diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 6f42948ab..5293f053e 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -84,6 +84,12 @@
 /* Device parameter to enable multi-packet send WQEs. */
 #define MLX5_TXQ_MPW_EN "txq_mpw_en"
 
+/* Device parameter to include 2 dsegs in the title WQEBB. */
+#define MLX5_TXQ_MPW_HDR_DSEG_EN "txq_mpw_hdr_dseg_en"
+
+/* Device parameter to limit the size of inlining packet. */
+#define MLX5_TXQ_MAX_INLINE_LEN "txq_max_inline_len"
+
 /* Device parameter to enable hardware TSO offload. */
 #define MLX5_TSO "tso"
 
@@ -292,7 +298,11 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
 	} else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
 		priv->txqs_inline = tmp;
 	} else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
-		priv->mps &= !!tmp; /* Enable MPW only if HW supports */
+		priv->mps = !!tmp ? priv->mps : MLX5_MPW_DISABLED;
+	} else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
+		priv->mpw_hdr_dseg = !!tmp;
+	} else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
+		priv->txq_max_inline_len = tmp;
 	} else if (strcmp(MLX5_TSO, key) == 0) {
 		priv->tso = !!tmp;
 	} else {
@@ -321,6 +331,8 @@ mlx5_args(struct priv *priv, struct rte_devargs *devargs)
 		MLX5_TXQ_INLINE,
 		MLX5_TXQS_MIN_INLINE,
 		MLX5_TXQ_MPW_EN,
+		MLX5_TXQ_MPW_HDR_DSEG_EN,
+		MLX5_TXQ_MAX_INLINE_LEN,
 		MLX5_TSO,
 		NULL,
 	};
@@ -432,24 +444,27 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		switch (pci_dev->id.device_id) {
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
 			tunnel_en = 1;
-			mps = 0;
+			mps = MLX5_MPW_DISABLED;
 			break;
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX:
+			mps = MLX5_MPW;
+			break;
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX5:
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX:
 		case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
-			mps = 1;
 			tunnel_en = 1;
+			mps = MLX5_MPW_ENHANCED;
 			break;
 		default:
-			mps = 0;
+			mps = MLX5_MPW_DISABLED;
 		}
 		INFO("PCI information matches, using device \"%s\""
-		     " (SR-IOV: %s, MPS: %s)",
+		     " (SR-IOV: %s, %sMPS: %s)",
 		     list[i]->name,
 		     sriov ? "true" : "false",
-		     mps ? "true" : "false");
+		     mps == MLX5_MPW_ENHANCED ? "Enhanced " : "",
+		     mps != MLX5_MPW_DISABLED ? "true" : "false");
 		attr_ctx = ibv_open_device(list[i]);
 		err = errno;
 		break;
@@ -544,6 +559,13 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		priv->pd = pd;
 		priv->mtu = ETHER_MTU;
 		priv->mps = mps; /* Enable MPW by default if supported. */
+		/* Set default values for Enhanced MPW, a.k.a MPWv2. */
+		if (mps == MLX5_MPW_ENHANCED) {
+			priv->mpw_hdr_dseg = 0;
+			priv->txqs_inline = MLX5_EMPW_MIN_TXQS;
+			priv->txq_max_inline_len = MLX5_EMPW_MAX_INLINE_LEN;
+			priv->txq_inline = MLX5_WQE_SIZE_MAX - MLX5_WQE_SIZE;
+		}
 		priv->cqe_comp = 1; /* Enable compression by default. */
 		priv->tunnel_en = tunnel_en;
 		err = mlx5_args(priv, pci_dev->device.devargs);
@@ -611,6 +633,9 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 			      "with TSO. MPS disabled");
 			priv->mps = 0;
 		}
+		INFO("%sMPS is %s",
+		     priv->mps == MLX5_MPW_ENHANCED ? "Enhanced " : "",
+		     priv->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
 		/* Allocate and register default RSS hash keys. */
 		priv->rss_conf = rte_calloc(__func__, hash_rxq_init_n,
 					    sizeof((*priv->rss_conf)[0]), 0);
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 870e01ff5..0a11dc795 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -123,7 +123,8 @@ struct priv {
 	unsigned int hw_fcs_strip:1; /* FCS stripping is supported. */
 	unsigned int hw_padding:1; /* End alignment padding is supported. */
 	unsigned int sriov:1; /* This is a VF or PF with VF devices. */
-	unsigned int mps:1; /* Whether multi-packet send is supported. */
+	unsigned int mps:2; /* Multi-packet send mode (0: disabled). */
+	unsigned int mpw_hdr_dseg:1; /* Enable DSEGs in the title WQEBB. */
 	unsigned int cqe_comp:1; /* Whether CQE compression is enabled. */
 	unsigned int pending_alarm:1; /* An alarm is pending. */
 	unsigned int tso:1; /* Whether TSO is supported. */
@@ -132,6 +133,7 @@ struct priv {
 	unsigned int max_tso_payload_sz; /* Maximum TCP payload for TSO. */
 	unsigned int txq_inline; /* Maximum packet size for inlining. */
 	unsigned int txqs_inline; /* Queue number threshold for inlining. */
+	unsigned int txq_max_inline_len; /* Max packet length for inlining. */
 	/* RX/TX queues. */
 	unsigned int rxqs_n; /* RX queues array size. */
 	unsigned int txqs_n; /* TX queues array size. */
diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h
index eecb908ec..201bb3362 100644
--- a/drivers/net/mlx5/mlx5_defs.h
+++ b/drivers/net/mlx5/mlx5_defs.h
@@ -55,6 +55,13 @@
 #define MLX5_TX_COMP_THRESH 32
 
 /*
+ * Request TX completion every time the total number of WQEBBs used for inlining
+ * packets exceeds the size of WQ divided by this divisor. Better to be power of
+ * two for performance.
+ */
+#define MLX5_TX_COMP_THRESH_INLINE_DIV (1 << 3)
+
+/*
  * Maximum number of cached Memory Pools (MPs) per TX queue. Each RTE MP
  * from which buffers are to be transmitted will have to be mapped by this
  * driver to their own Memory Region (MR). This is a slow operation.
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 5deb6e841..dd5fe5c1f 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -1590,7 +1590,11 @@ priv_select_tx_function(struct priv *priv)
 {
 	priv->dev->tx_pkt_burst = mlx5_tx_burst;
 	/* Select appropriate TX function. */
-	if (priv->mps && priv->txq_inline) {
+	if (priv->mps == MLX5_MPW_ENHANCED) {
+		priv->dev->tx_pkt_burst =
+			mlx5_tx_burst_empw;
+		DEBUG("selected Enhanced MPW TX function");
+	} else if (priv->mps && priv->txq_inline) {
 		priv->dev->tx_pkt_burst = mlx5_tx_burst_mpw_inline;
 		DEBUG("selected MPW inline TX function");
 	} else if (priv->mps) {
diff --git a/drivers/net/mlx5/mlx5_prm.h b/drivers/net/mlx5/mlx5_prm.h
index 0a77f5be8..155bdbad4 100644
--- a/drivers/net/mlx5/mlx5_prm.h
+++ b/drivers/net/mlx5/mlx5_prm.h
@@ -73,6 +73,9 @@
 /* WQE size */
 #define MLX5_WQE_SIZE (4 * MLX5_WQE_DWORD_SIZE)
 
+/* Max size of a WQE session. */
+#define MLX5_WQE_SIZE_MAX 960U
+
 /* Compute the number of DS. */
 #define MLX5_WQE_DS(n) \
 	(((n) + MLX5_WQE_DWORD_SIZE - 1) / MLX5_WQE_DWORD_SIZE)
@@ -80,10 +83,19 @@
 /* Room for inline data in multi-packet WQE. */
 #define MLX5_MWQE64_INL_DATA 28
 
+/* Default minimum number of Tx queues for inlining packets. */
+#define MLX5_EMPW_MIN_TXQS 8
+
+/* Default max packet length to be inlined. */
+#define MLX5_EMPW_MAX_INLINE_LEN (4U * MLX5_WQE_SIZE)
+
 #ifndef HAVE_VERBS_MLX5_OPCODE_TSO
 #define MLX5_OPCODE_TSO MLX5_OPCODE_LSO_MPW /* Compat with OFED 3.3. */
 #endif
 
+#define MLX5_OPC_MOD_ENHANCED_MPSW 0
+#define MLX5_OPCODE_ENHANCED_MPSW 0x29
+
 /* CQE value to inform that VLAN is stripped. */
 #define MLX5_CQE_VLAN_STRIPPED (1u << 0)
 
@@ -176,10 +188,18 @@ struct mlx5_wqe64 {
 	uint8_t raw[32];
 } __rte_aligned(MLX5_WQE_SIZE);
 
+/* MPW mode. */
+enum mlx5_mpw_mode {
+	MLX5_MPW_DISABLED,
+	MLX5_MPW,
+	MLX5_MPW_ENHANCED, /* Enhanced Multi-Packet Send WQE, a.k.a MPWv2. */
+};
+
 /* MPW session status. */
 enum mlx5_mpw_state {
 	MLX5_MPW_STATE_OPENED,
 	MLX5_MPW_INL_STATE_OPENED,
+	MLX5_MPW_ENHANCED_STATE_OPENED,
 	MLX5_MPW_STATE_CLOSED,
 };
 
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 2d33f2d8f..b27b97f19 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -195,6 +195,62 @@ tx_mlx5_wqe(struct txq *txq, uint16_t ci)
 }
 
 /**
+ * Return the size of tailroom of WQ.
+ *
+ * @param txq
+ *   Pointer to TX queue structure.
+ * @param addr
+ *   Pointer to tail of WQ.
+ *
+ * @return
+ *   Size of tailroom.
+ */
+static inline size_t
+tx_mlx5_wqe_tailroom(struct txq *txq, void *addr)
+{
+	size_t tailroom;
+	tailroom = (uintptr_t)(txq->wqes) +
+				(1 << txq->wqe_n) * MLX5_WQE_SIZE -
+				(uintptr_t)addr;
+	return tailroom;
+}
+
+/**
+ * Copy data to tailroom of circular queue.
+ *
+ * @param dst
+ *   Pointer to destination.
+ * @param src
+ *   Pointer to source.
+ * @param n
+ *   Number of bytes to copy.
+ * @param base
+ *   Pointer to head of queue.
+ * @param tailroom
+ *   Size of tailroom from dst.
+ *
+ * @return
+ *   Pointer after copied data.
+ */
+static inline void *
+memcpy_to_tailroom(void *dst, const void *src, size_t n,
+		void *base, size_t tailroom)
+{
+	void *ret;
+
+	if (n > tailroom) {
+		rte_memcpy(dst, src, tailroom);
+		rte_memcpy(base, (void *)((uintptr_t)src + tailroom),
+				n - tailroom);
+		ret = (uint8_t *)base + n - tailroom;
+	} else {
+		rte_memcpy(dst, src, n);
+		ret = (n == tailroom) ? base : (uint8_t *)dst + n;
+	}
+	return ret;
+}
+
+/**
  * Manage TX completions.
  *
  * When sending a burst, mlx5_tx_burst() posts several WRs.
@@ -1267,6 +1323,360 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts,
 }
 
 /**
+ * Open an Enhanced MPW session.
+ *
+ * @param txq
+ *   Pointer to TX queue structure.
+ * @param mpw
+ *   Pointer to MPW session structure.
+ * @param length
+ *   Packet length.
+ */
+static inline void
+mlx5_empw_new(struct txq *txq, struct mlx5_mpw *mpw, int padding)
+{
+	uint16_t idx = txq->wqe_ci & ((1 << txq->wqe_n) - 1);
+
+	mpw->state = MLX5_MPW_ENHANCED_STATE_OPENED;
+	mpw->pkts_n = 0;
+	mpw->total_len = sizeof(struct mlx5_wqe);
+	mpw->wqe = (volatile struct mlx5_wqe *)tx_mlx5_wqe(txq, idx);
+	mpw->wqe->ctrl[0] = htonl((MLX5_OPC_MOD_ENHANCED_MPSW << 24) |
+				  (txq->wqe_ci << 8) |
+				  MLX5_OPCODE_ENHANCED_MPSW);
+	mpw->wqe->ctrl[2] = 0;
+	mpw->wqe->ctrl[3] = 0;
+	memset((void *)(uintptr_t)&mpw->wqe->eseg, 0, MLX5_WQE_DWORD_SIZE);
+	if (unlikely(padding)) {
+		uintptr_t addr = (uintptr_t)(mpw->wqe + 1);
+
+		/* Pad the first 2 DWORDs with zero-length inline header. */
+		*(volatile uint32_t *)addr = htonl(MLX5_INLINE_SEG);
+		*(volatile uint32_t *)(addr + MLX5_WQE_DWORD_SIZE)
+			= htonl(MLX5_INLINE_SEG);
+		mpw->total_len += 2 * MLX5_WQE_DWORD_SIZE;
+		/* Start from the next WQEBB. */
+		mpw->data.raw = (volatile void *)(tx_mlx5_wqe(txq, idx + 1));
+	} else {
+		mpw->data.raw = (volatile void *)(mpw->wqe + 1);
+	}
+}
+
+/**
+ * Close an Enhanced MPW session.
+ *
+ * @param txq
+ *   Pointer to TX queue structure.
+ * @param mpw
+ *   Pointer to MPW session structure.
+ *
+ * @return
+ *   Number of consumed WQEs.
+ */
+static inline uint16_t
+mlx5_empw_close(struct txq *txq, struct mlx5_mpw *mpw)
+{
+	uint16_t ret;
+
+	/* Store size in multiple of 16 bytes. Control and Ethernet segments
+	 * count as 2.
+	 */
+	mpw->wqe->ctrl[1] = htonl(txq->qp_num_8s | MLX5_WQE_DS(mpw->total_len));
+	mpw->state = MLX5_MPW_STATE_CLOSED;
+	ret = (mpw->total_len + (MLX5_WQE_SIZE - 1)) / MLX5_WQE_SIZE;
+	txq->wqe_ci += ret;
+	return ret;
+}
+
+/**
+ * DPDK callback for TX with Enhanced MPW support.
+ *
+ * @param dpdk_txq
+ *   Generic pointer to TX queue structure.
+ * @param[in] pkts
+ *   Packets to transmit.
+ * @param pkts_n
+ *   Number of packets in array.
+ *
+ * @return
+ *   Number of packets successfully transmitted (<= pkts_n).
+ */
+uint16_t
+mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
+{
+	struct txq *txq = (struct txq *)dpdk_txq;
+	uint16_t elts_head = txq->elts_head;
+	const unsigned int elts_n = 1 << txq->elts_n;
+	unsigned int i = 0;
+	unsigned int j = 0;
+	unsigned int max_elts;
+	uint16_t max_wqe;
+	unsigned int max_inline = txq->max_inline * RTE_CACHE_LINE_SIZE;
+	unsigned int mpw_room = 0;
+	unsigned int inl_pad = 0;
+	uint32_t inl_hdr;
+	struct mlx5_mpw mpw = {
+		.state = MLX5_MPW_STATE_CLOSED,
+	};
+
+	if (unlikely(!pkts_n))
+		return 0;
+	/* Start processing. */
+	txq_complete(txq);
+	max_elts = (elts_n - (elts_head - txq->elts_tail));
+	if (max_elts > elts_n)
+		max_elts -= elts_n;
+	/* A CQE slot must always be available. */
+	assert((1u << txq->cqe_n) - (txq->cq_pi - txq->cq_ci));
+	max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi);
+	if (unlikely(!max_wqe))
+		return 0;
+	do {
+		struct rte_mbuf *buf = *(pkts++);
+		unsigned int elts_head_next;
+		uintptr_t addr;
+		unsigned int n;
+		unsigned int do_inline = 0; /* Whether inline is possible. */
+		uint32_t length;
+		unsigned int segs_n = buf->nb_segs;
+		uint32_t cs_flags = 0;
+
+		/*
+		 * Make sure there is enough room to store this packet and
+		 * that one ring entry remains unused.
+		 */
+		assert(segs_n);
+		if (max_elts - j < segs_n + 1)
+			break;
+		/* Do not bother with large packets MPW cannot handle. */
+		if (segs_n > MLX5_MPW_DSEG_MAX)
+			break;
+		/* Should we enable HW CKSUM offload. */
+		if (buf->ol_flags &
+		    (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM))
+			cs_flags = MLX5_ETH_WQE_L3_CSUM | MLX5_ETH_WQE_L4_CSUM;
+		/* Retrieve packet information. */
+		length = PKT_LEN(buf);
+		/* Start new session if:
+		 * - multi-segment packet
+		 * - no space left even for a dseg
+		 * - next packet can be inlined with a new WQE
+		 * - cs_flag differs
+		 * It can't be MLX5_MPW_STATE_OPENED as always have a single
+		 * segmented packet.
+		 */
+		if (mpw.state == MLX5_MPW_ENHANCED_STATE_OPENED) {
+			if ((segs_n != 1) ||
+			    (inl_pad + sizeof(struct mlx5_wqe_data_seg) >
+				mpw_room) ||
+			    (length <= txq->max_inline_len &&
+			      inl_pad + sizeof(inl_hdr) + length >
+				mpw_room) ||
+			    (mpw.wqe->eseg.cs_flags != cs_flags))
+				max_wqe -= mlx5_empw_close(txq, &mpw);
+		}
+		if (unlikely(mpw.state == MLX5_MPW_STATE_CLOSED)) {
+			if (unlikely(segs_n != 1)) {
+				/* Fall back to legacy MPW.
+				 * A MPW session consumes 2 WQEs at most to
+				 * include MLX5_MPW_DSEG_MAX pointers.
+				 */
+				if (unlikely(max_wqe < 2))
+					break;
+				mlx5_mpw_new(txq, &mpw, length);
+			} else {
+				/* In Enhanced MPW, inline as much as the budget
+				 * is allowed. The remaining space is to be
+				 * filled with dsegs. If the title WQEBB isn't
+				 * padded, it will have 2 dsegs there.
+				 */
+				mpw_room = RTE_MIN(MLX5_WQE_SIZE_MAX,
+					    (max_inline ? max_inline :
+					     pkts_n * MLX5_WQE_DWORD_SIZE) +
+					    MLX5_WQE_SIZE);
+				if (unlikely((max_wqe * MLX5_WQE_SIZE) <
+						mpw_room))
+					break;
+				/* Don't pad the title WQEBB to not waste WQ. */
+				mlx5_empw_new(txq, &mpw, 0);
+				mpw_room -= mpw.total_len;
+				inl_pad = 0;
+				do_inline =
+					length <= txq->max_inline_len &&
+					(sizeof(inl_hdr) + length) <=
+						mpw_room &&
+					!txq->mpw_hdr_dseg;
+			}
+			mpw.wqe->eseg.cs_flags = cs_flags;
+		} else {
+			/* Evaluate whether the next packet can be inlined.
+			 * Inlininig is possible when:
+			 * - length is less than configured value
+			 * - length fits for remaining space
+			 * - not required to fill the title WQEBB with dsegs
+			 */
+			do_inline =
+				length <= txq->max_inline_len &&
+				(inl_pad + sizeof(inl_hdr) + length) <=
+					mpw_room &&
+				(!txq->mpw_hdr_dseg ||
+				 mpw.total_len >= MLX5_WQE_SIZE);
+		}
+		/* Multi-segment packets must be alone in their MPW. */
+		assert((segs_n == 1) || (mpw.pkts_n == 0));
+		if (unlikely(mpw.state == MLX5_MPW_STATE_OPENED)) {
+#if defined(MLX5_PMD_SOFT_COUNTERS) || !defined(NDEBUG)
+			length = 0;
+#endif
+			do {
+				volatile struct mlx5_wqe_data_seg *dseg;
+
+				elts_head_next =
+					(elts_head + 1) & (elts_n - 1);
+				assert(buf);
+				(*txq->elts)[elts_head] = buf;
+				dseg = mpw.data.dseg[mpw.pkts_n];
+				addr = rte_pktmbuf_mtod(buf, uintptr_t);
+				*dseg = (struct mlx5_wqe_data_seg){
+					.byte_count = htonl(DATA_LEN(buf)),
+					.lkey = txq_mp2mr(txq, txq_mb2mp(buf)),
+					.addr = htonll(addr),
+				};
+				elts_head = elts_head_next;
+#if defined(MLX5_PMD_SOFT_COUNTERS) || !defined(NDEBUG)
+				length += DATA_LEN(buf);
+#endif
+				buf = buf->next;
+				++j;
+				++mpw.pkts_n;
+			} while (--segs_n);
+			/* A multi-segmented packet takes one MPW session.
+			 * TODO: Pack more multi-segmented packets if possible.
+			 */
+			mlx5_mpw_close(txq, &mpw);
+			if (mpw.pkts_n < 3)
+				max_wqe--;
+			else
+				max_wqe -= 2;
+		} else if (do_inline) {
+			/* Inline packet into WQE. */
+			unsigned int max;
+
+			assert(mpw.state == MLX5_MPW_ENHANCED_STATE_OPENED);
+			assert(length == DATA_LEN(buf));
+			inl_hdr = htonl(length | MLX5_INLINE_SEG);
+			addr = rte_pktmbuf_mtod(buf, uintptr_t);
+			mpw.data.raw = (volatile void *)
+				((uintptr_t)mpw.data.raw + inl_pad);
+			max = tx_mlx5_wqe_tailroom(txq,
+					(void *)(uintptr_t)mpw.data.raw);
+			/* Copy inline header. */
+			mpw.data.raw = (volatile void *)
+				memcpy_to_tailroom(
+					  (void *)(uintptr_t)mpw.data.raw,
+					  &inl_hdr,
+					  sizeof(inl_hdr),
+					  (void *)(uintptr_t)txq->wqes,
+					  max);
+			max = tx_mlx5_wqe_tailroom(txq,
+					(void *)(uintptr_t)mpw.data.raw);
+			/* Copy packet data. */
+			mpw.data.raw = (volatile void *)
+				memcpy_to_tailroom(
+					  (void *)(uintptr_t)mpw.data.raw,
+					  (void *)addr,
+					  length,
+					  (void *)(uintptr_t)txq->wqes,
+					  max);
+			++mpw.pkts_n;
+			mpw.total_len += (inl_pad + sizeof(inl_hdr) + length);
+			/* No need to get completion as the entire packet is
+			 * copied to WQ. Free the buf right away.
+			 */
+			elts_head_next = elts_head;
+			rte_pktmbuf_free_seg(buf);
+			mpw_room -= (inl_pad + sizeof(inl_hdr) + length);
+			/* Add pad in the next packet if any. */
+			inl_pad = (((uintptr_t)mpw.data.raw +
+					(MLX5_WQE_DWORD_SIZE - 1)) &
+					~(MLX5_WQE_DWORD_SIZE - 1)) -
+				  (uintptr_t)mpw.data.raw;
+		} else {
+			/* No inline. Load a dseg of packet pointer. */
+			volatile rte_v128u32_t *dseg;
+
+			assert(mpw.state == MLX5_MPW_ENHANCED_STATE_OPENED);
+			assert((inl_pad + sizeof(*dseg)) <= mpw_room);
+			assert(length == DATA_LEN(buf));
+			if (!tx_mlx5_wqe_tailroom(txq,
+					(void *)((uintptr_t)mpw.data.raw
+						+ inl_pad)))
+				dseg = (volatile void *)txq->wqes;
+			else
+				dseg = (volatile void *)
+					((uintptr_t)mpw.data.raw +
+					 inl_pad);
+			elts_head_next = (elts_head + 1) & (elts_n - 1);
+			(*txq->elts)[elts_head] = buf;
+			addr = rte_pktmbuf_mtod(buf, uintptr_t);
+			for (n = 0; n * RTE_CACHE_LINE_SIZE < length; n++)
+				rte_prefetch2((void *)(addr +
+						n * RTE_CACHE_LINE_SIZE));
+			addr = htonll(addr);
+			*dseg = (rte_v128u32_t) {
+				htonl(length),
+				txq_mp2mr(txq, txq_mb2mp(buf)),
+				addr,
+				addr >> 32,
+			};
+			mpw.data.raw = (volatile void *)(dseg + 1);
+			mpw.total_len += (inl_pad + sizeof(*dseg));
+			++j;
+			++mpw.pkts_n;
+			mpw_room -= (inl_pad + sizeof(*dseg));
+			inl_pad = 0;
+		}
+		elts_head = elts_head_next;
+#ifdef MLX5_PMD_SOFT_COUNTERS
+		/* Increment sent bytes counter. */
+		txq->stats.obytes += length;
+#endif
+		++i;
+	} while (i < pkts_n);
+	/* Take a shortcut if nothing must be sent. */
+	if (unlikely(i == 0))
+		return 0;
+	/* Check whether completion threshold has been reached. */
+	if (txq->elts_comp + j >= MLX5_TX_COMP_THRESH ||
+			(uint16_t)(txq->wqe_ci - txq->mpw_comp) >=
+			 (1 << txq->wqe_n) / MLX5_TX_COMP_THRESH_INLINE_DIV) {
+		volatile struct mlx5_wqe *wqe = mpw.wqe;
+
+		/* Request completion on last WQE. */
+		wqe->ctrl[2] = htonl(8);
+		/* Save elts_head in unused "immediate" field of WQE. */
+		wqe->ctrl[3] = elts_head;
+		txq->elts_comp = 0;
+		txq->mpw_comp = txq->wqe_ci;
+		txq->cq_pi++;
+	} else {
+		txq->elts_comp += j;
+	}
+#ifdef MLX5_PMD_SOFT_COUNTERS
+	/* Increment sent packets counter. */
+	txq->stats.opackets += i;
+#endif
+	if (mpw.state == MLX5_MPW_ENHANCED_STATE_OPENED)
+		mlx5_empw_close(txq, &mpw);
+	else if (mpw.state == MLX5_MPW_STATE_OPENED)
+		mlx5_mpw_close(txq, &mpw);
+	/* Ring QP doorbell. */
+	mlx5_tx_dbrec(txq, mpw.wqe);
+	txq->elts_head = elts_head;
+	return i;
+}
+
+/**
  * Translate RX completion flags to packet type.
  *
  * @param[in] cqe
diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 9669564fd..25e51b59e 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -247,17 +247,21 @@ struct txq {
 	uint16_t elts_head; /* Current index in (*elts)[]. */
 	uint16_t elts_tail; /* First element awaiting completion. */
 	uint16_t elts_comp; /* Counter since last completion request. */
+	uint16_t mpw_comp; /* WQ index since last completion request. */
 	uint16_t cq_ci; /* Consumer index for completion queue. */
+	uint16_t cq_pi; /* Producer index for completion queue. */
 	uint16_t wqe_ci; /* Consumer index for work queue. */
 	uint16_t wqe_pi; /* Producer index for work queue. */
 	uint16_t elts_n:4; /* (*elts)[] length (in log2). */
 	uint16_t cqe_n:4; /* Number of CQ elements (in log2). */
 	uint16_t wqe_n:4; /* Number of of WQ elements (in log2). */
-	uint16_t max_inline; /* Multiple of RTE_CACHE_LINE_SIZE to inline. */
 	uint16_t inline_en:1; /* When set inline is enabled. */
 	uint16_t tso_en:1; /* When set hardware TSO is enabled. */
 	uint16_t tunnel_en:1;
 	/* When set TX offload for tunneled packets are supported. */
+	uint16_t mpw_hdr_dseg:1; /* Enable DSEGs in the title WQEBB. */
+	uint16_t max_inline; /* Multiple of RTE_CACHE_LINE_SIZE to inline. */
+	uint16_t max_inline_len; /* Max packet length to inilne. */
 	uint32_t qp_num_8s; /* QP number shifted by 8. */
 	volatile struct mlx5_cqe (*cqes)[]; /* Completion queue. */
 	volatile void *wqes; /* Work queue (use volatile to write into). */
@@ -324,6 +328,7 @@ uint16_t mlx5_tx_burst_secondary_setup(void *, struct rte_mbuf **, uint16_t);
 uint16_t mlx5_tx_burst(void *, struct rte_mbuf **, uint16_t);
 uint16_t mlx5_tx_burst_mpw(void *, struct rte_mbuf **, uint16_t);
 uint16_t mlx5_tx_burst_mpw_inline(void *, struct rte_mbuf **, uint16_t);
+uint16_t mlx5_tx_burst_empw(void *, struct rte_mbuf **, uint16_t);
 uint16_t mlx5_rx_burst(void *, struct rte_mbuf **, uint16_t);
 uint16_t removed_tx_burst(void *, struct rte_mbuf **, uint16_t);
 uint16_t removed_rx_burst(void *, struct rte_mbuf **, uint16_t);
diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index 9d0c00f6d..e774954ca 100644
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -266,6 +266,7 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl,
 		struct ibv_exp_cq_attr cq_attr;
 	} attr;
 	enum ibv_exp_query_intf_status status;
+	unsigned int cqe_n;
 	int ret = 0;
 
 	if (mlx5_getenv_int("MLX5_ENABLE_CQE_COMPRESSION")) {
@@ -276,6 +277,8 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl,
 	(void)conf; /* Thresholds configuration (ignored). */
 	assert(desc > MLX5_TX_COMP_THRESH);
 	tmpl.txq.elts_n = log2above(desc);
+	if (priv->mps == MLX5_MPW_ENHANCED)
+		tmpl.txq.mpw_hdr_dseg = priv->mpw_hdr_dseg;
 	/* MRs will be registered in mp2mr[] later. */
 	attr.rd = (struct ibv_exp_res_domain_init_attr){
 		.comp_mask = (IBV_EXP_RES_DOMAIN_THREAD_MODEL |
@@ -294,9 +297,12 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl,
 		.comp_mask = IBV_EXP_CQ_INIT_ATTR_RES_DOMAIN,
 		.res_domain = tmpl.rd,
 	};
+	cqe_n = ((desc / MLX5_TX_COMP_THRESH) - 1) ?
+		((desc / MLX5_TX_COMP_THRESH) - 1) : 1;
+	if (priv->mps == MLX5_MPW_ENHANCED)
+		cqe_n += MLX5_TX_COMP_THRESH_INLINE_DIV;
 	tmpl.cq = ibv_exp_create_cq(priv->ctx,
-				    (((desc / MLX5_TX_COMP_THRESH) - 1) ?
-				     ((desc / MLX5_TX_COMP_THRESH) - 1) : 1),
+				    cqe_n,
 				    NULL, NULL, 0, &attr.cq);
 	if (tmpl.cq == NULL) {
 		ret = ENOMEM;
@@ -340,9 +346,23 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl *txq_ctrl,
 		tmpl.txq.max_inline =
 			((priv->txq_inline + (RTE_CACHE_LINE_SIZE - 1)) /
 			 RTE_CACHE_LINE_SIZE);
-		attr.init.cap.max_inline_data =
-			tmpl.txq.max_inline * RTE_CACHE_LINE_SIZE;
 		tmpl.txq.inline_en = 1;
+		/* TSO and MPS can't be enabled concurrently. */
+		assert(!priv->tso || !priv->mps);
+		if (priv->mps == MLX5_MPW_ENHANCED) {
+			tmpl.txq.max_inline_len = priv->txq_max_inline_len;
+			/* To minimize the size of data set, avoid requesting
+			 * too large WQ.
+			 */
+			attr.init.cap.max_inline_data =
+				((RTE_MIN(priv->txq_inline,
+					  priv->txq_max_inline_len) +
+				  (RTE_CACHE_LINE_SIZE - 1)) /
+				 RTE_CACHE_LINE_SIZE) * RTE_CACHE_LINE_SIZE;
+		} else {
+			attr.init.cap.max_inline_data =
+				tmpl.txq.max_inline * RTE_CACHE_LINE_SIZE;
+		}
 	}
 	if (priv->tso) {
 		uint16_t max_tso_inline = ((MLX5_MAX_TSO_HEADER +
