[dpdk-dev] [PATCH v6 05/19] net/ngbe: set MAC type and LAN ID with device initialization

[Jiawen Wu <jiawenwu@trustnetic.com>]

Add basic init and uninit function.
Map device IDs and subsystem IDs to single ID for easy operation.
Then initialize the shared code.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/ngbe/base/meson.build  |   4 +-
 drivers/net/ngbe/base/ngbe.h       |  11 ++
 drivers/net/ngbe/base/ngbe_dummy.h |  37 ++++++
 drivers/net/ngbe/base/ngbe_hw.c    | 182 ++++++++++++++++++++++++++++
 drivers/net/ngbe/base/ngbe_hw.h    |  18 +++
 drivers/net/ngbe/base/ngbe_osdep.h | 183 +++++++++++++++++++++++++++++
 drivers/net/ngbe/base/ngbe_type.h  |  78 ++++++++++++
 drivers/net/ngbe/ngbe_ethdev.c     |  39 +++++-
 drivers/net/ngbe/ngbe_ethdev.h     |  19 ++-
 9 files changed, 565 insertions(+), 6 deletions(-)
 create mode 100644 drivers/net/ngbe/base/ngbe.h
 create mode 100644 drivers/net/ngbe/base/ngbe_dummy.h
 create mode 100644 drivers/net/ngbe/base/ngbe_hw.c
 create mode 100644 drivers/net/ngbe/base/ngbe_hw.h
 create mode 100644 drivers/net/ngbe/base/ngbe_osdep.h
 create mode 100644 drivers/net/ngbe/base/ngbe_type.h

diff --git a/drivers/net/ngbe/base/meson.build b/drivers/net/ngbe/base/meson.build
index c5f6467743..fdbfa99916 100644
--- a/drivers/net/ngbe/base/meson.build
+++ b/drivers/net/ngbe/base/meson.build
@@ -1,7 +1,9 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
 
-sources = []
+sources = [
+	'ngbe_hw.c',
+]
 
 error_cflags = []
 
diff --git a/drivers/net/ngbe/base/ngbe.h b/drivers/net/ngbe/base/ngbe.h
new file mode 100644
index 0000000000..63fad12ad3
--- /dev/null
+++ b/drivers/net/ngbe/base/ngbe.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
+ */
+
+#ifndef _NGBE_H_
+#define _NGBE_H_
+
+#include "ngbe_type.h"
+#include "ngbe_hw.h"
+
+#endif /* _NGBE_H_ */
diff --git a/drivers/net/ngbe/base/ngbe_dummy.h b/drivers/net/ngbe/base/ngbe_dummy.h
new file mode 100644
index 0000000000..75b4e50bca
--- /dev/null
+++ b/drivers/net/ngbe/base/ngbe_dummy.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
+ */
+
+#ifndef _NGBE_TYPE_DUMMY_H_
+#define _NGBE_TYPE_DUMMY_H_
+
+#ifdef TUP
+#elif defined(__GNUC__)
+#define TUP(x) x##_unused ngbe_unused
+#elif defined(__LCLINT__)
+#define TUP(x) x /*@unused@*/
+#else
+#define TUP(x) x
+#endif /*TUP*/
+#define TUP0 TUP(p0)
+#define TUP1 TUP(p1)
+#define TUP2 TUP(p2)
+#define TUP3 TUP(p3)
+#define TUP4 TUP(p4)
+#define TUP5 TUP(p5)
+#define TUP6 TUP(p6)
+#define TUP7 TUP(p7)
+#define TUP8 TUP(p8)
+#define TUP9 TUP(p9)
+
+/* struct ngbe_bus_operations */
+static inline void ngbe_bus_set_lan_id_dummy(struct ngbe_hw *TUP0)
+{
+}
+static inline void ngbe_init_ops_dummy(struct ngbe_hw *hw)
+{
+	hw->bus.set_lan_id = ngbe_bus_set_lan_id_dummy;
+}
+
+#endif /* _NGBE_TYPE_DUMMY_H_ */
+
diff --git a/drivers/net/ngbe/base/ngbe_hw.c b/drivers/net/ngbe/base/ngbe_hw.c
new file mode 100644
index 0000000000..014bb0faee
--- /dev/null
+++ b/drivers/net/ngbe/base/ngbe_hw.c
@@ -0,0 +1,182 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
+ */
+
+#include "ngbe_type.h"
+#include "ngbe_hw.h"
+
+/**
+ *  ngbe_set_lan_id_multi_port - Set LAN id for PCIe multiple port devices
+ *  @hw: pointer to the HW structure
+ *
+ *  Determines the LAN function id by reading memory-mapped registers and swaps
+ *  the port value if requested, and set MAC instance for devices.
+ **/
+void ngbe_set_lan_id_multi_port(struct ngbe_hw *hw)
+{
+	struct ngbe_bus_info *bus = &hw->bus;
+	u32 reg = 0;
+
+	DEBUGFUNC("ngbe_set_lan_id_multi_port");
+
+	reg = rd32(hw, NGBE_PORTSTAT);
+	bus->lan_id = NGBE_PORTSTAT_ID(reg);
+	bus->func = bus->lan_id;
+}
+
+/**
+ *  ngbe_set_mac_type - Sets MAC type
+ *  @hw: pointer to the HW structure
+ *
+ *  This function sets the mac type of the adapter based on the
+ *  vendor ID and device ID stored in the hw structure.
+ **/
+s32 ngbe_set_mac_type(struct ngbe_hw *hw)
+{
+	s32 err = 0;
+
+	DEBUGFUNC("ngbe_set_mac_type");
+
+	if (hw->vendor_id != PCI_VENDOR_ID_WANGXUN) {
+		DEBUGOUT("Unsupported vendor id: %x", hw->vendor_id);
+		return NGBE_ERR_DEVICE_NOT_SUPPORTED;
+	}
+
+	switch (hw->sub_device_id) {
+	case NGBE_SUB_DEV_ID_EM_RTL_SGMII:
+	case NGBE_SUB_DEV_ID_EM_MVL_RGMII:
+		hw->phy.media_type = ngbe_media_type_copper;
+		hw->mac.type = ngbe_mac_em;
+		break;
+	case NGBE_SUB_DEV_ID_EM_MVL_SFP:
+	case NGBE_SUB_DEV_ID_EM_YT8521S_SFP:
+		hw->phy.media_type = ngbe_media_type_fiber;
+		hw->mac.type = ngbe_mac_em;
+		break;
+	case NGBE_SUB_DEV_ID_EM_VF:
+		hw->phy.media_type = ngbe_media_type_virtual;
+		hw->mac.type = ngbe_mac_em_vf;
+		break;
+	default:
+		err = NGBE_ERR_DEVICE_NOT_SUPPORTED;
+		hw->phy.media_type = ngbe_media_type_unknown;
+		hw->mac.type = ngbe_mac_unknown;
+		DEBUGOUT("Unsupported device id: %x", hw->device_id);
+		break;
+	}
+
+	DEBUGOUT("found mac: %d media: %d, returns: %d\n",
+		  hw->mac.type, hw->phy.media_type, err);
+	return err;
+}
+
+void ngbe_map_device_id(struct ngbe_hw *hw)
+{
+	u16 oem = hw->sub_system_id & NGBE_OEM_MASK;
+	u16 internal = hw->sub_system_id & NGBE_INTERNAL_MASK;
+	hw->is_pf = true;
+
+	/* move subsystem_device_id to device_id */
+	switch (hw->device_id) {
+	case NGBE_DEV_ID_EM_WX1860AL_W_VF:
+	case NGBE_DEV_ID_EM_WX1860A2_VF:
+	case NGBE_DEV_ID_EM_WX1860A2S_VF:
+	case NGBE_DEV_ID_EM_WX1860A4_VF:
+	case NGBE_DEV_ID_EM_WX1860A4S_VF:
+	case NGBE_DEV_ID_EM_WX1860AL2_VF:
+	case NGBE_DEV_ID_EM_WX1860AL2S_VF:
+	case NGBE_DEV_ID_EM_WX1860AL4_VF:
+	case NGBE_DEV_ID_EM_WX1860AL4S_VF:
+	case NGBE_DEV_ID_EM_WX1860NCSI_VF:
+	case NGBE_DEV_ID_EM_WX1860A1_VF:
+	case NGBE_DEV_ID_EM_WX1860A1L_VF:
+		hw->device_id = NGBE_DEV_ID_EM_VF;
+		hw->sub_device_id = NGBE_SUB_DEV_ID_EM_VF;
+		hw->is_pf = false;
+		break;
+	case NGBE_DEV_ID_EM_WX1860AL_W:
+	case NGBE_DEV_ID_EM_WX1860A2:
+	case NGBE_DEV_ID_EM_WX1860A2S:
+	case NGBE_DEV_ID_EM_WX1860A4:
+	case NGBE_DEV_ID_EM_WX1860A4S:
+	case NGBE_DEV_ID_EM_WX1860AL2:
+	case NGBE_DEV_ID_EM_WX1860AL2S:
+	case NGBE_DEV_ID_EM_WX1860AL4:
+	case NGBE_DEV_ID_EM_WX1860AL4S:
+	case NGBE_DEV_ID_EM_WX1860NCSI:
+	case NGBE_DEV_ID_EM_WX1860A1:
+	case NGBE_DEV_ID_EM_WX1860A1L:
+		hw->device_id = NGBE_DEV_ID_EM;
+		if (oem == NGBE_LY_M88E1512_SFP ||
+				internal == NGBE_INTERNAL_SFP)
+			hw->sub_device_id = NGBE_SUB_DEV_ID_EM_MVL_SFP;
+		else if (hw->sub_system_id == NGBE_SUB_DEV_ID_EM_M88E1512_RJ45)
+			hw->sub_device_id = NGBE_SUB_DEV_ID_EM_MVL_RGMII;
+		else if (oem == NGBE_YT8521S_SFP ||
+				oem == NGBE_LY_YT8521S_SFP)
+			hw->sub_device_id = NGBE_SUB_DEV_ID_EM_YT8521S_SFP;
+		else
+			hw->sub_device_id = NGBE_SUB_DEV_ID_EM_RTL_SGMII;
+		break;
+	default:
+		break;
+	}
+}
+
+/**
+ *  ngbe_init_ops_pf - Inits func ptrs and MAC type
+ *  @hw: pointer to hardware structure
+ *
+ *  Initialize the function pointers and assign the MAC type.
+ *  Does not touch the hardware.
+ **/
+s32 ngbe_init_ops_pf(struct ngbe_hw *hw)
+{
+	struct ngbe_bus_info *bus = &hw->bus;
+
+	DEBUGFUNC("ngbe_init_ops_pf");
+
+	/* BUS */
+	bus->set_lan_id = ngbe_set_lan_id_multi_port;
+
+	return 0;
+}
+
+/**
+ *  ngbe_init_shared_code - Initialize the shared code
+ *  @hw: pointer to hardware structure
+ *
+ *  This will assign function pointers and assign the MAC type and PHY code.
+ *  Does not touch the hardware. This function must be called prior to any
+ *  other function in the shared code. The ngbe_hw structure should be
+ *  memset to 0 prior to calling this function.  The following fields in
+ *  hw structure should be filled in prior to calling this function:
+ *  hw_addr, back, device_id, vendor_id, subsystem_device_id
+ **/
+s32 ngbe_init_shared_code(struct ngbe_hw *hw)
+{
+	s32 status = 0;
+
+	DEBUGFUNC("ngbe_init_shared_code");
+
+	/*
+	 * Set the mac type
+	 */
+	ngbe_set_mac_type(hw);
+
+	ngbe_init_ops_dummy(hw);
+	switch (hw->mac.type) {
+	case ngbe_mac_em:
+		ngbe_init_ops_pf(hw);
+		break;
+	default:
+		status = NGBE_ERR_DEVICE_NOT_SUPPORTED;
+		break;
+	}
+
+	hw->bus.set_lan_id(hw);
+
+	return status;
+}
+
diff --git a/drivers/net/ngbe/base/ngbe_hw.h b/drivers/net/ngbe/base/ngbe_hw.h
new file mode 100644
index 0000000000..7d5de49248
--- /dev/null
+++ b/drivers/net/ngbe/base/ngbe_hw.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
+ */
+
+#ifndef _NGBE_HW_H_
+#define _NGBE_HW_H_
+
+#include "ngbe_type.h"
+
+void ngbe_set_lan_id_multi_port(struct ngbe_hw *hw);
+
+s32 ngbe_init_shared_code(struct ngbe_hw *hw);
+s32 ngbe_set_mac_type(struct ngbe_hw *hw);
+s32 ngbe_init_ops_pf(struct ngbe_hw *hw);
+void ngbe_map_device_id(struct ngbe_hw *hw);
+
+#endif /* _NGBE_HW_H_ */
diff --git a/drivers/net/ngbe/base/ngbe_osdep.h b/drivers/net/ngbe/base/ngbe_osdep.h
new file mode 100644
index 0000000000..215a953081
--- /dev/null
+++ b/drivers/net/ngbe/base/ngbe_osdep.h
@@ -0,0 +1,183 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
+ */
+
+#ifndef _NGBE_OS_H_
+#define _NGBE_OS_H_
+
+#include <string.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <rte_version.h>
+#include <rte_common.h>
+#include <rte_debug.h>
+#include <rte_cycles.h>
+#include <rte_log.h>
+#include <rte_byteorder.h>
+#include <rte_config.h>
+#include <rte_io.h>
+#include <rte_ether.h>
+
+#include "../ngbe_logs.h"
+
+#define RTE_LIBRTE_NGBE_TM        DCPV(1, 0)
+#define TMZ_PADDR(mz)  ((mz)->iova)
+#define TMZ_VADDR(mz)  ((mz)->addr)
+#define TDEV_NAME(eth_dev)  ((eth_dev)->device->name)
+
+#define ASSERT(x) do {			\
+	if (!(x))			\
+		PMD_DRV_LOG(ERR, "NGBE: %d", x);	\
+} while (0)
+
+#define ngbe_unused __rte_unused
+
+#define usec_delay(x) rte_delay_us(x)
+#define msec_delay(x) rte_delay_ms(x)
+#define usleep(x)     rte_delay_us(x)
+#define msleep(x)     rte_delay_ms(x)
+
+#define FALSE               0
+#define TRUE                1
+
+#ifndef false
+#define false               0
+#endif
+#ifndef true
+#define true                1
+#endif
+#define min(a, b)	RTE_MIN(a, b)
+#define max(a, b)	RTE_MAX(a, b)
+
+/* Bunch of defines for shared code bogosity */
+
+static inline void UNREFERENCED(const char *a __rte_unused, ...) {}
+#define UNREFERENCED_PARAMETER(args...) UNREFERENCED("", ##args)
+
+#define STATIC static
+
+typedef uint8_t		u8;
+typedef int8_t		s8;
+typedef uint16_t	u16;
+typedef int16_t		s16;
+typedef uint32_t	u32;
+typedef int32_t		s32;
+typedef uint64_t	u64;
+typedef int64_t		s64;
+
+/* Little Endian defines */
+#ifndef __le16
+#define __le16  u16
+#define __le32  u32
+#define __le64  u64
+#endif
+#ifndef __be16
+#define __be16  u16
+#define __be32  u32
+#define __be64  u64
+#endif
+
+/* Bit shift and mask */
+#define BIT_MASK4                 (0x0000000FU)
+#define BIT_MASK8                 (0x000000FFU)
+#define BIT_MASK16                (0x0000FFFFU)
+#define BIT_MASK32                (0xFFFFFFFFU)
+#define BIT_MASK64                (0xFFFFFFFFFFFFFFFFUL)
+
+#ifndef cpu_to_le32
+#define cpu_to_le16(v)          rte_cpu_to_le_16((u16)(v))
+#define cpu_to_le32(v)          rte_cpu_to_le_32((u32)(v))
+#define cpu_to_le64(v)          rte_cpu_to_le_64((u64)(v))
+#define le_to_cpu16(v)          rte_le_to_cpu_16((u16)(v))
+#define le_to_cpu32(v)          rte_le_to_cpu_32((u32)(v))
+#define le_to_cpu64(v)          rte_le_to_cpu_64((u64)(v))
+
+#define cpu_to_be16(v)          rte_cpu_to_be_16((u16)(v))
+#define cpu_to_be32(v)          rte_cpu_to_be_32((u32)(v))
+#define cpu_to_be64(v)          rte_cpu_to_be_64((u64)(v))
+#define be_to_cpu16(v)          rte_be_to_cpu_16((u16)(v))
+#define be_to_cpu32(v)          rte_be_to_cpu_32((u32)(v))
+#define be_to_cpu64(v)          rte_be_to_cpu_64((u64)(v))
+
+#define le_to_be16(v)           rte_bswap16((u16)(v))
+#define le_to_be32(v)           rte_bswap32((u32)(v))
+#define le_to_be64(v)           rte_bswap64((u64)(v))
+#define be_to_le16(v)           rte_bswap16((u16)(v))
+#define be_to_le32(v)           rte_bswap32((u32)(v))
+#define be_to_le64(v)           rte_bswap64((u64)(v))
+
+#define npu_to_le16(v)          (v)
+#define npu_to_le32(v)          (v)
+#define npu_to_le64(v)          (v)
+#define le_to_npu16(v)          (v)
+#define le_to_npu32(v)          (v)
+#define le_to_npu64(v)          (v)
+
+#define npu_to_be16(v)          le_to_be16((u16)(v))
+#define npu_to_be32(v)          le_to_be32((u32)(v))
+#define npu_to_be64(v)          le_to_be64((u64)(v))
+#define be_to_npu16(v)          be_to_le16((u16)(v))
+#define be_to_npu32(v)          be_to_le32((u32)(v))
+#define be_to_npu64(v)          be_to_le64((u64)(v))
+#endif /* !cpu_to_le32 */
+
+static inline u16 REVERT_BIT_MASK16(u16 mask)
+{
+	mask = ((mask & 0x5555) << 1) | ((mask & 0xAAAA) >> 1);
+	mask = ((mask & 0x3333) << 2) | ((mask & 0xCCCC) >> 2);
+	mask = ((mask & 0x0F0F) << 4) | ((mask & 0xF0F0) >> 4);
+	return ((mask & 0x00FF) << 8) | ((mask & 0xFF00) >> 8);
+}
+
+static inline u32 REVERT_BIT_MASK32(u32 mask)
+{
+	mask = ((mask & 0x55555555) << 1) | ((mask & 0xAAAAAAAA) >> 1);
+	mask = ((mask & 0x33333333) << 2) | ((mask & 0xCCCCCCCC) >> 2);
+	mask = ((mask & 0x0F0F0F0F) << 4) | ((mask & 0xF0F0F0F0) >> 4);
+	mask = ((mask & 0x00FF00FF) << 8) | ((mask & 0xFF00FF00) >> 8);
+	return ((mask & 0x0000FFFF) << 16) | ((mask & 0xFFFF0000) >> 16);
+}
+
+static inline u64 REVERT_BIT_MASK64(u64 mask)
+{
+	mask = ((mask & 0x5555555555555555) << 1) |
+	       ((mask & 0xAAAAAAAAAAAAAAAA) >> 1);
+	mask = ((mask & 0x3333333333333333) << 2) |
+	       ((mask & 0xCCCCCCCCCCCCCCCC) >> 2);
+	mask = ((mask & 0x0F0F0F0F0F0F0F0F) << 4) |
+	       ((mask & 0xF0F0F0F0F0F0F0F0) >> 4);
+	mask = ((mask & 0x00FF00FF00FF00FF) << 8) |
+	       ((mask & 0xFF00FF00FF00FF00) >> 8);
+	mask = ((mask & 0x0000FFFF0000FFFF) << 16) |
+	       ((mask & 0xFFFF0000FFFF0000) >> 16);
+	return ((mask & 0x00000000FFFFFFFF) << 32) |
+	       ((mask & 0xFFFFFFFF00000000) >> 32);
+}
+
+#define IOMEM
+
+#define prefetch(x) rte_prefetch0(x)
+
+#define ARRAY_SIZE(x) ((int32_t)RTE_DIM(x))
+
+#ifndef MAX_UDELAY_MS
+#define MAX_UDELAY_MS 5
+#endif
+
+#define ETH_ADDR_LEN	6
+#define ETH_FCS_LEN	4
+
+/* Check whether address is multicast. This is little-endian specific check.*/
+#define NGBE_IS_MULTICAST(address) \
+		rte_is_multicast_ether_addr(address)
+
+/* Check whether an address is broadcast. */
+#define NGBE_IS_BROADCAST(address) \
+		rte_is_broadcast_ether_addr(address)
+
+#define ETH_P_8021Q      0x8100
+#define ETH_P_8021AD     0x88A8
+
+#endif /* _NGBE_OS_H_ */
diff --git a/drivers/net/ngbe/base/ngbe_type.h b/drivers/net/ngbe/base/ngbe_type.h
new file mode 100644
index 0000000000..d172f2702f
--- /dev/null
+++ b/drivers/net/ngbe/base/ngbe_type.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
+ */
+
+#ifndef _NGBE_TYPE_H_
+#define _NGBE_TYPE_H_
+
+#include "ngbe_status.h"
+#include "ngbe_osdep.h"
+#include "ngbe_devids.h"
+
+enum ngbe_mac_type {
+	ngbe_mac_unknown = 0,
+	ngbe_mac_em,
+	ngbe_mac_em_vf,
+	ngbe_num_macs
+};
+
+enum ngbe_phy_type {
+	ngbe_phy_unknown = 0,
+	ngbe_phy_none,
+	ngbe_phy_rtl,
+	ngbe_phy_mvl,
+	ngbe_phy_mvl_sfi,
+	ngbe_phy_yt8521s,
+	ngbe_phy_yt8521s_sfi,
+	ngbe_phy_zte,
+	ngbe_phy_cu_mtd,
+};
+
+enum ngbe_media_type {
+	ngbe_media_type_unknown = 0,
+	ngbe_media_type_fiber,
+	ngbe_media_type_fiber_qsfp,
+	ngbe_media_type_copper,
+	ngbe_media_type_backplane,
+	ngbe_media_type_cx4,
+	ngbe_media_type_virtual
+};
+
+struct ngbe_hw;
+
+/* Bus parameters */
+struct ngbe_bus_info {
+	void (*set_lan_id)(struct ngbe_hw *hw);
+
+	u16 func;
+	u8 lan_id;
+};
+
+struct ngbe_mac_info {
+	enum ngbe_mac_type type;
+};
+
+struct ngbe_phy_info {
+	enum ngbe_media_type media_type;
+	enum ngbe_phy_type type;
+};
+
+struct ngbe_hw {
+	void IOMEM *hw_addr;
+	void *back;
+	struct ngbe_mac_info mac;
+	struct ngbe_phy_info phy;
+	struct ngbe_bus_info bus;
+	u16 device_id;
+	u16 vendor_id;
+	u16 sub_device_id;
+	u16 sub_system_id;
+
+	bool is_pf;
+};
+
+#include "ngbe_regs.h"
+#include "ngbe_dummy.h"
+
+#endif /* _NGBE_TYPE_H_ */
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index e05766752a..a355c7dc29 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -8,9 +8,11 @@
 #include <ethdev_pci.h>
 
 #include "ngbe_logs.h"
-#include <base/ngbe_devids.h>
+#include "base/ngbe.h"
 #include "ngbe_ethdev.h"
 
+static int ngbe_dev_close(struct rte_eth_dev *dev);
+
 /*
  * The set of PCI devices this driver supports
  */
@@ -34,6 +36,8 @@ static int
 eth_ngbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 {
 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+	struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
+	int err;
 
 	PMD_INIT_FUNC_TRACE();
 
@@ -42,7 +46,21 @@ eth_ngbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 
 	rte_eth_copy_pci_info(eth_dev, pci_dev);
 
-	return -EINVAL;
+	/* Vendor and Device ID need to be set before init of shared code */
+	hw->device_id = pci_dev->id.device_id;
+	hw->vendor_id = pci_dev->id.vendor_id;
+	hw->sub_system_id = pci_dev->id.subsystem_device_id;
+	ngbe_map_device_id(hw);
+	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
+
+	/* Initialize the shared code (base driver) */
+	err = ngbe_init_shared_code(hw);
+	if (err != 0) {
+		PMD_INIT_LOG(ERR, "Shared code init failed: %d", err);
+		return -EIO;
+	}
+
+	return 0;
 }
 
 static int
@@ -53,9 +71,9 @@ eth_ngbe_dev_uninit(struct rte_eth_dev *eth_dev)
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 		return 0;
 
-	RTE_SET_USED(eth_dev);
+	ngbe_dev_close(eth_dev);
 
-	return -EINVAL;
+	return 0;
 }
 
 static int
@@ -86,6 +104,19 @@ static struct rte_pci_driver rte_ngbe_pmd = {
 	.remove = eth_ngbe_pci_remove,
 };
 
+/*
+ * Reset and stop device.
+ */
+static int
+ngbe_dev_close(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+
+	RTE_SET_USED(dev);
+
+	return -EINVAL;
+}
+
 RTE_PMD_REGISTER_PCI(net_ngbe, rte_ngbe_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_ngbe, pci_id_ngbe_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_ngbe, "* igb_uio | uio_pci_generic | vfio-pci");
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index 38f55f7fb1..d4d02c6bd8 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -10,7 +10,24 @@
  * Structure to store private data for each driver instance (for each port).
  */
 struct ngbe_adapter {
-	void *back;
+	struct ngbe_hw             hw;
 };
 
+static inline struct ngbe_adapter *
+ngbe_dev_adapter(struct rte_eth_dev *dev)
+{
+	struct ngbe_adapter *ad = dev->data->dev_private;
+
+	return ad;
+}
+
+static inline struct ngbe_hw *
+ngbe_dev_hw(struct rte_eth_dev *dev)
+{
+	struct ngbe_adapter *ad = ngbe_dev_adapter(dev);
+	struct ngbe_hw *hw = &ad->hw;
+
+	return hw;
+}
+
 #endif /* _NGBE_ETHDEV_H_ */
-- 
2.21.0.windows.1