+
+	if (*link_speeds & ~allowed_speeds) {
+		PMD_INIT_LOG(ERR, "Invalid link setting");
+		goto error;
+	}
+
+	speed = 0x0;
+	if (*link_speeds == ETH_LINK_SPEED_AUTONEG) {
+		speed = hw->mac.default_speeds;
+	} else {
+		if (*link_speeds & ETH_LINK_SPEED_1G)
+			speed |= NGBE_LINK_SPEED_1GB_FULL;
+		if (*link_speeds & ETH_LINK_SPEED_100M)
+			speed |= NGBE_LINK_SPEED_100M_FULL;
+		if (*link_speeds & ETH_LINK_SPEED_10M)
+			speed |= NGBE_LINK_SPEED_10M_FULL;
+	}
+
+	hw->phy.init_hw(hw);
+	err = hw->mac.setup_link(hw, speed, link_up);
+	if (err != 0)
+		goto error;
+
+	if (rte_intr_allow_others(intr_handle)) {
+		ngbe_dev_misc_interrupt_setup(dev);
+		/* check if lsc interrupt is enabled */
+		if (dev->data->dev_conf.intr_conf.lsc != 0)
+			ngbe_dev_lsc_interrupt_setup(dev, TRUE);
+		else
+			ngbe_dev_lsc_interrupt_setup(dev, FALSE);
+		ngbe_dev_macsec_interrupt_setup(dev);
+		ngbe_set_ivar_map(hw, -1, 1, NGBE_MISC_VEC_ID);
+	} else {
+		rte_intr_callback_unregister(intr_handle,
+					     ngbe_dev_interrupt_handler, dev);
+		if (dev->data->dev_conf.intr_conf.lsc != 0)
+			PMD_INIT_LOG(INFO, "lsc won't enable because of"
+				     " no intr multiplex");
+	}
+
+	/* check if rxq interrupt is enabled */
+	if (dev->data->dev_conf.intr_conf.rxq != 0 &&
+	    rte_intr_dp_is_en(intr_handle))
+		ngbe_dev_rxq_interrupt_setup(dev);
+
+	/* enable UIO/VFIO intr/eventfd mapping */
+	rte_intr_enable(intr_handle);
+
+	/* resume enabled intr since HW reset */
+	ngbe_enable_intr(dev);
+
+	if ((hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_M88E1512_SFP ||
+		(hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_YT8521S_SFP) {
+		/* gpio0 is used to power on/off control*/
+		wr32(hw, NGBE_GPIODATA, 0);
+	}
+
+	/*
+	 * Update link status right before return, because it may
+	 * start link configuration process in a separate thread.
+	 */
+	ngbe_dev_link_update(dev, 0);
+
+	return 0;
+
+error:
+	PMD_INIT_LOG(ERR, "failure in dev start: %d", err);
+	ngbe_dev_clear_queues(dev);
+	return -EIO;
+}
+
+/*
+ * Stop device: disable rx and tx functions to allow for reconfiguring.
+ */
+static int
+ngbe_dev_stop(struct rte_eth_dev *dev)
+{
+	struct rte_eth_link link;
+	struct ngbe_hw *hw = ngbe_dev_hw(dev);
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+
+	if (hw->adapter_stopped)
+		return 0;
+
+	PMD_INIT_FUNC_TRACE();
+
+	if ((hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_M88E1512_SFP ||
+		(hw->sub_system_id & NGBE_OEM_MASK) == NGBE_LY_YT8521S_SFP) {
+		/* gpio0 is used to power on/off control*/
+		wr32(hw, NGBE_GPIODATA, NGBE_GPIOBIT_0);
+	}
+
+	/* disable interrupts */
+	ngbe_disable_intr(hw);
+
+	/* reset the NIC */
+	ngbe_pf_reset_hw(hw);
+	hw->adapter_stopped = 0;
+
+	/* stop adapter */
+	ngbe_stop_hw(hw);
+
+	ngbe_dev_clear_queues(dev);
+
+	/* Clear recorded link status */
+	memset(&link, 0, sizeof(link));
+	rte_eth_linkstatus_set(dev, &link);
+
+	if (!rte_intr_allow_others(intr_handle))
+		/* resume to the default handler */
+		rte_intr_callback_register(intr_handle,
+					   ngbe_dev_interrupt_handler,
+					   (void *)dev);
+
+	/* Clean datapath event and queue/vec mapping */
+	rte_intr_efd_disable(intr_handle);
+	if (intr_handle->intr_vec != NULL) {
+		rte_free(intr_handle->intr_vec);
+		intr_handle->intr_vec = NULL;
+	}
+
+	hw->adapter_stopped = true;
+	dev->data->dev_started = 0;
+
+	return 0;
+}
+
 /*
  * Reset and stop device.
  */
@@ -417,6 +695,106 @@ ngbe_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
 	return ngbe_dev_link_update_share(dev, wait_to_complete);
 }
 
+/**
+ * It clears the interrupt causes and enables the interrupt.
+ * It will be called once only during NIC initialized.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ * @param on
+ *  Enable or Disable.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int
+ngbe_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
+{
+	struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
+
+	ngbe_dev_link_status_print(dev);
+	if (on != 0) {
+		intr->mask_misc |= NGBE_ICRMISC_PHY;
+		intr->mask_misc |= NGBE_ICRMISC_GPIO;
+	} else {
+		intr->mask_misc &= ~NGBE_ICRMISC_PHY;
+		intr->mask_misc &= ~NGBE_ICRMISC_GPIO;
+	}
+
+	return 0;
+}
+
+/**
+ * It clears the interrupt causes and enables the interrupt.
+ * It will be called once only during NIC initialized.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int
+ngbe_dev_misc_interrupt_setup(struct rte_eth_dev *dev)
+{
+	struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
+	u64 mask;
+
+	mask = NGBE_ICR_MASK;
+	mask &= (1ULL << NGBE_MISC_VEC_ID);
+	intr->mask |= mask;
+	intr->mask_misc |= NGBE_ICRMISC_GPIO;
+
+	return 0;
+}
+
+/**
+ * It clears the interrupt causes and enables the interrupt.
+ * It will be called once only during NIC initialized.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int
+ngbe_dev_rxq_interrupt_setup(struct rte_eth_dev *dev)
+{
+	struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
+	u64 mask;
+
+	mask = NGBE_ICR_MASK;
+	mask &= ~((1ULL << NGBE_RX_VEC_START) - 1);
+	intr->mask |= mask;
+
+	return 0;
+}
+
+/**
+ * It clears the interrupt causes and enables the interrupt.
+ * It will be called once only during NIC initialized.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int
+ngbe_dev_macsec_interrupt_setup(struct rte_eth_dev *dev)
+{
+	struct ngbe_interrupt *intr = ngbe_dev_intr(dev);
+
+	intr->mask_misc |= NGBE_ICRMISC_LNKSEC;
+
+	return 0;
+}
+
 /*
  * It reads ICR and sets flag for the link_update.
  *
@@ -623,9 +1001,102 @@ ngbe_dev_interrupt_handler(void *param)
 	ngbe_dev_interrupt_action(dev);
 }
 
+/**
+ * set the IVAR registers, mapping interrupt causes to vectors
+ * @param hw
+ *  pointer to ngbe_hw struct
+ * @direction
+ *  0 for Rx, 1 for Tx, -1 for other causes
+ * @queue
+ *  queue to map the corresponding interrupt to
+ * @msix_vector
+ *  the vector to map to the corresponding queue
+ */
+void
+ngbe_set_ivar_map(struct ngbe_hw *hw, int8_t direction,
+		   uint8_t queue, uint8_t msix_vector)
+{
+	uint32_t tmp, idx;
+
+	if (direction == -1) {
+		/* other causes */
+		msix_vector |= NGBE_IVARMISC_VLD;
+		idx = 0;
+		tmp = rd32(hw, NGBE_IVARMISC);
+		tmp &= ~(0xFF << idx);
+		tmp |= (msix_vector << idx);
+		wr32(hw, NGBE_IVARMISC, tmp);
+	} else {
+		/* rx or tx causes */
+		/* Workround for ICR lost */
+		idx = ((16 * (queue & 1)) + (8 * direction));
+		tmp = rd32(hw, NGBE_IVAR(queue >> 1));
+		tmp &= ~(0xFF << idx);
+		tmp |= (msix_vector << idx);
+		wr32(hw, NGBE_IVAR(queue >> 1), tmp);
+	}
+}
+
+/**
+ * Sets up the hardware to properly generate MSI-X interrupts
+ * @hw
+ *  board private structure
+ */
+static void
+ngbe_configure_msix(struct rte_eth_dev *dev)
+{
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+	struct ngbe_hw *hw = ngbe_dev_hw(dev);
+	uint32_t queue_id, base = NGBE_MISC_VEC_ID;
+	uint32_t vec = NGBE_MISC_VEC_ID;
+	uint32_t gpie;
+
+	/* won't configure MSI-X register if no mapping is done
+	 * between intr vector and event fd
+	 * but if MSI-X has been enabled already, need to configure
+	 * auto clean, auto mask and throttling.
+	 */
+	gpie = rd32(hw, NGBE_GPIE);
+	if (!rte_intr_dp_is_en(intr_handle) &&
+	    !(gpie & NGBE_GPIE_MSIX))
+		return;
+
+	if (rte_intr_allow_others(intr_handle)) {
+		base = NGBE_RX_VEC_START;
+		vec = base;
+	}
+
+	/* setup GPIE for MSI-X mode */
+	gpie = rd32(hw, NGBE_GPIE);
+	gpie |= NGBE_GPIE_MSIX;
+	wr32(hw, NGBE_GPIE, gpie);
+
+	/* Populate the IVAR table and set the ITR values to the
+	 * corresponding register.
+	 */
+	if (rte_intr_dp_is_en(intr_handle)) {
+		for (queue_id = 0; queue_id < dev->data->nb_rx_queues;
+			queue_id++) {
+			/* by default, 1:1 mapping */
+			ngbe_set_ivar_map(hw, 0, queue_id, vec);
+			intr_handle->intr_vec[queue_id] = vec;
+			if (vec < base + intr_handle->nb_efd - 1)
+				vec++;
+		}
+
+		ngbe_set_ivar_map(hw, -1, 1, NGBE_MISC_VEC_ID);
+	}
+	wr32(hw, NGBE_ITR(NGBE_MISC_VEC_ID),
+			NGBE_ITR_IVAL_1G(NGBE_QUEUE_ITR_INTERVAL_DEFAULT)
+			| NGBE_ITR_WRDSA);
+}
+
 static const struct eth_dev_ops ngbe_eth_dev_ops = {
 	.dev_configure              = ngbe_dev_configure,
 	.dev_infos_get              = ngbe_dev_info_get,
+	.dev_start                  = ngbe_dev_start,
+	.dev_stop                   = ngbe_dev_stop,
 	.link_update                = ngbe_dev_link_update,
 	.rx_queue_setup             = ngbe_dev_rx_queue_setup,
 	.rx_queue_release           = ngbe_dev_rx_queue_release,
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index c52cac2ca1..5277f175cd 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -13,7 +13,10 @@
 #define NGBE_FLAG_MACSEC           (uint32_t)(1 << 3)
 #define NGBE_FLAG_NEED_LINK_CONFIG (uint32_t)(1 << 4)
 
+#define NGBE_QUEUE_ITR_INTERVAL_DEFAULT	500 /* 500us */
+
 #define NGBE_MISC_VEC_ID               RTE_INTR_VEC_ZERO_OFFSET
+#define NGBE_RX_VEC_START              RTE_INTR_VEC_RXTX_OFFSET
 
 /* structure for interrupt relative data */
 struct ngbe_interrupt {
@@ -59,6 +62,11 @@ ngbe_dev_intr(struct rte_eth_dev *dev)
 	return intr;
 }
 
+/*
+ * RX/TX function prototypes
+ */
+void ngbe_dev_clear_queues(struct rte_eth_dev *dev);
+
 void ngbe_dev_rx_queue_release(void *rxq);
 
 void ngbe_dev_tx_queue_release(void *txq);
@@ -72,12 +80,21 @@ int  ngbe_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
 		uint16_t nb_tx_desc, unsigned int socket_id,
 		const struct rte_eth_txconf *tx_conf);
 
+int ngbe_dev_rx_init(struct rte_eth_dev *dev);
+
+void ngbe_dev_tx_init(struct rte_eth_dev *dev);
+
+int ngbe_dev_rxtx_start(struct rte_eth_dev *dev);
+
 uint16_t ngbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 		uint16_t nb_pkts);
 
 uint16_t ngbe_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
 		uint16_t nb_pkts);
 
+void ngbe_set_ivar_map(struct ngbe_hw *hw, int8_t direction,
+			       uint8_t queue, uint8_t msix_vector);
+
 int
 ngbe_dev_link_update_share(struct rte_eth_dev *dev,
 		int wait_to_complete);
diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c
index 6dde996659..d4680afaae 100644
--- a/drivers/net/ngbe/ngbe_rxtx.c
+++ b/drivers/net/ngbe/ngbe_rxtx.c
@@ -908,3 +908,62 @@ ngbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	return 0;
 }
 
+void __rte_cold
+ngbe_dev_clear_queues(struct rte_eth_dev *dev)
+{
+	unsigned int i;
+	struct ngbe_adapter *adapter = ngbe_dev_adapter(dev);
+
+	PMD_INIT_FUNC_TRACE();
+
+	for (i = 0; i < dev->data->nb_tx_queues; i++) {
+		struct ngbe_tx_queue *txq = dev->data->tx_queues[i];
+
+		if (txq != NULL) {
+			txq->ops->release_mbufs(txq);
+			txq->ops->reset(txq);
+		}
+	}
+
+	for (i = 0; i < dev->data->nb_rx_queues; i++) {
+		struct ngbe_rx_queue *rxq = dev->data->rx_queues[i];
+
+		if (rxq != NULL) {
+			ngbe_rx_queue_release_mbufs(rxq);
+			ngbe_reset_rx_queue(adapter, rxq);
+		}
+	}
+}
+
+/*
+ * Initializes Receive Unit.
+ */
+int __rte_cold
+ngbe_dev_rx_init(struct rte_eth_dev *dev)
+{
+	RTE_SET_USED(dev);
+
+	return -EINVAL;
+}
+
+/*
+ * Initializes Transmit Unit.
+ */
+void __rte_cold
+ngbe_dev_tx_init(struct rte_eth_dev *dev)
+{
+	RTE_SET_USED(dev);
+
+}
+
+/*
+ * Start Transmit and Receive Units.
+ */
+int __rte_cold
+ngbe_dev_rxtx_start(struct rte_eth_dev *dev)
+{
+	RTE_SET_USED(dev);
+
+	return -EINVAL;
+}
+
-- 
2.21.0.windows.1