[dpdk-dev] [PATCH 2/3] net/enetc: add ENETC PMD with basic operations

[Gagandeep Singh <g.singh@nxp.com>]

This patch introduces the enetc PMD with basic
initialisation functions includes probe, teardown,
hardware intialisation

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
---
 MAINTAINERS                                 |   1 +
 config/common_base                          |   5 +
 config/common_linuxapp                      |   5 +
 doc/guides/nics/enetc.rst                   |   1 +
 doc/guides/nics/features/enetc.ini          |   2 +
 drivers/net/Makefile                        |   1 +
 drivers/net/enetc/Makefile                  |  24 ++
 drivers/net/enetc/base/enetc_hw.h           | 220 ++++++++++++++++
 drivers/net/enetc/enetc.h                   | 111 ++++++++
 drivers/net/enetc/enetc_ethdev.c            | 269 ++++++++++++++++++++
 drivers/net/enetc/enetc_logs.h              |  40 +++
 drivers/net/enetc/meson.build               |  10 +
 drivers/net/enetc/rte_pmd_enetc_version.map |   4 +
 drivers/net/meson.build                     |   1 +
 mk/rte.app.mk                               |   1 +
 15 files changed, 695 insertions(+)
 create mode 100644 drivers/net/enetc/Makefile
 create mode 100644 drivers/net/enetc/base/enetc_hw.h
 create mode 100644 drivers/net/enetc/enetc.h
 create mode 100644 drivers/net/enetc/enetc_ethdev.c
 create mode 100644 drivers/net/enetc/enetc_logs.h
 create mode 100644 drivers/net/enetc/meson.build
 create mode 100644 drivers/net/enetc/rte_pmd_enetc_version.map

diff --git a/MAINTAINERS b/MAINTAINERS
index eaf75b7bf..fac43bd2a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -629,6 +629,7 @@ F: doc/guides/nics/features/nfp*.ini
 
 NXP enetc
 M: Gagandeep Singh <g.singh@nxp.com>
+F: drivers/net/enetc/
 F: doc/guides/nics/enetc.rst
 F: doc/guides/nics/features/enetc.ini
 
diff --git a/config/common_base b/config/common_base
index 4bcbaf923..474b1da4c 100644
--- a/config/common_base
+++ b/config/common_base
@@ -910,3 +910,8 @@ CONFIG_RTE_APP_CRYPTO_PERF=y
 # Compile the eventdev application
 #
 CONFIG_RTE_APP_EVENTDEV=y
+
+#
+# Compile NXP ENETC PMD Driver
+#
+CONFIG_RTE_LIBRTE_ENETC_PMD=n
diff --git a/config/common_linuxapp b/config/common_linuxapp
index 9c5ea9d89..485e1467d 100644
--- a/config/common_linuxapp
+++ b/config/common_linuxapp
@@ -44,3 +44,8 @@ CONFIG_RTE_LIBRTE_PMD_DPAA2_EVENTDEV=y
 CONFIG_RTE_LIBRTE_PMD_DPAA2_SEC=y
 CONFIG_RTE_LIBRTE_PMD_DPAA2_CMDIF_RAWDEV=y
 CONFIG_RTE_LIBRTE_PMD_DPAA2_QDMA_RAWDEV=y
+
+#
+# NXP ENETC PMD Driver
+#
+CONFIG_RTE_LIBRTE_ENETC_PMD=y
diff --git a/doc/guides/nics/enetc.rst b/doc/guides/nics/enetc.rst
index 067cd474b..688a2fa71 100644
--- a/doc/guides/nics/enetc.rst
+++ b/doc/guides/nics/enetc.rst
@@ -49,6 +49,7 @@ This infrastructure simplifies adding support for IEP and facilitates in followi
 ENETC Features
 ~~~~~~~~~~~~~~
 
+- Link Status
 
 NIC Driver (PMD)
 ~~~~~~~~~~~~~~~~
diff --git a/doc/guides/nics/features/enetc.ini b/doc/guides/nics/features/enetc.ini
index fb1bf5989..83b20845a 100644
--- a/doc/guides/nics/features/enetc.ini
+++ b/doc/guides/nics/features/enetc.ini
@@ -4,5 +4,7 @@
 ; Refer to default.ini for the full list of available PMD features.
 ;
 [Features]
+Link status          = Y
+Linux VFIO           = Y
 ARMv8                = Y
 Usage doc            = Y
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 664398de9..3ad436045 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -24,6 +24,7 @@ DIRS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD) += dpaa2
 endif
 DIRS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000
 DIRS-$(CONFIG_RTE_LIBRTE_ENA_PMD) += ena
+DIRS-$(CONFIG_RTE_LIBRTE_ENETC_PMD) += enetc
 DIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_FAILSAFE) += failsafe
 DIRS-$(CONFIG_RTE_LIBRTE_FM10K_PMD) += fm10k
diff --git a/drivers/net/enetc/Makefile b/drivers/net/enetc/Makefile
new file mode 100644
index 000000000..3f4ba97da
--- /dev/null
+++ b/drivers/net/enetc/Makefile
@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright 2018 NXP
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_pmd_enetc.a
+
+CFLAGS += -O3
+EXPORT_MAP := rte_pmd_enetc_version.map
+LIBABIVER := 1
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_ENETC_PMD) += enetc_ethdev.c
+
+LDLIBS += -lrte_eal
+LDLIBS += -lrte_ethdev
+LDLIBS += -lrte_bus_pci
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/enetc/base/enetc_hw.h b/drivers/net/enetc/base/enetc_hw.h
new file mode 100644
index 000000000..806b26a2c
--- /dev/null
+++ b/drivers/net/enetc/base/enetc_hw.h
@@ -0,0 +1,220 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#ifndef _ENETC_HW_H_
+#define _ENETC_HW_H_
+#include <rte_io.h>
+
+#define BIT(x)		((uint64_t)1 << ((x)))
+
+/* ENETC device IDs */
+#define ENETC_DEV_ID_VF		0xef00
+#define ENETC_DEV_ID		0xe100
+
+/* ENETC register block BAR */
+#define ENETC_BAR_REGS			0x0
+
+/* SI regs, offset: 0h */
+#define ENETC_SIMR			0x0
+#define ENETC_SIMR_EN			BIT(31)
+
+#define ENETC_SIPMAR0			0x80
+#define ENETC_SIPMAR1			0x84
+
+#define ENETC_SICAPR0			0x900
+#define ENETC_SICAPR1			0x904
+
+#define ENETC_SIMSITRV(n)		(0xB00 + (n) * 0x4)
+#define ENETC_SIMSIRRV(n)		(0xB80 + (n) * 0x4)
+
+#define ENETC_SICCAPR			0x1200
+
+/* enum for BD type */
+enum enetc_bdr_type {TX, RX};
+
+#define ENETC_BDR(type, n, off)		(0x8000 + (type) * 0x100 + (n) * 0x200 \
+							+ (off))
+/* RX BDR reg offsets */
+#define ENETC_RBMR		0x0 /* RX BDR mode register*/
+#define ENETC_RBMR_EN		BIT(31)
+
+#define ENETC_RBSR		0x4  /* Rx BDR status register*/
+#define ENETC_RBBSR		0x8  /* Rx BDR buffer size register*/
+#define ENETC_RBCIR		0xc  /* Rx BDR consumer index register*/
+#define ENETC_RBBAR0		0x10 /* Rx BDR base address register 0 */
+#define ENETC_RBBAR1		0x14 /* Rx BDR base address register 1*/
+#define ENETC_RBPIR		0x18 /* Rx BDR producer index register*/
+#define ENETC_RBLENR		0x20 /* Rx BDR length register*/
+#define ENETC_RBIER		0xa0 /* Rx BDR interrupt enable register*/
+#define ENETC_RBIER_RXTIE	BIT(0)
+#define ENETC_RBIDR		0xa4 /* Rx BDR interrupt detect register*/
+#define ENETC_RBICIR0		0xa8 /* Rx BDR inetrrupt coalescing register 0*/
+#define ENETC_RBICIR0_ICEN	BIT(31)
+
+
+#define ENETC_TBMR	0x0  /* Tx BDR mode register (TBMR) 32 RW */
+#define ENETC_TBSR	0x4  /* x BDR status register (TBSR) 32 RO */
+#define ENETC_TBBAR0	0x10 /* Tx BDR base address register 0 (TBBAR0) 32 RW */
+#define ENETC_TBBAR1	0x14 /* Tx BDR base address register 1 (TBBAR1) 32 RW */
+#define ENETC_TBCIR	0x18 /* Tx BDR consumer index register (TBCIR) 32 RW */
+#define ENETC_TBCISR	0x1C /* Tx BDR consumer index shadow register 32 RW */
+#define ENETC_TBIER	0xA0 /* Tx BDR interrupt enable register 32 RW */
+#define ENETC_TBIDR	0xA4 /* Tx BDR interrupt detect register 32 RO */
+#define ENETC_TBICR0	0xA8 /* Tx BDR interrupt coalescing register 0 32 RW */
+#define ENETC_TBICR1	0xAC /* Tx BDR interrupt coalescing register 1 32 RW */
+#define ENETC_TBLENR	0x20
+
+#define ENETC_TBCISR_IDX_MASK		0xffff
+#define ENETC_TBIER_TXFIE		BIT(1)
+
+#define ENETC_RTBLENR_LEN(n)		((n) & ~0x7)
+#define ENETC_TBMR_EN			BIT(31)
+
+/* Port regs, offset: 1_0000h */
+#define ENETC_PORT_BASE			0x10000
+#define ENETC_PMR			0x00000
+#define ENETC_PMR_EN			(BIT(16) | BIT(17) | BIT(18))
+#define ENETC_PSR			0x00004 /* RO */
+#define ENETC_PSIPMR			0x00018
+#define ENETC_PSIPMR_SET_UP(n)		(0x1 << (n)) /* n = SI index */
+#define ENETC_PSIPMR_SET_MP(n)		(0x1 << ((n) + 8))
+#define ENETC_PSIPMR_SET_VLAN_MP(n)	(0x1 << ((n) + 16))
+#define ENETC_PSIPMAR0(n)		(0x00100 + (n) * 0x20)
+#define ENETC_PSIPMAR1(n)		(0x00104 + (n) * 0x20)
+#define ENETC_PCAPR0			0x00900
+#define ENETC_PCAPR1			0x00904
+
+#define ENETC_PV0CFGR(n)		(0x00920 + (n) * 0x10)
+#define ENETC_PVCFGR_SET_TXBDR(val)	((val) & 0xff)
+#define ENETC_PVCFGR_SET_RXBDR(val)	(((val) & 0xff) << 16)
+
+#define ENETC_PM0_CMD_CFG		0x08008
+#define ENETC_PM0_TX_EN			BIT(0)
+#define ENETC_PM0_RX_EN			BIT(1)
+
+#define ENETC_PM0_MAXFRM		0x08014
+#define ENETC_SET_MAXFRM(val)		((val) << 16)
+
+/* Global regs, offset: 2_0000h */
+#define ENETC_GLOBAL_BASE		0x20000
+#define ENETC_G_EIPBRR0			0x00bf8
+#define ENETC_G_EIPBRR1			0x00bfc
+
+#define ETH_ADDR_LEN			6
+
+/* general register accessors */
+#define enetc_rd_reg(reg)	rte_read32((reg))
+#define enetc_wr_reg(reg, val)	rte_write32((val), (reg))
+#define enetc_rd(hw, off)	enetc_rd_reg((hw)->reg + (off))
+#define enetc_wr(hw, off, val)	enetc_wr_reg((hw)->reg + (off), val)
+/* port register accessors - PF only */
+#define enetc_port_rd(hw, off)		enetc_rd_reg((hw)->port + (off))
+#define enetc_port_wr(hw, off, val)	enetc_wr_reg((hw)->port + (off), val)
+/* global register accessors - PF only */
+#define enetc_global_rd(hw, off)	enetc_rd_reg((hw)->global + (off))
+#define enetc_global_wr(hw, off, val)	enetc_wr_reg((hw)->global + (off), val)
+/* BDR register accessors, see ENETC_BDR() */
+#define enetc_bdr_rd(hw, t, n, off) \
+				enetc_rd(hw, ENETC_BDR(t, n, off))
+#define enetc_bdr_wr(hw, t, n, off, val) \
+				enetc_wr(hw, ENETC_BDR(t, n, off), val)
+
+#define enetc_txbdr_rd(hw, n, off) enetc_bdr_rd(hw, TX, n, off)
+#define enetc_rxbdr_rd(hw, n, off) enetc_bdr_rd(hw, RX, n, off)
+#define enetc_txbdr_wr(hw, n, off, val) \
+				enetc_bdr_wr(hw, TX, n, off, val)
+#define enetc_rxbdr_wr(hw, n, off, val) \
+				enetc_bdr_wr(hw, RX, n, off, val)
+
+#define ENETC_TX_ADDR(txq, addr) ((void *)(txq->enetc_txbdr + addr))
+
+#define ENETC_TXBD_FLAGS_IE		BIT(13)
+#define ENETC_TXBD_FLAGS_F		BIT(15)
+
+/* ENETC Parsed values (Little Endian) */
+#define ENETC_PKT_TYPE_ETHER            0x0060
+#define ENETC_PKT_TYPE_IPV4             0x0000
+#define ENETC_PKT_TYPE_IPV6             0x0020
+#define ENETC_PKT_TYPE_IPV4_TCP \
+			(0x0010 | ENETC_PKT_TYPE_IPV4)
+#define ENETC_PKT_TYPE_IPV6_TCP \
+			(0x0010 | ENETC_PKT_TYPE_IPV6)
+#define ENETC_PKT_TYPE_IPV4_UDP \
+			(0x0011 | ENETC_PKT_TYPE_IPV4)
+#define ENETC_PKT_TYPE_IPV6_UDP \
+			(0x0011 | ENETC_PKT_TYPE_IPV6)
+#define ENETC_PKT_TYPE_IPV4_SCTP \
+			(0x0013 | ENETC_PKT_TYPE_IPV4)
+#define ENETC_PKT_TYPE_IPV6_SCTP \
+			(0x0013 | ENETC_PKT_TYPE_IPV6)
+#define ENETC_PKT_TYPE_IPV4_ICMP \
+			(0x0003 | ENETC_PKT_TYPE_IPV4)
+#define ENETC_PKT_TYPE_IPV6_ICMP \
+			(0x0003 | ENETC_PKT_TYPE_IPV6)
+
+/* PCI device info */
+struct enetc_hw {
+	/* SI registers, used by all PCI functions */
+	void *reg;
+	/* Port registers, PF only */
+	void *port;
+	/* IP global registers, PF only */
+	void *global;
+};
+
+struct enetc_eth_mac_info {
+	uint8_t addr[ETH_ADDR_LEN];
+	uint8_t perm_addr[ETH_ADDR_LEN];
+	bool get_link_status;
+};
+
+struct enetc_eth_hw {
+	struct net_device *ndev;
+	struct enetc_hw hw;
+	uint16_t device_id;
+	uint16_t vendor_id;
+	uint8_t revision_id;
+	struct enetc_eth_mac_info mac;
+};
+
+/* Transmit Descriptor */
+struct enetc_tx_desc {
+	uint64_t addr;
+	uint16_t frm_len;
+	uint16_t buf_len;
+	uint32_t flags_errors;
+};
+
+/* TX Buffer Descriptors (BD) */
+struct enetc_tx_bd {
+	uint64_t addr;
+	uint16_t buf_len;
+	uint16_t frm_len;
+	uint16_t err_csum;
+	uint16_t flags;
+};
+
+/* RX buffer descriptor */
+union enetc_rx_bd {
+	struct {
+		uint64_t addr;
+		uint8_t reserved[8];
+	} w;
+	struct {
+		uint16_t inet_csum;
+		uint16_t parse_summary;
+		uint32_t rss_hash;
+		uint16_t buf_len;
+		uint16_t vlan_opt;
+		union {
+			struct {
+				uint16_t flags;
+				uint16_t error;
+			};
+			uint32_t lstatus;
+		};
+	} r;
+};
+
+#endif
diff --git a/drivers/net/enetc/enetc.h b/drivers/net/enetc/enetc.h
new file mode 100644
index 000000000..2dc9f042a
--- /dev/null
+++ b/drivers/net/enetc/enetc.h
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#ifndef _ENETC_H_
+#define _ENETC_H_
+
+#include <rte_time.h>
+
+#include "base/enetc_hw.h"
+
+#define PCI_VENDOR_ID_FREESCALE 0x1957
+
+/* Max TX rings per ENETC. */
+#define MAX_TX_RINGS	2
+
+/* Max RX rings per ENTEC. */
+#define MAX_RX_RINGS	1
+
+/* Max BD counts per Ring. */
+#define MAX_BD_COUNT	256
+
+/*
+ * upper_32_bits - return bits 32-63 of a number
+ * @n: the number we're accessing
+ *
+ * A basic shift-right of a 64- or 32-bit quantity.  Use this to suppress
+ * the "right shift count >= width of type" warning when that quantity is
+ * 32-bits.
+ */
+#define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
+
+/*
+ * lower_32_bits - return bits 0-31 of a number
+ * @n: the number we're accessing
+ */
+#define lower_32_bits(n) ((uint32_t)(n))
+
+#define ENETC_TXBD(BDR, i) (&(((struct enetc_tx_bd *)((BDR).bd_base))[i]))
+#define ENETC_RXBD(BDR, i) (&(((union enetc_rx_bd *)((BDR).bd_base))[i]))
+
+struct enetc_swbd {
+	struct rte_mbuf *buffer_addr;
+};
+
+struct enetc_bdr {
+	struct net_device *ndev;
+	struct rte_mempool *mb_pool;   /* mbuf pool to populate RX ring. */
+	void *bd_base;			/* points to Rx or Tx BD ring */
+	union {
+		void *tcir;
+		void *rcir;
+	};
+	uint16_t index;
+	int bd_count; /* # of BDs */
+	int next_to_use;
+	int next_to_clean;
+	struct enetc_swbd *q_swbd;
+	union {
+		void *tcisr; /* Tx */
+		int next_to_alloc; /* Rx */
+	};
+};
+
+/*
+ * Structure to store private data for each driver instance (for each port).
+ */
+struct enetc_eth_adapter {
+	struct net_device *ndev;
+	struct enetc_eth_hw hw;
+	uint16_t num_rx_rings, num_tx_rings;
+	uint16_t rx_bd_count, tx_bd_count;
+	struct enetc_bdr *tx_ring[MAX_TX_RINGS];
+	struct enetc_bdr *rx_ring[MAX_RX_RINGS];
+};
+
+#define ENETC_DEV_PRIVATE(adapter) \
+	((struct enetc_eth_adapter *)adapter)
+
+#define ENETC_DEV_PRIVATE_TO_HW(adapter) \
+	(&((struct enetc_eth_adapter *)adapter)->hw)
+
+#define ENETC_DEV_PRIVATE_TO_STATS(adapter) \
+	(&((struct enetc_eth_adapter *)adapter)->stats)
+
+#define ENETC_DEV_PRIVATE_TO_INTR(adapter) \
+	(&((struct enetc_eth_adapter *)adapter)->intr)
+
+#define ENETC_GET_HW_ADDR(reg, addr) ((void *)(reg + addr))
+#define ENETC_REG_READ(addr) (*(uint32_t *)addr)
+#define ENETC_REG_WRITE(addr, val) (*(uint32_t *)addr = val)
+#define ENETC_REG_WRITE_RELAXED(addr, val) (*(uint32_t *)addr = val)
+
+/*
+ * RX/TX ENETC function prototypes
+ */
+int enetc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+		uint16_t nb_rx_desc, unsigned int socket_id,
+		const struct rte_eth_rxconf *rx_conf,
+		struct rte_mempool *mb_pool);
+
+int enetc_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);
+
+uint16_t enetc_xmit_pkts(void *txq, struct rte_mbuf **tx_pkts,
+		uint16_t nb_pkts);
+uint16_t enetc_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts,
+		uint16_t nb_pkts);
+
+#endif /* _ENETC_H_ */
diff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c
new file mode 100644
index 000000000..06438835d
--- /dev/null
+++ b/drivers/net/enetc/enetc_ethdev.c
@@ -0,0 +1,269 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#include <stdbool.h>
+#include <rte_ethdev_pci.h>
+
+#include "enetc_logs.h"
+#include "enetc.h"
+
+int enetc_logtype_pmd;
+
+/* Functions Prototypes */
+static int enetc_dev_configure(struct rte_eth_dev *dev);
+static int enetc_dev_start(struct rte_eth_dev *dev);
+static void enetc_dev_stop(struct rte_eth_dev *dev);
+static void enetc_dev_close(struct rte_eth_dev *dev);
+static void enetc_dev_infos_get(struct rte_eth_dev *dev,
+			struct rte_eth_dev_info *dev_info);
+static int enetc_link_update(struct rte_eth_dev *dev, int wait_to_complete);
+static int enetc_hardware_init(struct enetc_eth_hw *hw);
+
+/*
+ * The set of PCI devices this driver supports
+ */
+static const struct rte_pci_id pci_id_enetc_map[] = {
+	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, ENETC_DEV_ID) },
+	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, ENETC_DEV_ID_VF) },
+	{ .vendor_id = 0, /* sentinel */ },
+};
+
+/* Features supported by this driver */
+static const struct eth_dev_ops enetc_ops = {
+	.dev_configure        = enetc_dev_configure,
+	.dev_start            = enetc_dev_start,
+	.dev_stop             = enetc_dev_stop,
+	.dev_close            = enetc_dev_close,
+	.link_update          = enetc_link_update,
+	.dev_infos_get        = enetc_dev_infos_get,
+};
+
+/**
+ * Initialisation of the enetc device
+ *
+ * @param eth_dev
+ *   - Pointer to the structure rte_eth_dev
+ *
+ * @return
+ *   - On success, zero.
+ *   - On failure, negative value.
+ */
+static int
+enetc_dev_init(struct rte_eth_dev *eth_dev)
+{
+	int error = 0, i;
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+	struct enetc_eth_hw *hw =
+		ENETC_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+	struct enetc_eth_adapter *adapter =
+		ENETC_DEV_PRIVATE(eth_dev->data->dev_private);
+
+	PMD_INIT_FUNC_TRACE();
+	eth_dev->dev_ops = &enetc_ops;
+	eth_dev->rx_pkt_burst = NULL;
+	eth_dev->tx_pkt_burst = NULL;
+
+	rte_eth_copy_pci_info(eth_dev, pci_dev);
+
+	/* Retrieving and storing the HW base address of device */
+	hw->hw.reg = (void *)pci_dev->mem_resource[0].addr;
+
+	adapter->tx_bd_count = MAX_BD_COUNT;
+	adapter->rx_bd_count = MAX_BD_COUNT;
+
+	adapter->num_rx_rings = MAX_RX_RINGS;
+	adapter->num_tx_rings = MAX_TX_RINGS;
+
+	for (i = 0; i < adapter->num_rx_rings; i++) {
+		adapter->rx_ring[i] = rte_zmalloc(NULL,
+						sizeof(struct enetc_bdr), 0);
+		if (!adapter->rx_ring[i]) {
+			ENETC_PMD_ERR("Failed to allocate RX ring memory");
+			while (--i >= 0)
+				rte_free(adapter->rx_ring[i]);
+			error = -ENOMEM;
+			goto err_late;
+		}
+		adapter->rx_ring[i]->bd_count = adapter->rx_bd_count;
+	}
+
+	for (i = 0; i < adapter->num_tx_rings; i++) {
+		adapter->tx_ring[i] = rte_zmalloc(NULL,
+						sizeof(struct enetc_bdr), 0);
+		if (!adapter->tx_ring[i]) {
+			ENETC_PMD_ERR("Failed to allocate TX ring memory");
+			while (--i >= 0)
+				rte_free(adapter->tx_ring[i]);
+			error = -ENOMEM;
+			goto err_second;
+		}
+		adapter->tx_ring[i]->bd_count = adapter->tx_bd_count;
+	}
+
+	error = enetc_hardware_init(hw);
+	if (error != 0) {
+		ENETC_PMD_ERR("Hardware initialization failed");
+		goto err_first;
+	}
+
+	/* Allocate memory for storing MAC addresses */
+	eth_dev->data->mac_addrs = rte_zmalloc("enetc_eth",
+		ETHER_ADDR_LEN, 0);
+	if (!eth_dev->data->mac_addrs) {
+		ENETC_PMD_ERR("Failed to allocate %d bytes needed to "
+						"store MAC addresses",
+				ETHER_ADDR_LEN * 1);
+		error = -ENOMEM;
+		goto err_first;
+	}
+
+	/* Copy the permanent MAC address */
+	ether_addr_copy((struct ether_addr *)hw->mac.addr,
+						&eth_dev->data->mac_addrs[0]);
+
+	ENETC_PMD_DEBUG("port_id %d vendorID=0x%x deviceID=0x%x",
+			eth_dev->data->port_id, pci_dev->id.vendor_id,
+			pci_dev->id.device_id);
+	return 0;
+
+err_first:
+	for (i = 0; i < adapter->num_tx_rings; i++)
+		rte_free(adapter->tx_ring[i]);
+err_second:
+	for (i = 0; i < adapter->num_rx_rings; i++)
+		rte_free(adapter->rx_ring[i]);
+err_late:
+	return error;
+}
+
+static int
+enetc_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+	return 0;
+}
+
+static int
+enetc_dev_configure(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	return 0;
+}
+
+static int
+enetc_dev_start(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	return 0;
+}
+
+static void
+enetc_dev_stop(struct rte_eth_dev *dev)
+{
+}
+
+static void
+enetc_dev_close(struct rte_eth_dev *dev)
+{
+}
+
+/* return 0 means link status changed, -1 means not changed */
+static int
+enetc_link_update(struct rte_eth_dev *dev, int wait_to_complete)
+{
+	struct enetc_eth_hw *hw =
+		ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct rte_eth_link link;
+
+	hw->mac.get_link_status = 1;
+
+	memset(&link, 0, sizeof(link));
+	rte_eth_linkstatus_get(dev, &link);
+
+	link.link_duplex = ETH_LINK_FULL_DUPLEX;
+	link.link_status = ETH_LINK_UP;
+	rte_eth_linkstatus_set(dev, &link);
+
+	return 0;
+}
+
+static int
+enetc_hardware_init(struct enetc_eth_hw *hw)
+{
+	uint32_t psipmr = 0;
+
+	/* Calculating and storing the base HW addresses */
+	hw->hw.port = hw->hw.reg + ENETC_PORT_BASE;
+	hw->hw.global = hw->hw.reg + ENETC_GLOBAL_BASE;
+
+	/* Enabling Station Interface */
+	ENETC_REG_WRITE(ENETC_GET_HW_ADDR(hw->hw.reg, ENETC_SIMR),
+								ENETC_SIMR_EN);
+
+	/* Setting to accept broadcast packets for each inetrface */
+	psipmr |= ENETC_PSIPMR_SET_UP(0) | ENETC_PSIPMR_SET_MP(0) |
+						ENETC_PSIPMR_SET_VLAN_MP(0);
+	psipmr |= ENETC_PSIPMR_SET_UP(1) | ENETC_PSIPMR_SET_MP(1) |
+						ENETC_PSIPMR_SET_VLAN_MP(1);
+	psipmr |= ENETC_PSIPMR_SET_UP(2) | ENETC_PSIPMR_SET_MP(2) |
+						ENETC_PSIPMR_SET_VLAN_MP(2);
+
+	ENETC_REG_WRITE(ENETC_GET_HW_ADDR(hw->hw.port, ENETC_PSIPMR),
+			psipmr);
+
+	ENETC_REG_WRITE(ENETC_GET_HW_ADDR(hw->hw.port, ENETC_PM0_CMD_CFG),
+			ENETC_PM0_TX_EN | ENETC_PM0_RX_EN);
+
+	/* Enable port */
+	ENETC_REG_WRITE(ENETC_GET_HW_ADDR(hw->hw.port, ENETC_PMR),
+							ENETC_PMR_EN);
+
+	/* Enabling broadcast address */
+	ENETC_REG_WRITE(ENETC_GET_HW_ADDR(hw->hw.port, ENETC_PSIPMAR0(0)),
+								0xFFFFFFFF);
+	ENETC_REG_WRITE(ENETC_GET_HW_ADDR(hw->hw.port, ENETC_PSIPMAR1(0)),
+								0xFFFF << 16);
+
+	return 0;
+}
+
+static void
+enetc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+	struct enetc_eth_adapter *adapter =
+		ENETC_DEV_PRIVATE(dev->data->dev_private);
+
+	dev_info->max_rx_queues = adapter->num_rx_rings;
+	dev_info->max_tx_queues = adapter->num_tx_rings;
+	dev_info->max_rx_pktlen = 1500;
+}
+
+static int enetc_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+	struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_probe(pci_dev,
+		sizeof(struct enetc_eth_adapter), enetc_dev_init);
+}
+
+static int enetc_pci_remove(struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_remove(pci_dev, enetc_dev_uninit);
+}
+
+static struct rte_pci_driver rte_enetc_pmd = {
+	.id_table = pci_id_enetc_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_IOVA_AS_VA,
+	.probe = enetc_pci_probe,
+	.remove = enetc_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_enetc, rte_enetc_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_enetc, pci_id_enetc_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_enetc, "* vfio-pci");
+
+RTE_INIT(enetc_pmd_init_log)
+{
+	enetc_logtype_pmd = rte_log_register("pmd.net.enetc");
+	if (enetc_logtype_pmd >= 0)
+		rte_log_set_level(enetc_logtype_pmd, RTE_LOG_NOTICE);
+}
diff --git a/drivers/net/enetc/enetc_logs.h b/drivers/net/enetc/enetc_logs.h
new file mode 100644
index 000000000..c8a6c0cf3
--- /dev/null
+++ b/drivers/net/enetc/enetc_logs.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#ifndef _ENETC_LOGS_H_
+#define _ENETC_LOGS_H_
+
+extern int enetc_logtype_pmd;
+
+#define ENETC_PMD_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, enetc_logtype_pmd, "enetc_net: " \
+		fmt "\n", ##args)
+
+#define ENETC_PMD_DEBUG(fmt, args...) \
+	rte_log(RTE_LOG_DEBUG, enetc_logtype_pmd, "enetc_net: %s(): "\
+		fmt "\n", __func__, ##args)
+
+#define PMD_INIT_FUNC_TRACE() ENETC_PMD_DEBUG(">>")
+
+#define ENETC_PMD_CRIT(fmt, args...) \
+	ENETC_PMD_LOG(CRIT, fmt, ## args)
+#define ENETC_PMD_INFO(fmt, args...) \
+	ENETC_PMD_LOG(INFO, fmt, ## args)
+#define ENETC_PMD_ERR(fmt, args...) \
+	ENETC_PMD_LOG(ERR, fmt, ## args)
+#define ENETC_PMD_WARN(fmt, args...) \
+	ENETC_PMD_LOG(WARNING, fmt, ## args)
+
+/* DP Logs, toggled out at compile time if level lower than current level */
+#define ENETC_PMD_DP_LOG(level, fmt, args...) \
+	RTE_LOG_DP(level, PMD, fmt, ## args)
+
+#define ENETC_PMD_DP_DEBUG(fmt, args...) \
+	ENETC_PMD_DP_LOG(DEBUG, fmt, ## args)
+#define ENETC_PMD_DP_INFO(fmt, args...) \
+	ENETC_PMD_DP_LOG(INFO, fmt, ## args)
+#define ENETC_PMD_DP_WARN(fmt, args...) \
+	ENETC_PMD_DP_LOG(WARNING, fmt, ## args)
+
+#endif /* _ENETC_LOGS_H_*/
diff --git a/drivers/net/enetc/meson.build b/drivers/net/enetc/meson.build
new file mode 100644
index 000000000..506b174ed
--- /dev/null
+++ b/drivers/net/enetc/meson.build
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright 2018 NXP
+
+if host_machine.system() != 'linux'
+	build = false
+endif
+
+sources = files('enetc_ethdev.c')
+
+includes += include_directories('base')
diff --git a/drivers/net/enetc/rte_pmd_enetc_version.map b/drivers/net/enetc/rte_pmd_enetc_version.map
new file mode 100644
index 000000000..521e51f41
--- /dev/null
+++ b/drivers/net/enetc/rte_pmd_enetc_version.map
@@ -0,0 +1,4 @@
+DPDK_18.11 {
+
+	local: *;
+};
diff --git a/drivers/net/meson.build b/drivers/net/meson.build
index 9c28ed4da..65aa6f60c 100644
--- a/drivers/net/meson.build
+++ b/drivers/net/meson.build
@@ -11,6 +11,7 @@ drivers = ['af_packet',
 	'dpaa', 'dpaa2',
 	'e1000',
 	'ena',
+	'enetc',
 	'enic',
 	'failsafe',
 	'fm10k', 'i40e',
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index de33883be..154ae3b2c 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -135,6 +135,7 @@ endif
 _LDLIBS-$(CONFIG_RTE_LIBRTE_E1000_PMD)      += -lrte_pmd_e1000
 _LDLIBS-$(CONFIG_RTE_LIBRTE_ENA_PMD)        += -lrte_pmd_ena
 _LDLIBS-$(CONFIG_RTE_LIBRTE_ENIC_PMD)       += -lrte_pmd_enic
+_LDLIBS-$(CONFIG_RTE_LIBRTE_ENETC_PMD)      += -lrte_pmd_enetc
 _LDLIBS-$(CONFIG_RTE_LIBRTE_FM10K_PMD)      += -lrte_pmd_fm10k
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_FAILSAFE)   += -lrte_pmd_failsafe
 _LDLIBS-$(CONFIG_RTE_LIBRTE_I40E_PMD)       += -lrte_pmd_i40e
-- 
2.17.1