Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 2205 insertions, 0 deletions

diff --git a/src/spdk/dpdk/drivers/net/mvneta/Makefile b/src/spdk/dpdk/drivers/net/mvneta/Makefile
new file mode 100644
index 000000000..41e50479f
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/mvneta/Makefile
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Marvell International Ltd.
+# Copyright(c) 2018 Semihalf.
+# All rights reserved.
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(MAKECMDGOALS),config)
+ifeq ($(LIBMUSDK_PATH),)
+$(error "Please define LIBMUSDK_PATH environment variable")
+endif
+endif
+endif
+
+# library name
+LIB = librte_pmd_mvneta.a
+
+# versioning export map
+EXPORT_MAP := rte_pmd_mvneta_version.map
+
+# external library dependencies
+CFLAGS += -I$(RTE_SDK)/drivers/common/mvep
+CFLAGS += -I$(LIBMUSDK_PATH)/include
+CFLAGS += -DMVCONF_TYPES_PUBLIC
+CFLAGS += -DMVCONF_DMA_PHYS_ADDR_T_PUBLIC
+CFLAGS += -DMVCONF_DMA_PHYS_ADDR_T_SIZE=64
+CFLAGS += $(WERROR_FLAGS)
+CFLAGS += -O3
+LDLIBS += -L$(LIBMUSDK_PATH)/lib
+LDLIBS += -lmusdk
+LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring
+LDLIBS += -lrte_ethdev -lrte_net -lrte_kvargs -lrte_cfgfile
+LDLIBS += -lrte_bus_vdev -lrte_common_mvep
+
+# library source files
+SRCS-$(CONFIG_RTE_LIBRTE_MVNETA_PMD) += mvneta_ethdev.c mvneta_rxtx.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/src/spdk/dpdk/drivers/net/mvneta/meson.build b/src/spdk/dpdk/drivers/net/mvneta/meson.build
new file mode 100644
index 000000000..8d7202788
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/mvneta/meson.build
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Marvell International Ltd.
+# Copyright(c) 2018 Semihalf.
+# All rights reserved.
+
+path = get_option('lib_musdk_dir')
+lib_dir = path + '/lib'
+inc_dir = path + '/include'
+
+lib = cc.find_library('libmusdk', dirs : [lib_dir], required: false)
+if not lib.found()
+	build = false
+	reason = 'missing dependency, "libmusdk"'
+else
+	ext_deps += lib
+	includes += include_directories(inc_dir)
+	cflags += [
+	  '-DMVCONF_TYPES_PUBLIC',
+	  '-DMVCONF_DMA_PHYS_ADDR_T_PUBLIC',
+	  '-DMVCONF_DMA_PHYS_ADDR_T_SIZE=64'
+	]
+endif
+
+sources = files(
+	'mvneta_ethdev.c',
+	'mvneta_rxtx.c'
+)
+
+deps += ['cfgfile', 'common_mvep']
diff --git a/src/spdk/dpdk/drivers/net/mvneta/mvneta_ethdev.c b/src/spdk/dpdk/drivers/net/mvneta/mvneta_ethdev.c
new file mode 100644
index 000000000..4aea87648
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/mvneta/mvneta_ethdev.c
@@ -0,0 +1,991 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Marvell International Ltd.
+ * Copyright(c) 2018 Semihalf.
+ * All rights reserved.
+ */
+
+#include <rte_string_fns.h>
+#include <rte_ethdev_driver.h>
+#include <rte_kvargs.h>
+#include <rte_bus_vdev.h>
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <linux/ethtool.h>
+#include <linux/sockios.h>
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <rte_mvep_common.h>
+
+#include "mvneta_rxtx.h"
+
+
+#define MVNETA_IFACE_NAME_ARG "iface"
+
+#define MVNETA_PKT_SIZE_MAX (16382 - MV_MH_SIZE) /* 9700B */
+#define MVNETA_DEFAULT_MTU 1500
+
+#define MVNETA_MAC_ADDRS_MAX 256 /*16 UC, 256 IP, 256 MC/BC */
+/** Maximum length of a match string */
+#define MVNETA_MATCH_LEN 16
+
+int mvneta_logtype;
+
+static const char * const valid_args[] = {
+	MVNETA_IFACE_NAME_ARG,
+	NULL
+};
+
+struct mvneta_ifnames {
+	const char *names[NETA_NUM_ETH_PPIO];
+	int idx;
+};
+
+static int mvneta_dev_num;
+
+static int mvneta_stats_reset(struct rte_eth_dev *dev);
+static int rte_pmd_mvneta_remove(struct rte_vdev_device *vdev);
+
+
+/**
+ * Deinitialize packet processor.
+ */
+static void
+mvneta_neta_deinit(void)
+{
+	neta_deinit();
+}
+
+/**
+ * Initialize packet processor.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_neta_init(void)
+{
+	return neta_init();
+}
+
+/**
+ * Callback used by rte_kvargs_process() during argument parsing.
+ *
+ * @param key
+ *   Pointer to the parsed key (unused).
+ * @param value
+ *   Pointer to the parsed value.
+ * @param extra_args
+ *   Pointer to the extra arguments which contains address of the
+ *   table of pointers to parsed interface names.
+ *
+ * @return
+ *   Always 0.
+ */
+static int
+mvneta_ifnames_get(const char *key __rte_unused, const char *value,
+		 void *extra_args)
+{
+	struct mvneta_ifnames *ifnames = extra_args;
+
+	ifnames->names[ifnames->idx++] = value;
+
+	return 0;
+}
+
+/**
+ * Ethernet device configuration.
+ *
+ * Prepare the driver for a given number of TX and RX queues and
+ * configure RSS if supported.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_dev_configure(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	struct neta_ppio_params *ppio_params;
+
+	if (dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_NONE) {
+		MVNETA_LOG(INFO, "Unsupported RSS and rx multi queue mode %d",
+			dev->data->dev_conf.rxmode.mq_mode);
+		if (dev->data->nb_rx_queues > 1)
+			return -EINVAL;
+	}
+
+	if (dev->data->dev_conf.rxmode.split_hdr_size) {
+		MVNETA_LOG(INFO, "Split headers not supported");
+		return -EINVAL;
+	}
+
+	if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
+		dev->data->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len -
+				 MRVL_NETA_ETH_HDRS_LEN;
+
+	if (dev->data->dev_conf.txmode.offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
+		priv->multiseg = 1;
+
+	ppio_params = &priv->ppio_params;
+	ppio_params->outqs_params.num_outqs = dev->data->nb_tx_queues;
+	/* Default: 1 TC, no QoS supported. */
+	ppio_params->inqs_params.num_tcs = 1;
+	ppio_params->inqs_params.tcs_params[0].pkt_offset = MRVL_NETA_PKT_OFFS;
+	priv->ppio_id = dev->data->port_id;
+
+	return 0;
+}
+
+/**
+ * DPDK callback to get information about the device.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure (unused).
+ * @param info
+ *   Info structure output buffer.
+ */
+static int
+mvneta_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
+		   struct rte_eth_dev_info *info)
+{
+	info->speed_capa = ETH_LINK_SPEED_10M |
+			   ETH_LINK_SPEED_100M |
+			   ETH_LINK_SPEED_1G |
+			   ETH_LINK_SPEED_2_5G;
+
+	info->max_rx_queues = MRVL_NETA_RXQ_MAX;
+	info->max_tx_queues = MRVL_NETA_TXQ_MAX;
+	info->max_mac_addrs = MVNETA_MAC_ADDRS_MAX;
+
+	info->rx_desc_lim.nb_max = MRVL_NETA_RXD_MAX;
+	info->rx_desc_lim.nb_min = MRVL_NETA_RXD_MIN;
+	info->rx_desc_lim.nb_align = MRVL_NETA_RXD_ALIGN;
+
+	info->tx_desc_lim.nb_max = MRVL_NETA_TXD_MAX;
+	info->tx_desc_lim.nb_min = MRVL_NETA_TXD_MIN;
+	info->tx_desc_lim.nb_align = MRVL_NETA_TXD_ALIGN;
+
+	info->rx_offload_capa = MVNETA_RX_OFFLOADS;
+	info->rx_queue_offload_capa = MVNETA_RX_OFFLOADS;
+
+	info->tx_offload_capa =  MVNETA_TX_OFFLOADS;
+	info->tx_queue_offload_capa =  MVNETA_TX_OFFLOADS;
+
+	/* By default packets are dropped if no descriptors are available */
+	info->default_rxconf.rx_drop_en = 1;
+	/* Deferred tx queue start is not supported */
+	info->default_txconf.tx_deferred_start = 0;
+	info->default_txconf.offloads = 0;
+
+	info->max_rx_pktlen = MVNETA_PKT_SIZE_MAX;
+
+	return 0;
+}
+
+/**
+ * Return supported packet types.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure (unused).
+ *
+ * @return
+ *   Const pointer to the table with supported packet types.
+ */
+static const uint32_t *
+mvneta_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
+{
+	static const uint32_t ptypes[] = {
+		RTE_PTYPE_L2_ETHER,
+		RTE_PTYPE_L2_ETHER_VLAN,
+		RTE_PTYPE_L3_IPV4,
+		RTE_PTYPE_L3_IPV6,
+		RTE_PTYPE_L4_TCP,
+		RTE_PTYPE_L4_UDP
+	};
+
+	return ptypes;
+}
+
+/**
+ * DPDK callback to change the MTU.
+ *
+ * Setting the MTU affects hardware MRU (packets larger than the MRU
+ * will be dropped).
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param mtu
+ *   New MTU.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	uint16_t mbuf_data_size = 0; /* SW buffer size */
+	uint16_t mru;
+	int ret;
+
+	mru = MRVL_NETA_MTU_TO_MRU(mtu);
+	/*
+	 * min_rx_buf_size is equal to mbuf data size
+	 * if pmd didn't set it differently
+	 */
+	mbuf_data_size = dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
+	/* Prevent PMD from:
+	 * - setting mru greater than the mbuf size resulting in
+	 * hw and sw buffer size mismatch
+	 * - setting mtu that requires the support of scattered packets
+	 * when this feature has not been enabled/supported so far.
+	 */
+	if (!dev->data->scattered_rx &&
+	    (mru + MRVL_NETA_PKT_OFFS > mbuf_data_size)) {
+		mru = mbuf_data_size - MRVL_NETA_PKT_OFFS;
+		mtu = MRVL_NETA_MRU_TO_MTU(mru);
+		MVNETA_LOG(WARNING, "MTU too big, max MTU possible limitted by"
+			" current mbuf size: %u. Set MTU to %u, MRU to %u",
+			mbuf_data_size, mtu, mru);
+	}
+
+	if (mtu < RTE_ETHER_MIN_MTU || mru > MVNETA_PKT_SIZE_MAX) {
+		MVNETA_LOG(ERR, "Invalid MTU [%u] or MRU [%u]", mtu, mru);
+		return -EINVAL;
+	}
+
+	dev->data->mtu = mtu;
+	dev->data->dev_conf.rxmode.max_rx_pkt_len = mru - MV_MH_SIZE;
+
+	if (!priv->ppio)
+		/* It is OK. New MTU will be set later on mvneta_dev_start */
+		return 0;
+
+	ret = neta_ppio_set_mru(priv->ppio, mru);
+	if (ret) {
+		MVNETA_LOG(ERR, "Failed to change MRU");
+		return ret;
+	}
+
+	ret = neta_ppio_set_mtu(priv->ppio, mtu);
+	if (ret) {
+		MVNETA_LOG(ERR, "Failed to change MTU");
+		return ret;
+	}
+	MVNETA_LOG(INFO, "MTU changed to %u, MRU = %u", mtu, mru);
+
+	return 0;
+}
+
+/**
+ * DPDK callback to bring the link up.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_dev_set_link_up(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+
+	if (!priv->ppio)
+		return 0;
+
+	return neta_ppio_enable(priv->ppio);
+}
+
+/**
+ * DPDK callback to bring the link down.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_dev_set_link_down(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+
+	if (!priv->ppio)
+		return 0;
+
+	return neta_ppio_disable(priv->ppio);
+}
+
+/**
+ * DPDK callback to start the device.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   0 on success, negative errno value on failure.
+ */
+static int
+mvneta_dev_start(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	char match[MVNETA_MATCH_LEN];
+	int ret = 0, i;
+
+	if (priv->ppio)
+		return mvneta_dev_set_link_up(dev);
+
+	strlcpy(match, dev->data->name, sizeof(match));
+	priv->ppio_params.match = match;
+	priv->ppio_params.inqs_params.mtu = dev->data->mtu;
+
+	ret = neta_ppio_init(&priv->ppio_params, &priv->ppio);
+	if (ret) {
+		MVNETA_LOG(ERR, "Failed to init ppio");
+		return ret;
+	}
+	priv->ppio_id = priv->ppio->port_id;
+
+	mvneta_stats_reset(dev);
+
+	/*
+	 * In case there are some some stale uc/mc mac addresses flush them
+	 * here. It cannot be done during mvneta_dev_close() as port information
+	 * is already gone at that point (due to neta_ppio_deinit() in
+	 * mvneta_dev_stop()).
+	 */
+	if (!priv->uc_mc_flushed) {
+		ret = neta_ppio_flush_mac_addrs(priv->ppio, 0, 1);
+		if (ret) {
+			MVNETA_LOG(ERR,
+				"Failed to flush uc/mc filter list");
+			goto out;
+		}
+		priv->uc_mc_flushed = 1;
+	}
+
+	ret = mvneta_alloc_rx_bufs(dev);
+	if (ret)
+		goto out;
+
+	ret = mvneta_mtu_set(dev, dev->data->mtu);
+	if (ret) {
+		MVNETA_LOG(ERR, "Failed to set MTU %d", dev->data->mtu);
+		goto out;
+	}
+
+	ret = mvneta_dev_set_link_up(dev);
+	if (ret) {
+		MVNETA_LOG(ERR, "Failed to set link up");
+		goto out;
+	}
+
+	/* start tx queues */
+	for (i = 0; i < dev->data->nb_tx_queues; i++)
+		dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
+
+	mvneta_set_tx_function(dev);
+
+	return 0;
+
+out:
+	MVNETA_LOG(ERR, "Failed to start device");
+	neta_ppio_deinit(priv->ppio);
+	return ret;
+}
+
+/**
+ * DPDK callback to stop the device.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ */
+static void
+mvneta_dev_stop(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+
+	if (!priv->ppio)
+		return;
+
+	mvneta_dev_set_link_down(dev);
+	mvneta_flush_queues(dev);
+	neta_ppio_deinit(priv->ppio);
+
+	priv->ppio = NULL;
+}
+
+/**
+ * DPDK callback to close the device.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ */
+static void
+mvneta_dev_close(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	int i;
+
+	if (priv->ppio)
+		mvneta_dev_stop(dev);
+
+	for (i = 0; i < dev->data->nb_rx_queues; i++) {
+		mvneta_rx_queue_release(dev->data->rx_queues[i]);
+		dev->data->rx_queues[i] = NULL;
+	}
+
+	for (i = 0; i < dev->data->nb_tx_queues; i++) {
+		mvneta_tx_queue_release(dev->data->tx_queues[i]);
+		dev->data->tx_queues[i] = NULL;
+	}
+
+	mvneta_dev_num--;
+
+	if (mvneta_dev_num == 0) {
+		MVNETA_LOG(INFO, "Perform MUSDK deinit");
+		mvneta_neta_deinit();
+		rte_mvep_deinit(MVEP_MOD_T_NETA);
+	}
+}
+
+/**
+ * DPDK callback to retrieve physical link information.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param wait_to_complete
+ *   Wait for request completion (ignored).
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused)
+{
+	/*
+	 * TODO
+	 * once MUSDK provides necessary API use it here
+	 */
+	struct mvneta_priv *priv = dev->data->dev_private;
+	struct ethtool_cmd edata;
+	struct ifreq req;
+	int ret, fd, link_up;
+
+	if (!priv->ppio)
+		return -EPERM;
+
+	edata.cmd = ETHTOOL_GSET;
+
+	strcpy(req.ifr_name, dev->data->name);
+	req.ifr_data = (void *)&edata;
+
+	fd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (fd == -1)
+		return -EFAULT;
+	ret = ioctl(fd, SIOCETHTOOL, &req);
+	if (ret == -1) {
+		close(fd);
+		return -EFAULT;
+	}
+
+	close(fd);
+
+	switch (ethtool_cmd_speed(&edata)) {
+	case SPEED_10:
+		dev->data->dev_link.link_speed = ETH_SPEED_NUM_10M;
+		break;
+	case SPEED_100:
+		dev->data->dev_link.link_speed = ETH_SPEED_NUM_100M;
+		break;
+	case SPEED_1000:
+		dev->data->dev_link.link_speed = ETH_SPEED_NUM_1G;
+		break;
+	case SPEED_2500:
+		dev->data->dev_link.link_speed = ETH_SPEED_NUM_2_5G;
+		break;
+	default:
+		dev->data->dev_link.link_speed = ETH_SPEED_NUM_NONE;
+	}
+
+	dev->data->dev_link.link_duplex = edata.duplex ? ETH_LINK_FULL_DUPLEX :
+							 ETH_LINK_HALF_DUPLEX;
+	dev->data->dev_link.link_autoneg = edata.autoneg ? ETH_LINK_AUTONEG :
+							   ETH_LINK_FIXED;
+
+	neta_ppio_get_link_state(priv->ppio, &link_up);
+	dev->data->dev_link.link_status = link_up ? ETH_LINK_UP : ETH_LINK_DOWN;
+
+	return 0;
+}
+
+/**
+ * DPDK callback to enable promiscuous mode.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   always 0
+ */
+static int
+mvneta_promiscuous_enable(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	int ret, en;
+
+	if (!priv->ppio)
+		return 0;
+
+	neta_ppio_get_promisc(priv->ppio, &en);
+	if (en) {
+		MVNETA_LOG(INFO, "Promiscuous already enabled");
+		return 0;
+	}
+
+	ret = neta_ppio_set_promisc(priv->ppio, 1);
+	if (ret)
+		MVNETA_LOG(ERR, "Failed to enable promiscuous mode");
+
+	return 0;
+}
+
+/**
+ * DPDK callback to disable allmulticast mode.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   always 0
+ */
+static int
+mvneta_promiscuous_disable(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	int ret, en;
+
+	if (!priv->ppio)
+		return 0;
+
+	neta_ppio_get_promisc(priv->ppio, &en);
+	if (!en) {
+		MVNETA_LOG(INFO, "Promiscuous already disabled");
+		return 0;
+	}
+
+	ret = neta_ppio_set_promisc(priv->ppio, 0);
+	if (ret)
+		MVNETA_LOG(ERR, "Failed to disable promiscuous mode");
+
+	return 0;
+}
+
+/**
+ * DPDK callback to remove a MAC address.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param index
+ *   MAC address index.
+ */
+static void
+mvneta_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	char buf[RTE_ETHER_ADDR_FMT_SIZE];
+	int ret;
+
+	if (!priv->ppio)
+		return;
+
+	ret = neta_ppio_remove_mac_addr(priv->ppio,
+				       dev->data->mac_addrs[index].addr_bytes);
+	if (ret) {
+		rte_ether_format_addr(buf, sizeof(buf),
+				  &dev->data->mac_addrs[index]);
+		MVNETA_LOG(ERR, "Failed to remove mac %s", buf);
+	}
+}
+
+/**
+ * DPDK callback to add a MAC address.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param mac_addr
+ *   MAC address to register.
+ * @param index
+ *   MAC address index.
+ * @param vmdq
+ *   VMDq pool index to associate address with (unused).
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
+		  uint32_t index, uint32_t vmdq __rte_unused)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	char buf[RTE_ETHER_ADDR_FMT_SIZE];
+	int ret;
+
+	if (index == 0)
+		/* For setting index 0, mrvl_mac_addr_set() should be used.*/
+		return -1;
+
+	if (!priv->ppio)
+		return 0;
+
+	ret = neta_ppio_add_mac_addr(priv->ppio, mac_addr->addr_bytes);
+	if (ret) {
+		rte_ether_format_addr(buf, sizeof(buf), mac_addr);
+		MVNETA_LOG(ERR, "Failed to add mac %s", buf);
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * DPDK callback to set the primary MAC address.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param mac_addr
+ *   MAC address to register.
+ */
+static int
+mvneta_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	int ret;
+
+	if (!priv->ppio)
+		return -EINVAL;
+
+	ret = neta_ppio_set_mac_addr(priv->ppio, mac_addr->addr_bytes);
+	if (ret) {
+		char buf[RTE_ETHER_ADDR_FMT_SIZE];
+		rte_ether_format_addr(buf, sizeof(buf), mac_addr);
+		MVNETA_LOG(ERR, "Failed to set mac to %s", buf);
+	}
+	return 0;
+}
+
+/**
+ * DPDK callback to get device statistics.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param stats
+ *   Stats structure output buffer.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	struct neta_ppio_statistics ppio_stats;
+	unsigned int ret;
+
+	if (!priv->ppio)
+		return -EPERM;
+
+	ret = neta_ppio_get_statistics(priv->ppio, &ppio_stats);
+	if (unlikely(ret)) {
+		MVNETA_LOG(ERR, "Failed to update port statistics");
+		return ret;
+	}
+
+	stats->ipackets += ppio_stats.rx_packets +
+			ppio_stats.rx_broadcast_packets +
+			ppio_stats.rx_multicast_packets -
+			priv->prev_stats.ipackets;
+	stats->opackets += ppio_stats.tx_packets +
+			ppio_stats.tx_broadcast_packets +
+			ppio_stats.tx_multicast_packets -
+			priv->prev_stats.opackets;
+	stats->ibytes += ppio_stats.rx_bytes - priv->prev_stats.ibytes;
+	stats->obytes += ppio_stats.tx_bytes - priv->prev_stats.obytes;
+	stats->imissed += ppio_stats.rx_discard +
+			  ppio_stats.rx_overrun -
+			  priv->prev_stats.imissed;
+	stats->ierrors = ppio_stats.rx_packets_err -
+			priv->prev_stats.ierrors;
+	stats->oerrors = ppio_stats.tx_errors - priv->prev_stats.oerrors;
+
+	return 0;
+}
+
+/**
+ * DPDK callback to clear device statistics.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_stats_reset(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	unsigned int ret;
+
+	if (!priv->ppio)
+		return 0;
+
+	ret = mvneta_stats_get(dev, &priv->prev_stats);
+	if (unlikely(ret))
+		MVNETA_LOG(ERR, "Failed to reset port statistics");
+
+	return ret;
+}
+
+
+static const struct eth_dev_ops mvneta_ops = {
+	.dev_configure = mvneta_dev_configure,
+	.dev_start = mvneta_dev_start,
+	.dev_stop = mvneta_dev_stop,
+	.dev_set_link_up = mvneta_dev_set_link_up,
+	.dev_set_link_down = mvneta_dev_set_link_down,
+	.dev_close = mvneta_dev_close,
+	.link_update = mvneta_link_update,
+	.promiscuous_enable = mvneta_promiscuous_enable,
+	.promiscuous_disable = mvneta_promiscuous_disable,
+	.mac_addr_remove = mvneta_mac_addr_remove,
+	.mac_addr_add = mvneta_mac_addr_add,
+	.mac_addr_set = mvneta_mac_addr_set,
+	.mtu_set = mvneta_mtu_set,
+	.stats_get = mvneta_stats_get,
+	.stats_reset = mvneta_stats_reset,
+	.dev_infos_get = mvneta_dev_infos_get,
+	.dev_supported_ptypes_get = mvneta_dev_supported_ptypes_get,
+	.rxq_info_get = mvneta_rxq_info_get,
+	.txq_info_get = mvneta_txq_info_get,
+	.rx_queue_setup = mvneta_rx_queue_setup,
+	.rx_queue_release = mvneta_rx_queue_release,
+	.tx_queue_setup = mvneta_tx_queue_setup,
+	.tx_queue_release = mvneta_tx_queue_release,
+};
+
+/**
+ * Create device representing Ethernet port.
+ *
+ * @param name
+ *   Pointer to the port's name.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mvneta_eth_dev_create(struct rte_vdev_device *vdev, const char *name)
+{
+	int ret, fd = socket(AF_INET, SOCK_DGRAM, 0);
+	struct rte_eth_dev *eth_dev;
+	struct mvneta_priv *priv;
+	struct ifreq req;
+
+	eth_dev = rte_eth_dev_allocate(name);
+	if (!eth_dev)
+		return -ENOMEM;
+
+	priv = rte_zmalloc_socket(name, sizeof(*priv), 0, rte_socket_id());
+	if (!priv) {
+		ret = -ENOMEM;
+		goto out_free;
+	}
+	eth_dev->data->dev_private = priv;
+
+	eth_dev->data->mac_addrs =
+		rte_zmalloc("mac_addrs",
+			    RTE_ETHER_ADDR_LEN * MVNETA_MAC_ADDRS_MAX, 0);
+	if (!eth_dev->data->mac_addrs) {
+		MVNETA_LOG(ERR, "Failed to allocate space for eth addrs");
+		ret = -ENOMEM;
+		goto out_free;
+	}
+
+	memset(&req, 0, sizeof(req));
+	strcpy(req.ifr_name, name);
+	ret = ioctl(fd, SIOCGIFHWADDR, &req);
+	if (ret)
+		goto out_free;
+
+	memcpy(eth_dev->data->mac_addrs[0].addr_bytes,
+	       req.ifr_addr.sa_data, RTE_ETHER_ADDR_LEN);
+
+	eth_dev->data->kdrv = RTE_KDRV_NONE;
+	eth_dev->device = &vdev->device;
+	eth_dev->rx_pkt_burst = mvneta_rx_pkt_burst;
+	mvneta_set_tx_function(eth_dev);
+	eth_dev->dev_ops = &mvneta_ops;
+
+	/* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
+	eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+
+	rte_eth_dev_probing_finish(eth_dev);
+	return 0;
+out_free:
+	rte_eth_dev_release_port(eth_dev);
+
+	return ret;
+}
+
+/**
+ * Cleanup previously created device representing Ethernet port.
+ *
+ * @param eth_dev
+ *   Pointer to the corresponding rte_eth_dev structure.
+ */
+static void
+mvneta_eth_dev_destroy(struct rte_eth_dev *eth_dev)
+{
+	rte_eth_dev_release_port(eth_dev);
+}
+
+/**
+ * Cleanup previously created device representing Ethernet port.
+ *
+ * @param name
+ *   Pointer to the port name.
+ */
+static void
+mvneta_eth_dev_destroy_name(const char *name)
+{
+	struct rte_eth_dev *eth_dev;
+
+	eth_dev = rte_eth_dev_allocated(name);
+	if (!eth_dev)
+		return;
+
+	mvneta_eth_dev_destroy(eth_dev);
+}
+
+/**
+ * DPDK callback to register the virtual device.
+ *
+ * @param vdev
+ *   Pointer to the virtual device.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+rte_pmd_mvneta_probe(struct rte_vdev_device *vdev)
+{
+	struct rte_kvargs *kvlist;
+	struct mvneta_ifnames ifnames;
+	int ret = -EINVAL;
+	uint32_t i, ifnum;
+	const char *params;
+
+	params = rte_vdev_device_args(vdev);
+	if (!params)
+		return -EINVAL;
+
+	kvlist = rte_kvargs_parse(params, valid_args);
+	if (!kvlist)
+		return -EINVAL;
+
+	ifnum = rte_kvargs_count(kvlist, MVNETA_IFACE_NAME_ARG);
+	if (ifnum > RTE_DIM(ifnames.names))
+		goto out_free_kvlist;
+
+	ifnames.idx = 0;
+	rte_kvargs_process(kvlist, MVNETA_IFACE_NAME_ARG,
+			   mvneta_ifnames_get, &ifnames);
+
+	/*
+	 * The below system initialization should be done only once,
+	 * on the first provided configuration file
+	 */
+	if (mvneta_dev_num)
+		goto init_devices;
+
+	MVNETA_LOG(INFO, "Perform MUSDK initializations");
+
+	ret = rte_mvep_init(MVEP_MOD_T_NETA, kvlist);
+	if (ret)
+		goto out_free_kvlist;
+
+	ret = mvneta_neta_init();
+	if (ret) {
+		MVNETA_LOG(ERR, "Failed to init NETA!");
+		rte_mvep_deinit(MVEP_MOD_T_NETA);
+		goto out_free_kvlist;
+	}
+
+init_devices:
+	for (i = 0; i < ifnum; i++) {
+		MVNETA_LOG(INFO, "Creating %s", ifnames.names[i]);
+		ret = mvneta_eth_dev_create(vdev, ifnames.names[i]);
+		if (ret)
+			goto out_cleanup;
+
+		mvneta_dev_num++;
+	}
+
+	rte_kvargs_free(kvlist);
+
+	return 0;
+out_cleanup:
+	rte_pmd_mvneta_remove(vdev);
+
+out_free_kvlist:
+	rte_kvargs_free(kvlist);
+
+	return ret;
+}
+
+/**
+ * DPDK callback to remove virtual device.
+ *
+ * @param vdev
+ *   Pointer to the removed virtual device.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+rte_pmd_mvneta_remove(struct rte_vdev_device *vdev)
+{
+	uint16_t port_id;
+
+	RTE_ETH_FOREACH_DEV(port_id) {
+		if (rte_eth_devices[port_id].device != &vdev->device)
+			continue;
+		rte_eth_dev_close(port_id);
+	}
+
+	return 0;
+}
+
+static struct rte_vdev_driver pmd_mvneta_drv = {
+	.probe = rte_pmd_mvneta_probe,
+	.remove = rte_pmd_mvneta_remove,
+};
+
+RTE_PMD_REGISTER_VDEV(net_mvneta, pmd_mvneta_drv);
+RTE_PMD_REGISTER_PARAM_STRING(net_mvneta, "iface=<ifc>");
+
+RTE_INIT(mvneta_init_log)
+{
+	mvneta_logtype = rte_log_register("pmd.net.mvneta");
+	if (mvneta_logtype >= 0)
+		rte_log_set_level(mvneta_logtype, RTE_LOG_NOTICE);
+}
diff --git a/src/spdk/dpdk/drivers/net/mvneta/mvneta_ethdev.h b/src/spdk/dpdk/drivers/net/mvneta/mvneta_ethdev.h
new file mode 100644
index 000000000..ef8067790
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/mvneta/mvneta_ethdev.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Marvell International Ltd.
+ * Copyright(c) 2018 Semihalf.
+ * All rights reserved.
+ */
+
+#ifndef _MVNETA_ETHDEV_H_
+#define _MVNETA_ETHDEV_H_
+
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_log.h>
+
+/*
+ * container_of is defined by both DPDK and MUSDK,
+ * we'll declare only one version.
+ *
+ * Note that it is not used in this PMD anyway.
+ */
+#ifdef container_of
+#undef container_of
+#endif
+
+#include <drivers/mv_neta.h>
+#include <drivers/mv_neta_ppio.h>
+
+/** Packet offset inside RX buffer. */
+#define MRVL_NETA_PKT_OFFS 64
+
+/** Maximum number of rx/tx queues per port */
+#define MRVL_NETA_RXQ_MAX 8
+#define MRVL_NETA_TXQ_MAX 8
+
+/** Minimum/maximum number of descriptors in tx queue */
+#define MRVL_NETA_TXD_MIN 16
+#define MRVL_NETA_TXD_MAX 2048
+
+/** Tx queue descriptors alignment in B */
+#define MRVL_NETA_TXD_ALIGN 32
+
+/** Minimum/maximum number of descriptors in rx queue */
+#define MRVL_NETA_RXD_MIN 16
+#define MRVL_NETA_RXD_MAX 2048
+
+/** Rx queue descriptors alignment in B */
+#define MRVL_NETA_RXD_ALIGN 32
+
+#define MRVL_NETA_VLAN_TAG_LEN	4
+#define MRVL_NETA_ETH_HDRS_LEN	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + \
+				MRVL_NETA_VLAN_TAG_LEN)
+
+#define MRVL_NETA_HDRS_LEN		(MV_MH_SIZE + MRVL_NETA_ETH_HDRS_LEN)
+#define MRVL_NETA_MTU_TO_MRU(mtu)	((mtu) + MRVL_NETA_HDRS_LEN)
+#define MRVL_NETA_MRU_TO_MTU(mru)	((mru) - MRVL_NETA_HDRS_LEN)
+
+/** Rx offloads capabilities */
+#define MVNETA_RX_OFFLOADS (DEV_RX_OFFLOAD_JUMBO_FRAME | \
+			    DEV_RX_OFFLOAD_CHECKSUM)
+
+/** Tx offloads capabilities */
+#define MVNETA_TX_OFFLOAD_CHECKSUM (DEV_TX_OFFLOAD_IPV4_CKSUM | \
+				    DEV_TX_OFFLOAD_UDP_CKSUM  | \
+				    DEV_TX_OFFLOAD_TCP_CKSUM)
+#define MVNETA_TX_OFFLOADS (MVNETA_TX_OFFLOAD_CHECKSUM | \
+			    DEV_TX_OFFLOAD_MULTI_SEGS)
+
+#define MVNETA_TX_PKT_OFFLOADS (PKT_TX_IP_CKSUM | \
+				PKT_TX_TCP_CKSUM | \
+				PKT_TX_UDP_CKSUM)
+
+struct mvneta_priv {
+	/* Hot fields, used in fast path. */
+	struct neta_ppio	*ppio;    /**< Port handler pointer */
+
+	uint8_t pp_id;
+	uint8_t ppio_id;	/* ppio port id */
+	uint8_t uc_mc_flushed;
+	uint8_t multiseg;
+
+	struct neta_ppio_params ppio_params;
+
+	uint64_t rate_max;
+	struct rte_eth_stats prev_stats;
+};
+
+/** Current log type. */
+extern int mvneta_logtype;
+
+#define MVNETA_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, mvneta_logtype, "%s(): " fmt "\n", \
+		__func__, ##args)
+
+#endif /* _MVNETA_ETHDEV_H_ */
diff --git a/src/spdk/dpdk/drivers/net/mvneta/mvneta_rxtx.c b/src/spdk/dpdk/drivers/net/mvneta/mvneta_rxtx.c
new file mode 100644
index 000000000..10b6f5758
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/mvneta/mvneta_rxtx.c
@@ -0,0 +1,1012 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Marvell International Ltd.
+ * Copyright(c) 2018 Semihalf.
+ * All rights reserved.
+ */
+
+#include "mvneta_rxtx.h"
+
+#define MVNETA_PKT_EFFEC_OFFS (MRVL_NETA_PKT_OFFS + MV_MH_SIZE)
+
+#define MRVL_NETA_DEFAULT_TC 0
+
+/** Maximum number of descriptors in shadow queue. Must be power of 2 */
+#define MRVL_NETA_TX_SHADOWQ_SIZE MRVL_NETA_TXD_MAX
+
+/** Shadow queue size mask (since shadow queue size is power of 2) */
+#define MRVL_NETA_TX_SHADOWQ_MASK (MRVL_NETA_TX_SHADOWQ_SIZE - 1)
+
+/** Minimum number of sent buffers to release from shadow queue to BM */
+#define MRVL_NETA_BUF_RELEASE_BURST_SIZE_MIN	16
+
+/** Maximum number of sent buffers to release from shadow queue to BM */
+#define MRVL_NETA_BUF_RELEASE_BURST_SIZE_MAX	64
+
+#define MVNETA_COOKIE_ADDR_INVALID ~0ULL
+#define MVNETA_COOKIE_HIGH_ADDR_SHIFT	(sizeof(neta_cookie_t) * 8)
+#define MVNETA_COOKIE_HIGH_ADDR_MASK	(~0ULL << MVNETA_COOKIE_HIGH_ADDR_SHIFT)
+
+#define MVNETA_SET_COOKIE_HIGH_ADDR(addr) {				\
+	if (unlikely(cookie_addr_high == MVNETA_COOKIE_ADDR_INVALID))	\
+		cookie_addr_high =					\
+			(uint64_t)(addr) & MVNETA_COOKIE_HIGH_ADDR_MASK;\
+}
+
+#define MVNETA_CHECK_COOKIE_HIGH_ADDR(addr)		\
+	((likely(cookie_addr_high ==			\
+	((uint64_t)(addr) & MVNETA_COOKIE_HIGH_ADDR_MASK))) ? 1 : 0)
+
+struct mvneta_rxq {
+	struct mvneta_priv *priv;
+	struct rte_mempool *mp;
+	int queue_id;
+	int port_id;
+	int size;
+	int cksum_enabled;
+	uint64_t bytes_recv;
+	uint64_t drop_mac;
+	uint64_t pkts_processed;
+};
+
+/*
+ * To use buffer harvesting based on loopback port shadow queue structure
+ * was introduced for buffers information bookkeeping.
+ */
+struct mvneta_shadow_txq {
+	int head;           /* write index - used when sending buffers */
+	int tail;           /* read index - used when releasing buffers */
+	u16 size;           /* queue occupied size */
+	struct neta_buff_inf ent[MRVL_NETA_TX_SHADOWQ_SIZE]; /* q entries */
+};
+
+struct mvneta_txq {
+	struct mvneta_priv *priv;
+	int queue_id;
+	int port_id;
+	uint64_t bytes_sent;
+	struct mvneta_shadow_txq shadow_txq;
+	int tx_deferred_start;
+};
+
+static uint64_t cookie_addr_high = MVNETA_COOKIE_ADDR_INVALID;
+static uint16_t rx_desc_free_thresh = MRVL_NETA_BUF_RELEASE_BURST_SIZE_MIN;
+
+static inline int
+mvneta_buffs_refill(struct mvneta_priv *priv, struct mvneta_rxq *rxq, u16 *num)
+{
+	struct rte_mbuf *mbufs[MRVL_NETA_BUF_RELEASE_BURST_SIZE_MAX];
+	struct neta_buff_inf entries[MRVL_NETA_BUF_RELEASE_BURST_SIZE_MAX];
+	int i, ret;
+	uint16_t nb_desc = *num;
+
+	ret = rte_pktmbuf_alloc_bulk(rxq->mp, mbufs, nb_desc);
+	if (ret) {
+		MVNETA_LOG(ERR, "Failed to allocate %u mbufs.", nb_desc);
+		*num = 0;
+		return -1;
+	}
+
+	MVNETA_SET_COOKIE_HIGH_ADDR(mbufs[0]);
+
+	for (i = 0; i < nb_desc; i++) {
+		if (unlikely(!MVNETA_CHECK_COOKIE_HIGH_ADDR(mbufs[i]))) {
+			MVNETA_LOG(ERR,
+				"mbuf virt high addr 0x%lx out of range 0x%lx",
+				(uint64_t)mbufs[i] >> 32,
+				cookie_addr_high >> 32);
+			*num = 0;
+			goto out;
+		}
+		entries[i].addr = rte_mbuf_data_iova_default(mbufs[i]);
+		entries[i].cookie = (neta_cookie_t)(uint64_t)mbufs[i];
+	}
+	neta_ppio_inq_put_buffs(priv->ppio, rxq->queue_id, entries, num);
+
+out:
+	for (i = *num; i < nb_desc; i++)
+		rte_pktmbuf_free(mbufs[i]);
+
+	return 0;
+}
+
+/**
+ * Allocate buffers from mempool
+ * and store addresses in rx descriptors.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static inline int
+mvneta_buffs_alloc(struct mvneta_priv *priv, struct mvneta_rxq *rxq, int *num)
+{
+	uint16_t nb_desc, nb_desc_burst, sent = 0;
+	int ret = 0;
+
+	nb_desc = *num;
+
+	do {
+		nb_desc_burst =
+			(nb_desc < MRVL_NETA_BUF_RELEASE_BURST_SIZE_MAX) ?
+			nb_desc : MRVL_NETA_BUF_RELEASE_BURST_SIZE_MAX;
+
+		ret = mvneta_buffs_refill(priv, rxq, &nb_desc_burst);
+		if (unlikely(ret || !nb_desc_burst))
+			break;
+
+		sent += nb_desc_burst;
+		nb_desc -= nb_desc_burst;
+
+	} while (nb_desc);
+
+	*num = sent;
+
+	return ret;
+}
+
+static inline void
+mvneta_fill_shadowq(struct mvneta_shadow_txq *sq, struct rte_mbuf *buf)
+{
+	sq->ent[sq->head].cookie = (uint64_t)buf;
+	sq->ent[sq->head].addr = buf ?
+		rte_mbuf_data_iova_default(buf) : 0;
+
+	sq->head = (sq->head + 1) & MRVL_NETA_TX_SHADOWQ_MASK;
+	sq->size++;
+}
+
+static inline void
+mvneta_fill_desc(struct neta_ppio_desc *desc, struct rte_mbuf *buf)
+{
+	neta_ppio_outq_desc_reset(desc);
+	neta_ppio_outq_desc_set_phys_addr(desc, rte_pktmbuf_iova(buf));
+	neta_ppio_outq_desc_set_pkt_offset(desc, 0);
+	neta_ppio_outq_desc_set_pkt_len(desc, rte_pktmbuf_data_len(buf));
+}
+
+/**
+ * Release already sent buffers to mempool.
+ *
+ * @param ppio
+ *   Pointer to the port structure.
+ * @param sq
+ *   Pointer to the shadow queue.
+ * @param qid
+ *   Queue id number.
+ * @param force
+ *   Force releasing packets.
+ */
+static inline void
+mvneta_sent_buffers_free(struct neta_ppio *ppio,
+			 struct mvneta_shadow_txq *sq, int qid)
+{
+	struct neta_buff_inf *entry;
+	uint16_t nb_done = 0;
+	int i;
+	int tail = sq->tail;
+
+	neta_ppio_get_num_outq_done(ppio, qid, &nb_done);
+
+	if (nb_done > sq->size) {
+		MVNETA_LOG(ERR, "nb_done: %d, sq->size %d",
+			   nb_done, sq->size);
+		return;
+	}
+
+	for (i = 0; i < nb_done; i++) {
+		entry = &sq->ent[tail];
+
+		if (unlikely(!entry->addr)) {
+			MVNETA_LOG(DEBUG,
+				"Shadow memory @%d: cookie(%lx), pa(%lx)!",
+				tail, (u64)entry->cookie,
+				(u64)entry->addr);
+			tail = (tail + 1) & MRVL_NETA_TX_SHADOWQ_MASK;
+			continue;
+		}
+
+		struct rte_mbuf *mbuf;
+
+		mbuf = (struct rte_mbuf *)
+			   (cookie_addr_high | entry->cookie);
+		rte_pktmbuf_free(mbuf);
+		tail = (tail + 1) & MRVL_NETA_TX_SHADOWQ_MASK;
+	}
+
+	sq->tail = tail;
+	sq->size -= nb_done;
+}
+
+/**
+ * Return packet type information and l3/l4 offsets.
+ *
+ * @param desc
+ *   Pointer to the received packet descriptor.
+ * @param l3_offset
+ *   l3 packet offset.
+ * @param l4_offset
+ *   l4 packet offset.
+ *
+ * @return
+ *   Packet type information.
+ */
+static inline uint64_t
+mvneta_desc_to_packet_type_and_offset(struct neta_ppio_desc *desc,
+				    uint8_t *l3_offset, uint8_t *l4_offset)
+{
+	enum neta_inq_l3_type l3_type;
+	enum neta_inq_l4_type l4_type;
+	uint64_t packet_type;
+
+	neta_ppio_inq_desc_get_l3_info(desc, &l3_type, l3_offset);
+	neta_ppio_inq_desc_get_l4_info(desc, &l4_type, l4_offset);
+
+	packet_type = RTE_PTYPE_L2_ETHER;
+
+	if (NETA_RXD_GET_VLAN_INFO(desc))
+		packet_type |= RTE_PTYPE_L2_ETHER_VLAN;
+
+	switch (l3_type) {
+	case NETA_INQ_L3_TYPE_IPV4_BAD:
+	case NETA_INQ_L3_TYPE_IPV4_OK:
+		packet_type |= RTE_PTYPE_L3_IPV4;
+		break;
+	case NETA_INQ_L3_TYPE_IPV6:
+		packet_type |= RTE_PTYPE_L3_IPV6;
+		break;
+	default:
+		packet_type |= RTE_PTYPE_UNKNOWN;
+		MVNETA_LOG(DEBUG, "Failed to recognize l3 packet type");
+		break;
+	}
+
+	switch (l4_type) {
+	case NETA_INQ_L4_TYPE_TCP:
+		packet_type |= RTE_PTYPE_L4_TCP;
+		break;
+	case NETA_INQ_L4_TYPE_UDP:
+		packet_type |= RTE_PTYPE_L4_UDP;
+		break;
+	default:
+		packet_type |= RTE_PTYPE_UNKNOWN;
+		MVNETA_LOG(DEBUG, "Failed to recognize l4 packet type");
+		break;
+	}
+
+	return packet_type;
+}
+
+/**
+ * Prepare offload information.
+ *
+ * @param ol_flags
+ *   Offload flags.
+ * @param l3_type
+ *   Pointer to the neta_ouq_l3_type structure.
+ * @param l4_type
+ *   Pointer to the neta_outq_l4_type structure.
+ * @param gen_l3_cksum
+ *   Will be set to 1 in case l3 checksum is computed.
+ * @param l4_cksum
+ *   Will be set to 1 in case l4 checksum is computed.
+ */
+static inline void
+mvneta_prepare_proto_info(uint64_t ol_flags,
+			  enum neta_outq_l3_type *l3_type,
+			  enum neta_outq_l4_type *l4_type,
+			  int *gen_l3_cksum,
+			  int *gen_l4_cksum)
+{
+	/*
+	 * Based on ol_flags prepare information
+	 * for neta_ppio_outq_desc_set_proto_info() which setups descriptor
+	 * for offloading.
+	 * in most of the checksum cases ipv4 must be set, so this is the
+	 * default value
+	 */
+	*l3_type = NETA_OUTQ_L3_TYPE_IPV4;
+	*gen_l3_cksum = ol_flags & PKT_TX_IP_CKSUM ? 1 : 0;
+
+	if (ol_flags & PKT_TX_IPV6) {
+		*l3_type = NETA_OUTQ_L3_TYPE_IPV6;
+		/* no checksum for ipv6 header */
+		*gen_l3_cksum = 0;
+	}
+
+	if (ol_flags & PKT_TX_TCP_CKSUM) {
+		*l4_type = NETA_OUTQ_L4_TYPE_TCP;
+		*gen_l4_cksum = 1;
+	} else if (ol_flags & PKT_TX_UDP_CKSUM) {
+		*l4_type = NETA_OUTQ_L4_TYPE_UDP;
+		*gen_l4_cksum = 1;
+	} else {
+		*l4_type = NETA_OUTQ_L4_TYPE_OTHER;
+		/* no checksum for other type */
+		*gen_l4_cksum = 0;
+	}
+}
+
+/**
+ * Get offload information from the received packet descriptor.
+ *
+ * @param desc
+ *   Pointer to the received packet descriptor.
+ *
+ * @return
+ *   Mbuf offload flags.
+ */
+static inline uint64_t
+mvneta_desc_to_ol_flags(struct neta_ppio_desc *desc)
+{
+	uint64_t flags;
+	enum neta_inq_desc_status status;
+
+	status = neta_ppio_inq_desc_get_l3_pkt_error(desc);
+	if (unlikely(status != NETA_DESC_ERR_OK))
+		flags = PKT_RX_IP_CKSUM_BAD;
+	else
+		flags = PKT_RX_IP_CKSUM_GOOD;
+
+	status = neta_ppio_inq_desc_get_l4_pkt_error(desc);
+	if (unlikely(status != NETA_DESC_ERR_OK))
+		flags |= PKT_RX_L4_CKSUM_BAD;
+	else
+		flags |= PKT_RX_L4_CKSUM_GOOD;
+
+	return flags;
+}
+
+/**
+ * DPDK callback for transmit.
+ *
+ * @param txq
+ *   Generic pointer transmit queue.
+ * @param tx_pkts
+ *   Packets to transmit.
+ * @param nb_pkts
+ *   Number of packets in array.
+ *
+ * @return
+ *   Number of packets successfully transmitted.
+ */
+static uint16_t
+mvneta_tx_pkt_burst(void *txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
+{
+	struct mvneta_txq *q = txq;
+	struct mvneta_shadow_txq *sq;
+	struct neta_ppio_desc descs[nb_pkts];
+	int i, bytes_sent = 0;
+	uint16_t num, sq_free_size;
+	uint64_t addr;
+
+	sq = &q->shadow_txq;
+	if (unlikely(!nb_pkts || !q->priv->ppio))
+		return 0;
+
+	if (sq->size)
+		mvneta_sent_buffers_free(q->priv->ppio,
+					 sq, q->queue_id);
+
+	sq_free_size = MRVL_NETA_TX_SHADOWQ_SIZE - sq->size - 1;
+	if (unlikely(nb_pkts > sq_free_size)) {
+		MVNETA_LOG(DEBUG,
+			"No room in shadow queue for %d packets! %d packets will be sent.",
+			nb_pkts, sq_free_size);
+		nb_pkts = sq_free_size;
+	}
+
+
+	for (i = 0; i < nb_pkts; i++) {
+		struct rte_mbuf *mbuf = tx_pkts[i];
+		int gen_l3_cksum, gen_l4_cksum;
+		enum neta_outq_l3_type l3_type;
+		enum neta_outq_l4_type l4_type;
+
+		/* Fill first mbuf info in shadow queue */
+		mvneta_fill_shadowq(sq, mbuf);
+		mvneta_fill_desc(&descs[i], mbuf);
+
+		bytes_sent += rte_pktmbuf_pkt_len(mbuf);
+
+		if (!(mbuf->ol_flags & MVNETA_TX_PKT_OFFLOADS))
+			continue;
+		mvneta_prepare_proto_info(mbuf->ol_flags, &l3_type, &l4_type,
+					  &gen_l3_cksum, &gen_l4_cksum);
+
+		neta_ppio_outq_desc_set_proto_info(&descs[i], l3_type, l4_type,
+						   mbuf->l2_len,
+						   mbuf->l2_len + mbuf->l3_len,
+						   gen_l3_cksum, gen_l4_cksum);
+	}
+	num = nb_pkts;
+	neta_ppio_send(q->priv->ppio, q->queue_id, descs, &nb_pkts);
+
+
+	/* number of packets that were not sent */
+	if (unlikely(num > nb_pkts)) {
+		for (i = nb_pkts; i < num; i++) {
+			sq->head = (MRVL_NETA_TX_SHADOWQ_SIZE + sq->head - 1) &
+				MRVL_NETA_TX_SHADOWQ_MASK;
+			addr = cookie_addr_high | sq->ent[sq->head].cookie;
+			bytes_sent -=
+				rte_pktmbuf_pkt_len((struct rte_mbuf *)addr);
+		}
+		sq->size -= num - nb_pkts;
+	}
+
+	q->bytes_sent += bytes_sent;
+
+	return nb_pkts;
+}
+
+/** DPDK callback for S/G transmit.
+ *
+ * @param txq
+ *   Generic pointer transmit queue.
+ * @param tx_pkts
+ *   Packets to transmit.
+ * @param nb_pkts
+ *   Number of packets in array.
+ *
+ * @return
+ *   Number of packets successfully transmitted.
+ */
+static uint16_t
+mvneta_tx_sg_pkt_burst(void *txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
+{
+	struct mvneta_txq *q = txq;
+	struct mvneta_shadow_txq *sq;
+	struct neta_ppio_desc descs[nb_pkts * NETA_PPIO_DESC_NUM_FRAGS];
+	struct neta_ppio_sg_pkts pkts;
+	uint8_t frags[nb_pkts];
+	int i, j, bytes_sent = 0;
+	int tail, tail_first;
+	uint16_t num, sq_free_size;
+	uint16_t nb_segs, total_descs = 0;
+	uint64_t addr;
+
+	sq = &q->shadow_txq;
+	pkts.frags = frags;
+	pkts.num = 0;
+
+	if (unlikely(!q->priv->ppio))
+		return 0;
+
+	if (sq->size)
+		mvneta_sent_buffers_free(q->priv->ppio,
+					 sq, q->queue_id);
+	/* Save shadow queue free size */
+	sq_free_size = MRVL_NETA_TX_SHADOWQ_SIZE - sq->size - 1;
+
+	tail = 0;
+	for (i = 0; i < nb_pkts; i++) {
+		struct rte_mbuf *mbuf = tx_pkts[i];
+		struct rte_mbuf *seg = NULL;
+		int gen_l3_cksum, gen_l4_cksum;
+		enum neta_outq_l3_type l3_type;
+		enum neta_outq_l4_type l4_type;
+
+		nb_segs = mbuf->nb_segs;
+		total_descs += nb_segs;
+
+		/*
+		 * Check if total_descs does not exceed
+		 * shadow queue free size
+		 */
+		if (unlikely(total_descs > sq_free_size)) {
+			total_descs -= nb_segs;
+			MVNETA_LOG(DEBUG,
+				"No room in shadow queue for %d packets! "
+				"%d packets will be sent.",
+				nb_pkts, i);
+			break;
+		}
+
+
+		/* Check if nb_segs does not exceed the max nb of desc per
+		 * fragmented packet
+		 */
+		if (unlikely(nb_segs > NETA_PPIO_DESC_NUM_FRAGS)) {
+			total_descs -= nb_segs;
+			MVNETA_LOG(ERR,
+				"Too many segments. Packet won't be sent.");
+			break;
+		}
+
+		pkts.frags[pkts.num] = nb_segs;
+		pkts.num++;
+		tail_first = tail;
+
+		seg = mbuf;
+		for (j = 0; j < nb_segs - 1; j++) {
+			/* For the subsequent segments, set shadow queue
+			 * buffer to NULL
+			 */
+			mvneta_fill_shadowq(sq, NULL);
+			mvneta_fill_desc(&descs[tail], seg);
+
+			tail++;
+			seg = seg->next;
+		}
+		/* Put first mbuf info in last shadow queue entry */
+		mvneta_fill_shadowq(sq, mbuf);
+		/* Update descriptor with last segment */
+		mvneta_fill_desc(&descs[tail++], seg);
+
+		bytes_sent += rte_pktmbuf_pkt_len(mbuf);
+
+		if (!(mbuf->ol_flags & MVNETA_TX_PKT_OFFLOADS))
+			continue;
+		mvneta_prepare_proto_info(mbuf->ol_flags, &l3_type, &l4_type,
+					  &gen_l3_cksum, &gen_l4_cksum);
+
+		neta_ppio_outq_desc_set_proto_info(&descs[tail_first],
+						   l3_type, l4_type,
+						   mbuf->l2_len,
+						   mbuf->l2_len + mbuf->l3_len,
+						   gen_l3_cksum, gen_l4_cksum);
+	}
+	num = total_descs;
+	neta_ppio_send_sg(q->priv->ppio, q->queue_id, descs, &total_descs,
+			  &pkts);
+
+	/* number of packets that were not sent */
+	if (unlikely(num > total_descs)) {
+		for (i = total_descs; i < num; i++) {
+			sq->head = (MRVL_NETA_TX_SHADOWQ_SIZE +
+					sq->head - 1) &
+					MRVL_NETA_TX_SHADOWQ_MASK;
+			addr = sq->ent[sq->head].cookie;
+			if (addr) {
+				struct rte_mbuf *mbuf;
+
+				mbuf = (struct rte_mbuf *)
+						(cookie_addr_high | addr);
+				bytes_sent -= rte_pktmbuf_pkt_len(mbuf);
+			}
+		}
+		sq->size -= num - total_descs;
+		nb_pkts = pkts.num;
+	}
+
+	q->bytes_sent += bytes_sent;
+
+	return nb_pkts;
+}
+
+/**
+ * Set tx burst function according to offload flag
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ */
+void
+mvneta_set_tx_function(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+
+	/* Use a simple Tx queue (no offloads, no multi segs) if possible */
+	if (priv->multiseg) {
+		MVNETA_LOG(INFO, "Using multi-segment tx callback");
+		dev->tx_pkt_burst = mvneta_tx_sg_pkt_burst;
+	} else {
+		MVNETA_LOG(INFO, "Using single-segment tx callback");
+		dev->tx_pkt_burst = mvneta_tx_pkt_burst;
+	}
+}
+
+/**
+ * DPDK callback for receive.
+ *
+ * @param rxq
+ *   Generic pointer to the receive queue.
+ * @param rx_pkts
+ *   Array to store received packets.
+ * @param nb_pkts
+ *   Maximum number of packets in array.
+ *
+ * @return
+ *   Number of packets successfully received.
+ */
+uint16_t
+mvneta_rx_pkt_burst(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
+{
+	struct mvneta_rxq *q = rxq;
+	struct neta_ppio_desc descs[nb_pkts];
+	int i, ret, rx_done = 0, rx_dropped = 0;
+
+	if (unlikely(!q || !q->priv->ppio))
+		return 0;
+
+	ret = neta_ppio_recv(q->priv->ppio, q->queue_id,
+			descs, &nb_pkts);
+
+	if (unlikely(ret < 0)) {
+		MVNETA_LOG(ERR, "Failed to receive packets");
+		return 0;
+	}
+
+	for (i = 0; i < nb_pkts; i++) {
+		struct rte_mbuf *mbuf;
+		uint8_t l3_offset, l4_offset;
+		enum neta_inq_desc_status status;
+		uint64_t addr;
+
+		addr = cookie_addr_high |
+			neta_ppio_inq_desc_get_cookie(&descs[i]);
+		mbuf = (struct rte_mbuf *)addr;
+
+		rte_pktmbuf_reset(mbuf);
+
+		/* drop packet in case of mac, overrun or resource error */
+		status = neta_ppio_inq_desc_get_l2_pkt_error(&descs[i]);
+		if (unlikely(status != NETA_DESC_ERR_OK)) {
+			/* Release the mbuf to the mempool since
+			 * it won't be transferred to tx path
+			 */
+			rte_pktmbuf_free(mbuf);
+			q->drop_mac++;
+			rx_dropped++;
+			continue;
+		}
+
+		mbuf->data_off += MVNETA_PKT_EFFEC_OFFS;
+		mbuf->pkt_len = neta_ppio_inq_desc_get_pkt_len(&descs[i]);
+		mbuf->data_len = mbuf->pkt_len;
+		mbuf->port = q->port_id;
+		mbuf->packet_type =
+			mvneta_desc_to_packet_type_and_offset(&descs[i],
+								&l3_offset,
+								&l4_offset);
+		mbuf->l2_len = l3_offset;
+		mbuf->l3_len = l4_offset - l3_offset;
+
+		if (likely(q->cksum_enabled))
+			mbuf->ol_flags = mvneta_desc_to_ol_flags(&descs[i]);
+
+		rx_pkts[rx_done++] = mbuf;
+		q->bytes_recv += mbuf->pkt_len;
+	}
+	q->pkts_processed += rx_done + rx_dropped;
+
+	if (q->pkts_processed > rx_desc_free_thresh) {
+		int buf_to_refill = rx_desc_free_thresh;
+
+		ret = mvneta_buffs_alloc(q->priv, q, &buf_to_refill);
+		if (ret)
+			MVNETA_LOG(ERR, "Refill failed");
+		q->pkts_processed -= buf_to_refill;
+	}
+
+	return rx_done;
+}
+
+/**
+ * DPDK callback to configure the receive queue.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param idx
+ *   RX queue index.
+ * @param desc
+ *   Number of descriptors to configure in queue.
+ * @param socket
+ *   NUMA socket on which memory must be allocated.
+ * @param conf
+ *   Thresholds parameters (unused_).
+ * @param mp
+ *   Memory pool for buffer allocations.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+int
+mvneta_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
+		      unsigned int socket,
+		      const struct rte_eth_rxconf *conf __rte_unused,
+		      struct rte_mempool *mp)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	struct mvneta_rxq *rxq;
+	uint32_t frame_size, buf_size = rte_pktmbuf_data_room_size(mp);
+	uint32_t max_rx_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
+
+	frame_size = buf_size - RTE_PKTMBUF_HEADROOM - MVNETA_PKT_EFFEC_OFFS;
+
+	if (frame_size < max_rx_pkt_len) {
+		MVNETA_LOG(ERR,
+			"Mbuf size must be increased to %u bytes to hold up "
+			"to %u bytes of data.",
+			buf_size + max_rx_pkt_len - frame_size,
+			max_rx_pkt_len);
+		dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
+		MVNETA_LOG(INFO, "Setting max rx pkt len to %u",
+			dev->data->dev_conf.rxmode.max_rx_pkt_len);
+	}
+
+	if (dev->data->rx_queues[idx]) {
+		rte_free(dev->data->rx_queues[idx]);
+		dev->data->rx_queues[idx] = NULL;
+	}
+
+	rxq = rte_zmalloc_socket("rxq", sizeof(*rxq), 0, socket);
+	if (!rxq)
+		return -ENOMEM;
+
+	rxq->priv = priv;
+	rxq->mp = mp;
+	rxq->cksum_enabled = dev->data->dev_conf.rxmode.offloads &
+			     DEV_RX_OFFLOAD_IPV4_CKSUM;
+	rxq->queue_id = idx;
+	rxq->port_id = dev->data->port_id;
+	rxq->size = desc;
+	rx_desc_free_thresh = RTE_MIN(rx_desc_free_thresh, (desc / 2));
+	priv->ppio_params.inqs_params.tcs_params[MRVL_NETA_DEFAULT_TC].size =
+		desc;
+
+	dev->data->rx_queues[idx] = rxq;
+
+	return 0;
+}
+
+/**
+ * DPDK callback to configure the transmit queue.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param idx
+ *   Transmit queue index.
+ * @param desc
+ *   Number of descriptors to configure in the queue.
+ * @param socket
+ *   NUMA socket on which memory must be allocated.
+ * @param conf
+ *   Tx queue configuration parameters.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+int
+mvneta_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
+		      unsigned int socket, const struct rte_eth_txconf *conf)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	struct mvneta_txq *txq;
+
+	if (dev->data->tx_queues[idx]) {
+		rte_free(dev->data->tx_queues[idx]);
+		dev->data->tx_queues[idx] = NULL;
+	}
+
+	txq = rte_zmalloc_socket("txq", sizeof(*txq), 0, socket);
+	if (!txq)
+		return -ENOMEM;
+
+	txq->priv = priv;
+	txq->queue_id = idx;
+	txq->port_id = dev->data->port_id;
+	txq->tx_deferred_start = conf->tx_deferred_start;
+	dev->data->tx_queues[idx] = txq;
+
+	priv->ppio_params.outqs_params.outqs_params[idx].size = desc;
+	priv->ppio_params.outqs_params.outqs_params[idx].weight = 1;
+
+	return 0;
+}
+
+/**
+ * DPDK callback to release the transmit queue.
+ *
+ * @param txq
+ *   Generic transmit queue pointer.
+ */
+void
+mvneta_tx_queue_release(void *txq)
+{
+	struct mvneta_txq *q = txq;
+
+	if (!q)
+		return;
+
+	rte_free(q);
+}
+
+/**
+ * Return mbufs to mempool.
+ *
+ * @param rxq
+ *    Pointer to rx queue structure
+ * @param desc
+ *    Array of rx descriptors
+ */
+static void
+mvneta_recv_buffs_free(struct neta_ppio_desc *desc, uint16_t num)
+{
+	uint64_t addr;
+	uint8_t i;
+
+	for (i = 0; i < num; i++) {
+		if (desc) {
+			addr = cookie_addr_high |
+					neta_ppio_inq_desc_get_cookie(desc);
+			if (addr)
+				rte_pktmbuf_free((struct rte_mbuf *)addr);
+			desc++;
+		}
+	}
+}
+
+int
+mvneta_alloc_rx_bufs(struct rte_eth_dev *dev)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+	int ret = 0, i;
+
+	for (i = 0; i < dev->data->nb_rx_queues; i++) {
+		struct mvneta_rxq *rxq = dev->data->rx_queues[i];
+		int num = rxq->size;
+
+		ret = mvneta_buffs_alloc(priv, rxq, &num);
+		if (ret || num != rxq->size) {
+			rte_free(rxq);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * Flush single receive queue.
+ *
+ * @param rxq
+ *   Pointer to rx queue structure.
+ * @param descs
+ *   Array of rx descriptors
+ */
+static void
+mvneta_rx_queue_flush(struct mvneta_rxq *rxq)
+{
+	struct neta_ppio_desc *descs;
+	struct neta_buff_inf *bufs;
+	uint16_t num;
+	int ret, i;
+
+	descs = rte_malloc("rxdesc", MRVL_NETA_RXD_MAX * sizeof(*descs), 0);
+	bufs = rte_malloc("buffs", MRVL_NETA_RXD_MAX * sizeof(*bufs), 0);
+
+	do {
+		num = MRVL_NETA_RXD_MAX;
+		ret = neta_ppio_recv(rxq->priv->ppio,
+				     rxq->queue_id,
+				     descs, &num);
+		mvneta_recv_buffs_free(descs, num);
+	} while (ret == 0 && num);
+
+	rxq->pkts_processed = 0;
+
+	num = MRVL_NETA_RXD_MAX;
+
+	neta_ppio_inq_get_all_buffs(rxq->priv->ppio, rxq->queue_id, bufs, &num);
+	MVNETA_LOG(INFO, "freeing %u unused bufs.", num);
+
+	for (i = 0; i < num; i++) {
+		uint64_t addr;
+		if (bufs[i].cookie) {
+			addr = cookie_addr_high | bufs[i].cookie;
+			rte_pktmbuf_free((struct rte_mbuf *)addr);
+		}
+	}
+
+	rte_free(descs);
+	rte_free(bufs);
+}
+
+/**
+ * Flush single transmit queue.
+ *
+ * @param txq
+ *     Pointer to tx queue structure
+ */
+static void
+mvneta_tx_queue_flush(struct mvneta_txq *txq)
+{
+	struct mvneta_shadow_txq *sq = &txq->shadow_txq;
+
+	if (sq->size)
+		mvneta_sent_buffers_free(txq->priv->ppio, sq,
+					 txq->queue_id);
+
+	/* free the rest of them */
+	while (sq->tail != sq->head) {
+		uint64_t addr = cookie_addr_high |
+			sq->ent[sq->tail].cookie;
+		rte_pktmbuf_free((struct rte_mbuf *)addr);
+		sq->tail = (sq->tail + 1) & MRVL_NETA_TX_SHADOWQ_MASK;
+	}
+	memset(sq, 0, sizeof(*sq));
+}
+
+void
+mvneta_flush_queues(struct rte_eth_dev *dev)
+{
+	int i;
+
+	MVNETA_LOG(INFO, "Flushing rx queues");
+	for (i = 0; i < dev->data->nb_rx_queues; i++) {
+		struct mvneta_rxq *rxq = dev->data->rx_queues[i];
+
+		mvneta_rx_queue_flush(rxq);
+	}
+
+	MVNETA_LOG(INFO, "Flushing tx queues");
+	for (i = 0; i < dev->data->nb_tx_queues; i++) {
+		struct mvneta_txq *txq = dev->data->tx_queues[i];
+
+		mvneta_tx_queue_flush(txq);
+	}
+}
+
+/**
+ * DPDK callback to release the receive queue.
+ *
+ * @param rxq
+ *   Generic receive queue pointer.
+ */
+void
+mvneta_rx_queue_release(void *rxq)
+{
+	struct mvneta_rxq *q = rxq;
+
+	if (!q)
+		return;
+
+	/* If dev_stop was called already, mbufs are already
+	 * returned to mempool and ppio is deinitialized.
+	 * Skip this step.
+	 */
+
+	if (q->priv->ppio)
+		mvneta_rx_queue_flush(q);
+
+	rte_free(rxq);
+}
+
+/**
+ * DPDK callback to get information about specific receive queue.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param rx_queue_id
+ *   Receive queue index.
+ * @param qinfo
+ *   Receive queue information structure.
+ */
+void
+mvneta_rxq_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+		    struct rte_eth_rxq_info *qinfo)
+{
+	struct mvneta_rxq *q = dev->data->rx_queues[rx_queue_id];
+
+	qinfo->mp = q->mp;
+	qinfo->nb_desc = q->size;
+}
+
+/**
+ * DPDK callback to get information about specific transmit queue.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param tx_queue_id
+ *   Transmit queue index.
+ * @param qinfo
+ *   Transmit queue information structure.
+ */
+void
+mvneta_txq_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+		    struct rte_eth_txq_info *qinfo)
+{
+	struct mvneta_priv *priv = dev->data->dev_private;
+
+	qinfo->nb_desc =
+		priv->ppio_params.outqs_params.outqs_params[tx_queue_id].size;
+}
diff --git a/src/spdk/dpdk/drivers/net/mvneta/mvneta_rxtx.h b/src/spdk/dpdk/drivers/net/mvneta/mvneta_rxtx.h
new file mode 100644
index 000000000..cc2919017
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/mvneta/mvneta_rxtx.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Marvell International Ltd.
+ * Copyright(c) 2018 Semihalf.
+ * All rights reserved.
+ */
+
+#ifndef _MVNETA_RXTX_H_
+#define _MVNETA_RXTX_H_
+
+#include "mvneta_ethdev.h"
+
+int mvneta_alloc_rx_bufs(struct rte_eth_dev *dev);
+
+void mvneta_flush_queues(struct rte_eth_dev *dev);
+
+void mvneta_rxq_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+			 struct rte_eth_rxq_info *qinfo);
+void mvneta_txq_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+			 struct rte_eth_txq_info *qinfo);
+
+void mvneta_set_tx_function(struct rte_eth_dev *dev);
+
+uint16_t
+mvneta_rx_pkt_burst(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+
+int
+mvneta_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
+		      unsigned int socket,
+		      const struct rte_eth_rxconf *conf __rte_unused,
+		      struct rte_mempool *mp);
+int
+mvneta_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
+		      unsigned int socket, const struct rte_eth_txconf *conf);
+
+void mvneta_rx_queue_release(void *rxq);
+void mvneta_tx_queue_release(void *txq);
+
+#endif /* _MVNETA_RXTX_H_ */
diff --git a/src/spdk/dpdk/drivers/net/mvneta/rte_pmd_mvneta_version.map b/src/spdk/dpdk/drivers/net/mvneta/rte_pmd_mvneta_version.map
new file mode 100644
index 000000000..f9f17e4f6
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/mvneta/rte_pmd_mvneta_version.map
@@ -0,0 +1,3 @@
+DPDK_20.0 {
+	local: *;
+};