[dpdk-dev] [PATCH v2 30/62] net/cnxk: add Tx vector version for cn10k

[Nithin Dabilpuram <ndabilpuram@marvell.com>]

Add Tx burst vector version for CN10K.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
 drivers/net/cnxk/cn10k_tx.c     |  10 +
 drivers/net/cnxk/cn10k_tx.h     | 959 ++++++++++++++++++++++++++++++++++++++++
 drivers/net/cnxk/cn10k_tx_vec.c |  25 ++
 drivers/net/cnxk/meson.build    |   3 +-
 4 files changed, 996 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/cnxk/cn10k_tx_vec.c

diff --git a/drivers/net/cnxk/cn10k_tx.c b/drivers/net/cnxk/cn10k_tx.c
index 9803002..e6eb101 100644
--- a/drivers/net/cnxk/cn10k_tx.c
+++ b/drivers/net/cnxk/cn10k_tx.c
@@ -58,10 +58,20 @@ cn10k_eth_set_tx_function(struct rte_eth_dev *eth_dev)
 #undef T
 	};
 
+	const eth_tx_burst_t nix_eth_tx_vec_burst[2][2][2][2][2] = {
+#define T(name, f4, f3, f2, f1, f0, sz, flags)                         \
+	[f4][f3][f2][f1][f0] = cn10k_nix_xmit_pkts_vec_##name,
+
+		NIX_TX_FASTPATH_MODES
+#undef T
+	};
+
 	if (dev->scalar_ena ||
 	    (dev->tx_offload_flags &
 	     (NIX_TX_OFFLOAD_VLAN_QINQ_F | NIX_TX_OFFLOAD_TSO_F)))
 		pick_tx_func(eth_dev, nix_eth_tx_burst);
+	else
+		pick_tx_func(eth_dev, nix_eth_tx_vec_burst);
 
 	if (dev->tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
 		pick_tx_func(eth_dev, nix_eth_tx_burst_mseg);
diff --git a/drivers/net/cnxk/cn10k_tx.h b/drivers/net/cnxk/cn10k_tx.h
index 4a201fd..5d649e0 100644
--- a/drivers/net/cnxk/cn10k_tx.h
+++ b/drivers/net/cnxk/cn10k_tx.h
@@ -4,6 +4,8 @@
 #ifndef __CN10K_TX_H__
 #define __CN10K_TX_H__
 
+#include <rte_vect.h>
+
 #define NIX_TX_OFFLOAD_NONE	      (0)
 #define NIX_TX_OFFLOAD_L3_L4_CSUM_F   BIT(0)
 #define NIX_TX_OFFLOAD_OL3_OL4_CSUM_F BIT(1)
@@ -578,6 +580,960 @@ cn10k_nix_xmit_pkts_mseg(void *tx_queue, struct rte_mbuf **tx_pkts,
 	return pkts;
 }
 
+#if defined(RTE_ARCH_ARM64)
+
+#define NIX_DESCS_PER_LOOP 4
+static __rte_always_inline uint16_t
+cn10k_nix_xmit_pkts_vector(void *tx_queue, struct rte_mbuf **tx_pkts,
+			   uint16_t pkts, uint64_t *cmd, const uint16_t flags)
+{
+	uint64x2_t dataoff_iova0, dataoff_iova1, dataoff_iova2, dataoff_iova3;
+	uint64x2_t len_olflags0, len_olflags1, len_olflags2, len_olflags3;
+	uint64_t *mbuf0, *mbuf1, *mbuf2, *mbuf3, data, pa;
+	uint64x2_t senddesc01_w0, senddesc23_w0;
+	uint64x2_t senddesc01_w1, senddesc23_w1;
+	uint16_t left, scalar, burst, i, lmt_id;
+	uint64x2_t sgdesc01_w0, sgdesc23_w0;
+	uint64x2_t sgdesc01_w1, sgdesc23_w1;
+	struct cn10k_eth_txq *txq = tx_queue;
+	uintptr_t lmt_addr = txq->lmt_base;
+	rte_iova_t io_addr = txq->io_addr;
+	uint64x2_t ltypes01, ltypes23;
+	uint64x2_t xtmp128, ytmp128;
+	uint64x2_t xmask01, xmask23;
+	uint64x2_t cmd00, cmd01;
+	uint64x2_t cmd10, cmd11;
+	uint64x2_t cmd20, cmd21;
+	uint64x2_t cmd30, cmd31;
+
+	NIX_XMIT_FC_OR_RETURN(txq, pkts);
+
+	scalar = pkts & (NIX_DESCS_PER_LOOP - 1);
+	pkts = RTE_ALIGN_FLOOR(pkts, NIX_DESCS_PER_LOOP);
+
+	/* Reduce the cached count */
+	txq->fc_cache_pkts -= pkts;
+
+	senddesc01_w0 = vld1q_dup_u64(&txq->send_hdr_w0);
+	senddesc23_w0 = senddesc01_w0;
+	senddesc01_w1 = vdupq_n_u64(0);
+	senddesc23_w1 = senddesc01_w1;
+	sgdesc01_w0 = vld1q_dup_u64(&txq->sg_w0);
+	sgdesc23_w0 = sgdesc01_w0;
+
+	/* Get LMT base address and LMT ID as lcore id */
+	ROC_LMT_BASE_ID_GET(lmt_addr, lmt_id);
+	left = pkts;
+again:
+	burst = left > 32 ? 32 : left;
+	for (i = 0; i < burst; i += NIX_DESCS_PER_LOOP) {
+		/* Clear lower 32bit of SEND_HDR_W0 and SEND_SG_W0 */
+		senddesc01_w0 =
+			vbicq_u64(senddesc01_w0, vdupq_n_u64(0xFFFFFFFF));
+		sgdesc01_w0 = vbicq_u64(sgdesc01_w0, vdupq_n_u64(0xFFFFFFFF));
+
+		senddesc23_w0 = senddesc01_w0;
+		sgdesc23_w0 = sgdesc01_w0;
+
+		/* Move mbufs to iova */
+		mbuf0 = (uint64_t *)tx_pkts[0];
+		mbuf1 = (uint64_t *)tx_pkts[1];
+		mbuf2 = (uint64_t *)tx_pkts[2];
+		mbuf3 = (uint64_t *)tx_pkts[3];
+
+		mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
+				     offsetof(struct rte_mbuf, buf_iova));
+		mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
+				     offsetof(struct rte_mbuf, buf_iova));
+		mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
+				     offsetof(struct rte_mbuf, buf_iova));
+		mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
+				     offsetof(struct rte_mbuf, buf_iova));
+		/*
+		 * Get mbuf's, olflags, iova, pktlen, dataoff
+		 * dataoff_iovaX.D[0] = iova,
+		 * dataoff_iovaX.D[1](15:0) = mbuf->dataoff
+		 * len_olflagsX.D[0] = ol_flags,
+		 * len_olflagsX.D[1](63:32) = mbuf->pkt_len
+		 */
+		dataoff_iova0 = vld1q_u64(mbuf0);
+		len_olflags0 = vld1q_u64(mbuf0 + 2);
+		dataoff_iova1 = vld1q_u64(mbuf1);
+		len_olflags1 = vld1q_u64(mbuf1 + 2);
+		dataoff_iova2 = vld1q_u64(mbuf2);
+		len_olflags2 = vld1q_u64(mbuf2 + 2);
+		dataoff_iova3 = vld1q_u64(mbuf3);
+		len_olflags3 = vld1q_u64(mbuf3 + 2);
+
+		if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
+			struct rte_mbuf *mbuf;
+			/* Set don't free bit if reference count > 1 */
+			xmask01 = vdupq_n_u64(0);
+			xmask23 = xmask01;
+
+			mbuf = (struct rte_mbuf *)((uintptr_t)mbuf0 -
+						   offsetof(struct rte_mbuf,
+							    buf_iova));
+
+			if (cnxk_nix_prefree_seg(mbuf))
+				vsetq_lane_u64(0x80000, xmask01, 0);
+			else
+				__mempool_check_cookies(mbuf->pool,
+							(void **)&mbuf, 1, 0);
+
+			mbuf = (struct rte_mbuf *)((uintptr_t)mbuf1 -
+						   offsetof(struct rte_mbuf,
+							    buf_iova));
+			if (cnxk_nix_prefree_seg(mbuf))
+				vsetq_lane_u64(0x80000, xmask01, 1);
+			else
+				__mempool_check_cookies(mbuf->pool,
+							(void **)&mbuf, 1, 0);
+
+			mbuf = (struct rte_mbuf *)((uintptr_t)mbuf2 -
+						   offsetof(struct rte_mbuf,
+							    buf_iova));
+			if (cnxk_nix_prefree_seg(mbuf))
+				vsetq_lane_u64(0x80000, xmask23, 0);
+			else
+				__mempool_check_cookies(mbuf->pool,
+							(void **)&mbuf, 1, 0);
+
+			mbuf = (struct rte_mbuf *)((uintptr_t)mbuf3 -
+						   offsetof(struct rte_mbuf,
+							    buf_iova));
+			if (cnxk_nix_prefree_seg(mbuf))
+				vsetq_lane_u64(0x80000, xmask23, 1);
+			else
+				__mempool_check_cookies(mbuf->pool,
+							(void **)&mbuf, 1, 0);
+			senddesc01_w0 = vorrq_u64(senddesc01_w0, xmask01);
+			senddesc23_w0 = vorrq_u64(senddesc23_w0, xmask23);
+		} else {
+			struct rte_mbuf *mbuf;
+			/* Mark mempool object as "put" since
+			 * it is freed by NIX
+			 */
+			mbuf = (struct rte_mbuf *)((uintptr_t)mbuf0 -
+						   offsetof(struct rte_mbuf,
+							    buf_iova));
+			__mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1,
+						0);
+
+			mbuf = (struct rte_mbuf *)((uintptr_t)mbuf1 -
+						   offsetof(struct rte_mbuf,
+							    buf_iova));
+			__mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1,
+						0);
+
+			mbuf = (struct rte_mbuf *)((uintptr_t)mbuf2 -
+						   offsetof(struct rte_mbuf,
+							    buf_iova));
+			__mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1,
+						0);
+
+			mbuf = (struct rte_mbuf *)((uintptr_t)mbuf3 -
+						   offsetof(struct rte_mbuf,
+							    buf_iova));
+			__mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1,
+						0);
+			RTE_SET_USED(mbuf);
+		}
+
+		/* Move mbufs to point pool */
+		mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
+				     offsetof(struct rte_mbuf, pool) -
+				     offsetof(struct rte_mbuf, buf_iova));
+		mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
+				     offsetof(struct rte_mbuf, pool) -
+				     offsetof(struct rte_mbuf, buf_iova));
+		mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
+				     offsetof(struct rte_mbuf, pool) -
+				     offsetof(struct rte_mbuf, buf_iova));
+		mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
+				     offsetof(struct rte_mbuf, pool) -
+				     offsetof(struct rte_mbuf, buf_iova));
+
+		if (flags & (NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |
+			     NIX_TX_OFFLOAD_L3_L4_CSUM_F)) {
+			/* Get tx_offload for ol2, ol3, l2, l3 lengths */
+			/*
+			 * E(8):OL2_LEN(7):OL3_LEN(9):E(24):L3_LEN(9):L2_LEN(7)
+			 * E(8):OL2_LEN(7):OL3_LEN(9):E(24):L3_LEN(9):L2_LEN(7)
+			 */
+
+			asm volatile("LD1 {%[a].D}[0],[%[in]]\n\t"
+				     : [a] "+w"(senddesc01_w1)
+				     : [in] "r"(mbuf0 + 2)
+				     : "memory");
+
+			asm volatile("LD1 {%[a].D}[1],[%[in]]\n\t"
+				     : [a] "+w"(senddesc01_w1)
+				     : [in] "r"(mbuf1 + 2)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].D}[0],[%[in]]\n\t"
+				     : [b] "+w"(senddesc23_w1)
+				     : [in] "r"(mbuf2 + 2)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].D}[1],[%[in]]\n\t"
+				     : [b] "+w"(senddesc23_w1)
+				     : [in] "r"(mbuf3 + 2)
+				     : "memory");
+
+			/* Get pool pointer alone */
+			mbuf0 = (uint64_t *)*mbuf0;
+			mbuf1 = (uint64_t *)*mbuf1;
+			mbuf2 = (uint64_t *)*mbuf2;
+			mbuf3 = (uint64_t *)*mbuf3;
+		} else {
+			/* Get pool pointer alone */
+			mbuf0 = (uint64_t *)*mbuf0;
+			mbuf1 = (uint64_t *)*mbuf1;
+			mbuf2 = (uint64_t *)*mbuf2;
+			mbuf3 = (uint64_t *)*mbuf3;
+		}
+
+		const uint8x16_t shuf_mask2 = {
+			0x4, 0x5, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+			0xc, 0xd, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+		};
+		xtmp128 = vzip2q_u64(len_olflags0, len_olflags1);
+		ytmp128 = vzip2q_u64(len_olflags2, len_olflags3);
+
+		/* Clear dataoff_iovaX.D[1] bits other than dataoff(15:0) */
+		const uint64x2_t and_mask0 = {
+			0xFFFFFFFFFFFFFFFF,
+			0x000000000000FFFF,
+		};
+
+		dataoff_iova0 = vandq_u64(dataoff_iova0, and_mask0);
+		dataoff_iova1 = vandq_u64(dataoff_iova1, and_mask0);
+		dataoff_iova2 = vandq_u64(dataoff_iova2, and_mask0);
+		dataoff_iova3 = vandq_u64(dataoff_iova3, and_mask0);
+
+		/*
+		 * Pick only 16 bits of pktlen preset at bits 63:32
+		 * and place them at bits 15:0.
+		 */
+		xtmp128 = vqtbl1q_u8(xtmp128, shuf_mask2);
+		ytmp128 = vqtbl1q_u8(ytmp128, shuf_mask2);
+
+		/* Add pairwise to get dataoff + iova in sgdesc_w1 */
+		sgdesc01_w1 = vpaddq_u64(dataoff_iova0, dataoff_iova1);
+		sgdesc23_w1 = vpaddq_u64(dataoff_iova2, dataoff_iova3);
+
+		/* Orr both sgdesc_w0 and senddesc_w0 with 16 bits of
+		 * pktlen at 15:0 position.
+		 */
+		sgdesc01_w0 = vorrq_u64(sgdesc01_w0, xtmp128);
+		sgdesc23_w0 = vorrq_u64(sgdesc23_w0, ytmp128);
+		senddesc01_w0 = vorrq_u64(senddesc01_w0, xtmp128);
+		senddesc23_w0 = vorrq_u64(senddesc23_w0, ytmp128);
+
+		if ((flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F) &&
+		    !(flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)) {
+			/*
+			 * Lookup table to translate ol_flags to
+			 * il3/il4 types. But we still use ol3/ol4 types in
+			 * senddesc_w1 as only one header processing is enabled.
+			 */
+			const uint8x16_t tbl = {
+				/* [0-15] = il4type:il3type */
+				0x04, /* none (IPv6 assumed) */
+				0x14, /* PKT_TX_TCP_CKSUM (IPv6 assumed) */
+				0x24, /* PKT_TX_SCTP_CKSUM (IPv6 assumed) */
+				0x34, /* PKT_TX_UDP_CKSUM (IPv6 assumed) */
+				0x03, /* PKT_TX_IP_CKSUM */
+				0x13, /* PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM */
+				0x23, /* PKT_TX_IP_CKSUM | PKT_TX_SCTP_CKSUM */
+				0x33, /* PKT_TX_IP_CKSUM | PKT_TX_UDP_CKSUM */
+				0x02, /* PKT_TX_IPV4  */
+				0x12, /* PKT_TX_IPV4 | PKT_TX_TCP_CKSUM */
+				0x22, /* PKT_TX_IPV4 | PKT_TX_SCTP_CKSUM */
+				0x32, /* PKT_TX_IPV4 | PKT_TX_UDP_CKSUM */
+				0x03, /* PKT_TX_IPV4 | PKT_TX_IP_CKSUM */
+				0x13, /* PKT_TX_IPV4 | PKT_TX_IP_CKSUM |
+				       * PKT_TX_TCP_CKSUM
+				       */
+				0x23, /* PKT_TX_IPV4 | PKT_TX_IP_CKSUM |
+				       * PKT_TX_SCTP_CKSUM
+				       */
+				0x33, /* PKT_TX_IPV4 | PKT_TX_IP_CKSUM |
+				       * PKT_TX_UDP_CKSUM
+				       */
+			};
+
+			/* Extract olflags to translate to iltypes */
+			xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
+			ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
+
+			/*
+			 * E(47):L3_LEN(9):L2_LEN(7+z)
+			 * E(47):L3_LEN(9):L2_LEN(7+z)
+			 */
+			senddesc01_w1 = vshlq_n_u64(senddesc01_w1, 1);
+			senddesc23_w1 = vshlq_n_u64(senddesc23_w1, 1);
+
+			/* Move OLFLAGS bits 55:52 to 51:48
+			 * with zeros preprended on the byte and rest
+			 * don't care
+			 */
+			xtmp128 = vshrq_n_u8(xtmp128, 4);
+			ytmp128 = vshrq_n_u8(ytmp128, 4);
+			/*
+			 * E(48):L3_LEN(8):L2_LEN(z+7)
+			 * E(48):L3_LEN(8):L2_LEN(z+7)
+			 */
+			const int8x16_t tshft3 = {
+				-1, 0, 8, 8, 8, 8, 8, 8,
+				-1, 0, 8, 8, 8, 8, 8, 8,
+			};
+
+			senddesc01_w1 = vshlq_u8(senddesc01_w1, tshft3);
+			senddesc23_w1 = vshlq_u8(senddesc23_w1, tshft3);
+
+			/* Do the lookup */
+			ltypes01 = vqtbl1q_u8(tbl, xtmp128);
+			ltypes23 = vqtbl1q_u8(tbl, ytmp128);
+
+			/* Just use ld1q to retrieve aura
+			 * when we don't need tx_offload
+			 */
+			mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+
+			/* Pick only relevant fields i.e Bit 48:55 of iltype
+			 * and place it in ol3/ol4type of senddesc_w1
+			 */
+			const uint8x16_t shuf_mask0 = {
+				0xFF, 0xFF, 0xFF, 0xFF, 0x6, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xE, 0xFF, 0xFF, 0xFF,
+			};
+
+			ltypes01 = vqtbl1q_u8(ltypes01, shuf_mask0);
+			ltypes23 = vqtbl1q_u8(ltypes23, shuf_mask0);
+
+			/* Prepare ol4ptr, ol3ptr from ol3len, ol2len.
+			 * a [E(32):E(16):OL3(8):OL2(8)]
+			 * a = a + (a << 8)
+			 * a [E(32):E(16):(OL3+OL2):OL2]
+			 * => E(32):E(16)::OL4PTR(8):OL3PTR(8)
+			 */
+			senddesc01_w1 = vaddq_u8(senddesc01_w1,
+						 vshlq_n_u16(senddesc01_w1, 8));
+			senddesc23_w1 = vaddq_u8(senddesc23_w1,
+						 vshlq_n_u16(senddesc23_w1, 8));
+
+			/* Create first half of 4W cmd for 4 mbufs (sgdesc) */
+			cmd01 = vzip1q_u64(sgdesc01_w0, sgdesc01_w1);
+			cmd11 = vzip2q_u64(sgdesc01_w0, sgdesc01_w1);
+			cmd21 = vzip1q_u64(sgdesc23_w0, sgdesc23_w1);
+			cmd31 = vzip2q_u64(sgdesc23_w0, sgdesc23_w1);
+
+			xmask01 = vdupq_n_u64(0);
+			xmask23 = xmask01;
+			asm volatile("LD1 {%[a].H}[0],[%[in]]\n\t"
+				     : [a] "+w"(xmask01)
+				     : [in] "r"(mbuf0)
+				     : "memory");
+
+			asm volatile("LD1 {%[a].H}[4],[%[in]]\n\t"
+				     : [a] "+w"(xmask01)
+				     : [in] "r"(mbuf1)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].H}[0],[%[in]]\n\t"
+				     : [b] "+w"(xmask23)
+				     : [in] "r"(mbuf2)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].H}[4],[%[in]]\n\t"
+				     : [b] "+w"(xmask23)
+				     : [in] "r"(mbuf3)
+				     : "memory");
+			xmask01 = vshlq_n_u64(xmask01, 20);
+			xmask23 = vshlq_n_u64(xmask23, 20);
+
+			senddesc01_w0 = vorrq_u64(senddesc01_w0, xmask01);
+			senddesc23_w0 = vorrq_u64(senddesc23_w0, xmask23);
+			/* Move ltypes to senddesc*_w1 */
+			senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
+			senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
+
+			/* Create first half of 4W cmd for 4 mbufs (sendhdr) */
+			cmd00 = vzip1q_u64(senddesc01_w0, senddesc01_w1);
+			cmd10 = vzip2q_u64(senddesc01_w0, senddesc01_w1);
+			cmd20 = vzip1q_u64(senddesc23_w0, senddesc23_w1);
+			cmd30 = vzip2q_u64(senddesc23_w0, senddesc23_w1);
+
+		} else if (!(flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F) &&
+			   (flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)) {
+			/*
+			 * Lookup table to translate ol_flags to
+			 * ol3/ol4 types.
+			 */
+
+			const uint8x16_t tbl = {
+				/* [0-15] = ol4type:ol3type */
+				0x00, /* none */
+				0x03, /* OUTER_IP_CKSUM */
+				0x02, /* OUTER_IPV4 */
+				0x03, /* OUTER_IPV4 | OUTER_IP_CKSUM */
+				0x04, /* OUTER_IPV6 */
+				0x00, /* OUTER_IPV6 | OUTER_IP_CKSUM */
+				0x00, /* OUTER_IPV6 | OUTER_IPV4 */
+				0x00, /* OUTER_IPV6 | OUTER_IPV4 |
+				       * OUTER_IP_CKSUM
+				       */
+				0x00, /* OUTER_UDP_CKSUM */
+				0x33, /* OUTER_UDP_CKSUM | OUTER_IP_CKSUM */
+				0x32, /* OUTER_UDP_CKSUM | OUTER_IPV4 */
+				0x33, /* OUTER_UDP_CKSUM | OUTER_IPV4 |
+				       * OUTER_IP_CKSUM
+				       */
+				0x34, /* OUTER_UDP_CKSUM | OUTER_IPV6 */
+				0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
+				       * OUTER_IP_CKSUM
+				       */
+				0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
+				       * OUTER_IPV4
+				       */
+				0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
+				       * OUTER_IPV4 | OUTER_IP_CKSUM
+				       */
+			};
+
+			/* Extract olflags to translate to iltypes */
+			xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
+			ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
+
+			/*
+			 * E(47):OL3_LEN(9):OL2_LEN(7+z)
+			 * E(47):OL3_LEN(9):OL2_LEN(7+z)
+			 */
+			const uint8x16_t shuf_mask5 = {
+				0x6, 0x5, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xE, 0xD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+			};
+			senddesc01_w1 = vqtbl1q_u8(senddesc01_w1, shuf_mask5);
+			senddesc23_w1 = vqtbl1q_u8(senddesc23_w1, shuf_mask5);
+
+			/* Extract outer ol flags only */
+			const uint64x2_t o_cksum_mask = {
+				0x1C00020000000000,
+				0x1C00020000000000,
+			};
+
+			xtmp128 = vandq_u64(xtmp128, o_cksum_mask);
+			ytmp128 = vandq_u64(ytmp128, o_cksum_mask);
+
+			/* Extract OUTER_UDP_CKSUM bit 41 and
+			 * move it to bit 61
+			 */
+
+			xtmp128 = xtmp128 | vshlq_n_u64(xtmp128, 20);
+			ytmp128 = ytmp128 | vshlq_n_u64(ytmp128, 20);
+
+			/* Shift oltype by 2 to start nibble from BIT(56)
+			 * instead of BIT(58)
+			 */
+			xtmp128 = vshrq_n_u8(xtmp128, 2);
+			ytmp128 = vshrq_n_u8(ytmp128, 2);
+			/*
+			 * E(48):L3_LEN(8):L2_LEN(z+7)
+			 * E(48):L3_LEN(8):L2_LEN(z+7)
+			 */
+			const int8x16_t tshft3 = {
+				-1, 0, 8, 8, 8, 8, 8, 8,
+				-1, 0, 8, 8, 8, 8, 8, 8,
+			};
+
+			senddesc01_w1 = vshlq_u8(senddesc01_w1, tshft3);
+			senddesc23_w1 = vshlq_u8(senddesc23_w1, tshft3);
+
+			/* Do the lookup */
+			ltypes01 = vqtbl1q_u8(tbl, xtmp128);
+			ltypes23 = vqtbl1q_u8(tbl, ytmp128);
+
+			/* Just use ld1q to retrieve aura
+			 * when we don't need tx_offload
+			 */
+			mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+
+			/* Pick only relevant fields i.e Bit 56:63 of oltype
+			 * and place it in ol3/ol4type of senddesc_w1
+			 */
+			const uint8x16_t shuf_mask0 = {
+				0xFF, 0xFF, 0xFF, 0xFF, 0x7, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xF, 0xFF, 0xFF, 0xFF,
+			};
+
+			ltypes01 = vqtbl1q_u8(ltypes01, shuf_mask0);
+			ltypes23 = vqtbl1q_u8(ltypes23, shuf_mask0);
+
+			/* Prepare ol4ptr, ol3ptr from ol3len, ol2len.
+			 * a [E(32):E(16):OL3(8):OL2(8)]
+			 * a = a + (a << 8)
+			 * a [E(32):E(16):(OL3+OL2):OL2]
+			 * => E(32):E(16)::OL4PTR(8):OL3PTR(8)
+			 */
+			senddesc01_w1 = vaddq_u8(senddesc01_w1,
+						 vshlq_n_u16(senddesc01_w1, 8));
+			senddesc23_w1 = vaddq_u8(senddesc23_w1,
+						 vshlq_n_u16(senddesc23_w1, 8));
+
+			/* Create second half of 4W cmd for 4 mbufs (sgdesc) */
+			cmd01 = vzip1q_u64(sgdesc01_w0, sgdesc01_w1);
+			cmd11 = vzip2q_u64(sgdesc01_w0, sgdesc01_w1);
+			cmd21 = vzip1q_u64(sgdesc23_w0, sgdesc23_w1);
+			cmd31 = vzip2q_u64(sgdesc23_w0, sgdesc23_w1);
+
+			xmask01 = vdupq_n_u64(0);
+			xmask23 = xmask01;
+			asm volatile("LD1 {%[a].H}[0],[%[in]]\n\t"
+				     : [a] "+w"(xmask01)
+				     : [in] "r"(mbuf0)
+				     : "memory");
+
+			asm volatile("LD1 {%[a].H}[4],[%[in]]\n\t"
+				     : [a] "+w"(xmask01)
+				     : [in] "r"(mbuf1)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].H}[0],[%[in]]\n\t"
+				     : [b] "+w"(xmask23)
+				     : [in] "r"(mbuf2)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].H}[4],[%[in]]\n\t"
+				     : [b] "+w"(xmask23)
+				     : [in] "r"(mbuf3)
+				     : "memory");
+			xmask01 = vshlq_n_u64(xmask01, 20);
+			xmask23 = vshlq_n_u64(xmask23, 20);
+
+			senddesc01_w0 = vorrq_u64(senddesc01_w0, xmask01);
+			senddesc23_w0 = vorrq_u64(senddesc23_w0, xmask23);
+			/* Move ltypes to senddesc*_w1 */
+			senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
+			senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
+
+			/* Create first half of 4W cmd for 4 mbufs (sendhdr) */
+			cmd00 = vzip1q_u64(senddesc01_w0, senddesc01_w1);
+			cmd10 = vzip2q_u64(senddesc01_w0, senddesc01_w1);
+			cmd20 = vzip1q_u64(senddesc23_w0, senddesc23_w1);
+			cmd30 = vzip2q_u64(senddesc23_w0, senddesc23_w1);
+
+		} else if ((flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F) &&
+			   (flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)) {
+			/* Lookup table to translate ol_flags to
+			 * ol4type, ol3type, il4type, il3type of senddesc_w1
+			 */
+			const uint8x16x2_t tbl = {{
+				{
+					/* [0-15] = il4type:il3type */
+					0x04, /* none (IPv6) */
+					0x14, /* PKT_TX_TCP_CKSUM (IPv6) */
+					0x24, /* PKT_TX_SCTP_CKSUM (IPv6) */
+					0x34, /* PKT_TX_UDP_CKSUM (IPv6) */
+					0x03, /* PKT_TX_IP_CKSUM */
+					0x13, /* PKT_TX_IP_CKSUM |
+					       * PKT_TX_TCP_CKSUM
+					       */
+					0x23, /* PKT_TX_IP_CKSUM |
+					       * PKT_TX_SCTP_CKSUM
+					       */
+					0x33, /* PKT_TX_IP_CKSUM |
+					       * PKT_TX_UDP_CKSUM
+					       */
+					0x02, /* PKT_TX_IPV4 */
+					0x12, /* PKT_TX_IPV4 |
+					       * PKT_TX_TCP_CKSUM
+					       */
+					0x22, /* PKT_TX_IPV4 |
+					       * PKT_TX_SCTP_CKSUM
+					       */
+					0x32, /* PKT_TX_IPV4 |
+					       * PKT_TX_UDP_CKSUM
+					       */
+					0x03, /* PKT_TX_IPV4 |
+					       * PKT_TX_IP_CKSUM
+					       */
+					0x13, /* PKT_TX_IPV4 | PKT_TX_IP_CKSUM |
+					       * PKT_TX_TCP_CKSUM
+					       */
+					0x23, /* PKT_TX_IPV4 | PKT_TX_IP_CKSUM |
+					       * PKT_TX_SCTP_CKSUM
+					       */
+					0x33, /* PKT_TX_IPV4 | PKT_TX_IP_CKSUM |
+					       * PKT_TX_UDP_CKSUM
+					       */
+				},
+
+				{
+					/* [16-31] = ol4type:ol3type */
+					0x00, /* none */
+					0x03, /* OUTER_IP_CKSUM */
+					0x02, /* OUTER_IPV4 */
+					0x03, /* OUTER_IPV4 | OUTER_IP_CKSUM */
+					0x04, /* OUTER_IPV6 */
+					0x00, /* OUTER_IPV6 | OUTER_IP_CKSUM */
+					0x00, /* OUTER_IPV6 | OUTER_IPV4 */
+					0x00, /* OUTER_IPV6 | OUTER_IPV4 |
+					       * OUTER_IP_CKSUM
+					       */
+					0x00, /* OUTER_UDP_CKSUM */
+					0x33, /* OUTER_UDP_CKSUM |
+					       * OUTER_IP_CKSUM
+					       */
+					0x32, /* OUTER_UDP_CKSUM |
+					       * OUTER_IPV4
+					       */
+					0x33, /* OUTER_UDP_CKSUM |
+					       * OUTER_IPV4 | OUTER_IP_CKSUM
+					       */
+					0x34, /* OUTER_UDP_CKSUM |
+					       * OUTER_IPV6
+					       */
+					0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
+					       * OUTER_IP_CKSUM
+					       */
+					0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
+					       * OUTER_IPV4
+					       */
+					0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
+					       * OUTER_IPV4 | OUTER_IP_CKSUM
+					       */
+				},
+			}};
+
+			/* Extract olflags to translate to oltype & iltype */
+			xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
+			ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
+
+			/*
+			 * E(8):OL2_LN(7):OL3_LN(9):E(23):L3_LN(9):L2_LN(7+z)
+			 * E(8):OL2_LN(7):OL3_LN(9):E(23):L3_LN(9):L2_LN(7+z)
+			 */
+			const uint32x4_t tshft_4 = {
+				1,
+				0,
+				1,
+				0,
+			};
+			senddesc01_w1 = vshlq_u32(senddesc01_w1, tshft_4);
+			senddesc23_w1 = vshlq_u32(senddesc23_w1, tshft_4);
+
+			/*
+			 * E(32):L3_LEN(8):L2_LEN(7+Z):OL3_LEN(8):OL2_LEN(7+Z)
+			 * E(32):L3_LEN(8):L2_LEN(7+Z):OL3_LEN(8):OL2_LEN(7+Z)
+			 */
+			const uint8x16_t shuf_mask5 = {
+				0x6, 0x5, 0x0, 0x1, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xE, 0xD, 0x8, 0x9, 0xFF, 0xFF, 0xFF, 0xFF,
+			};
+			senddesc01_w1 = vqtbl1q_u8(senddesc01_w1, shuf_mask5);
+			senddesc23_w1 = vqtbl1q_u8(senddesc23_w1, shuf_mask5);
+
+			/* Extract outer and inner header ol_flags */
+			const uint64x2_t oi_cksum_mask = {
+				0x1CF0020000000000,
+				0x1CF0020000000000,
+			};
+
+			xtmp128 = vandq_u64(xtmp128, oi_cksum_mask);
+			ytmp128 = vandq_u64(ytmp128, oi_cksum_mask);
+
+			/* Extract OUTER_UDP_CKSUM bit 41 and
+			 * move it to bit 61
+			 */
+
+			xtmp128 = xtmp128 | vshlq_n_u64(xtmp128, 20);
+			ytmp128 = ytmp128 | vshlq_n_u64(ytmp128, 20);
+
+			/* Shift right oltype by 2 and iltype by 4
+			 * to start oltype nibble from BIT(58)
+			 * instead of BIT(56) and iltype nibble from BIT(48)
+			 * instead of BIT(52).
+			 */
+			const int8x16_t tshft5 = {
+				8, 8, 8, 8, 8, 8, -4, -2,
+				8, 8, 8, 8, 8, 8, -4, -2,
+			};
+
+			xtmp128 = vshlq_u8(xtmp128, tshft5);
+			ytmp128 = vshlq_u8(ytmp128, tshft5);
+			/*
+			 * E(32):L3_LEN(8):L2_LEN(8):OL3_LEN(8):OL2_LEN(8)
+			 * E(32):L3_LEN(8):L2_LEN(8):OL3_LEN(8):OL2_LEN(8)
+			 */
+			const int8x16_t tshft3 = {
+				-1, 0, -1, 0, 0, 0, 0, 0,
+				-1, 0, -1, 0, 0, 0, 0, 0,
+			};
+
+			senddesc01_w1 = vshlq_u8(senddesc01_w1, tshft3);
+			senddesc23_w1 = vshlq_u8(senddesc23_w1, tshft3);
+
+			/* Mark Bit(4) of oltype */
+			const uint64x2_t oi_cksum_mask2 = {
+				0x1000000000000000,
+				0x1000000000000000,
+			};
+
+			xtmp128 = vorrq_u64(xtmp128, oi_cksum_mask2);
+			ytmp128 = vorrq_u64(ytmp128, oi_cksum_mask2);
+
+			/* Do the lookup */
+			ltypes01 = vqtbl2q_u8(tbl, xtmp128);
+			ltypes23 = vqtbl2q_u8(tbl, ytmp128);
+
+			/* Just use ld1q to retrieve aura
+			 * when we don't need tx_offload
+			 */
+			mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+
+			/* Pick only relevant fields i.e Bit 48:55 of iltype and
+			 * Bit 56:63 of oltype and place it in corresponding
+			 * place in senddesc_w1.
+			 */
+			const uint8x16_t shuf_mask0 = {
+				0xFF, 0xFF, 0xFF, 0xFF, 0x7, 0x6, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xF, 0xE, 0xFF, 0xFF,
+			};
+
+			ltypes01 = vqtbl1q_u8(ltypes01, shuf_mask0);
+			ltypes23 = vqtbl1q_u8(ltypes23, shuf_mask0);
+
+			/* Prepare l4ptr, l3ptr, ol4ptr, ol3ptr from
+			 * l3len, l2len, ol3len, ol2len.
+			 * a [E(32):L3(8):L2(8):OL3(8):OL2(8)]
+			 * a = a + (a << 8)
+			 * a [E:(L3+L2):(L2+OL3):(OL3+OL2):OL2]
+			 * a = a + (a << 16)
+			 * a [E:(L3+L2+OL3+OL2):(L2+OL3+OL2):(OL3+OL2):OL2]
+			 * => E(32):IL4PTR(8):IL3PTR(8):OL4PTR(8):OL3PTR(8)
+			 */
+			senddesc01_w1 = vaddq_u8(senddesc01_w1,
+						 vshlq_n_u32(senddesc01_w1, 8));
+			senddesc23_w1 = vaddq_u8(senddesc23_w1,
+						 vshlq_n_u32(senddesc23_w1, 8));
+
+			/* Create second half of 4W cmd for 4 mbufs (sgdesc) */
+			cmd01 = vzip1q_u64(sgdesc01_w0, sgdesc01_w1);
+			cmd11 = vzip2q_u64(sgdesc01_w0, sgdesc01_w1);
+			cmd21 = vzip1q_u64(sgdesc23_w0, sgdesc23_w1);
+			cmd31 = vzip2q_u64(sgdesc23_w0, sgdesc23_w1);
+
+			/* Continue preparing l4ptr, l3ptr, ol4ptr, ol3ptr */
+			senddesc01_w1 = vaddq_u8(
+				senddesc01_w1, vshlq_n_u32(senddesc01_w1, 16));
+			senddesc23_w1 = vaddq_u8(
+				senddesc23_w1, vshlq_n_u32(senddesc23_w1, 16));
+
+			xmask01 = vdupq_n_u64(0);
+			xmask23 = xmask01;
+			asm volatile("LD1 {%[a].H}[0],[%[in]]\n\t"
+				     : [a] "+w"(xmask01)
+				     : [in] "r"(mbuf0)
+				     : "memory");
+
+			asm volatile("LD1 {%[a].H}[4],[%[in]]\n\t"
+				     : [a] "+w"(xmask01)
+				     : [in] "r"(mbuf1)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].H}[0],[%[in]]\n\t"
+				     : [b] "+w"(xmask23)
+				     : [in] "r"(mbuf2)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].H}[4],[%[in]]\n\t"
+				     : [b] "+w"(xmask23)
+				     : [in] "r"(mbuf3)
+				     : "memory");
+			xmask01 = vshlq_n_u64(xmask01, 20);
+			xmask23 = vshlq_n_u64(xmask23, 20);
+
+			senddesc01_w0 = vorrq_u64(senddesc01_w0, xmask01);
+			senddesc23_w0 = vorrq_u64(senddesc23_w0, xmask23);
+			/* Move ltypes to senddesc*_w1 */
+			senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
+			senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
+
+			/* Create first half of 4W cmd for 4 mbufs (sendhdr) */
+			cmd00 = vzip1q_u64(senddesc01_w0, senddesc01_w1);
+			cmd10 = vzip2q_u64(senddesc01_w0, senddesc01_w1);
+			cmd20 = vzip1q_u64(senddesc23_w0, senddesc23_w1);
+			cmd30 = vzip2q_u64(senddesc23_w0, senddesc23_w1);
+		} else {
+			/* Just use ld1q to retrieve aura
+			 * when we don't need tx_offload
+			 */
+			mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
+					     offsetof(struct rte_mempool,
+						      pool_id));
+			xmask01 = vdupq_n_u64(0);
+			xmask23 = xmask01;
+			asm volatile("LD1 {%[a].H}[0],[%[in]]\n\t"
+				     : [a] "+w"(xmask01)
+				     : [in] "r"(mbuf0)
+				     : "memory");
+
+			asm volatile("LD1 {%[a].H}[4],[%[in]]\n\t"
+				     : [a] "+w"(xmask01)
+				     : [in] "r"(mbuf1)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].H}[0],[%[in]]\n\t"
+				     : [b] "+w"(xmask23)
+				     : [in] "r"(mbuf2)
+				     : "memory");
+
+			asm volatile("LD1 {%[b].H}[4],[%[in]]\n\t"
+				     : [b] "+w"(xmask23)
+				     : [in] "r"(mbuf3)
+				     : "memory");
+			xmask01 = vshlq_n_u64(xmask01, 20);
+			xmask23 = vshlq_n_u64(xmask23, 20);
+
+			senddesc01_w0 = vorrq_u64(senddesc01_w0, xmask01);
+			senddesc23_w0 = vorrq_u64(senddesc23_w0, xmask23);
+
+			/* Create 4W cmd for 4 mbufs (sendhdr, sgdesc) */
+			cmd00 = vzip1q_u64(senddesc01_w0, senddesc01_w1);
+			cmd01 = vzip1q_u64(sgdesc01_w0, sgdesc01_w1);
+			cmd10 = vzip2q_u64(senddesc01_w0, senddesc01_w1);
+			cmd11 = vzip2q_u64(sgdesc01_w0, sgdesc01_w1);
+			cmd20 = vzip1q_u64(senddesc23_w0, senddesc23_w1);
+			cmd21 = vzip1q_u64(sgdesc23_w0, sgdesc23_w1);
+			cmd30 = vzip2q_u64(senddesc23_w0, senddesc23_w1);
+			cmd31 = vzip2q_u64(sgdesc23_w0, sgdesc23_w1);
+		}
+
+		/* Store the prepared send desc to LMT lines */
+		vst1q_u64((void *)lmt_addr, cmd00);
+		vst1q_u64((void *)(lmt_addr + 16), cmd01);
+		lmt_addr += (1ULL << ROC_LMT_LINE_SIZE_LOG2);
+
+		vst1q_u64((void *)lmt_addr, cmd10);
+		vst1q_u64((void *)(lmt_addr + 16), cmd11);
+		lmt_addr += (1ULL << ROC_LMT_LINE_SIZE_LOG2);
+
+		vst1q_u64((void *)lmt_addr, cmd20);
+		vst1q_u64((void *)(lmt_addr + 16), cmd21);
+		lmt_addr += (1ULL << ROC_LMT_LINE_SIZE_LOG2);
+
+		vst1q_u64((void *)lmt_addr, cmd30);
+		vst1q_u64((void *)(lmt_addr + 16), cmd31);
+		lmt_addr += (1ULL << ROC_LMT_LINE_SIZE_LOG2);
+
+		tx_pkts = tx_pkts + NIX_DESCS_PER_LOOP;
+	}
+
+	/* Trigger LMTST */
+	if (burst > 16) {
+		data = cn10k_nix_tx_steor_data(flags);
+		pa = io_addr | (data & 0x7) << 4;
+		data &= ~0x7ULL;
+		data |= (15ULL << 12);
+		data |= (uint64_t)lmt_id;
+
+		/* STEOR0 */
+		roc_lmt_submit_steorl(data, pa);
+
+		data = cn10k_nix_tx_steor_data(flags);
+		pa = io_addr | (data & 0x7) << 4;
+		data &= ~0x7ULL;
+		data |= ((uint64_t)(burst - 17)) << 12;
+		data |= (uint64_t)(lmt_id + 16);
+
+		/* STEOR1 */
+		roc_lmt_submit_steorl(data, pa);
+	} else if (burst) {
+		data = cn10k_nix_tx_steor_data(flags);
+		pa = io_addr | (data & 0x7) << 4;
+		data &= ~0x7ULL;
+		data |= ((uint64_t)(burst - 1)) << 12;
+		data |= lmt_id;
+
+		/* STEOR0 */
+		roc_lmt_submit_steorl(data, pa);
+	}
+
+	left -= burst;
+	rte_io_wmb();
+	if (left) {
+		/* Reset lmt base addr to start another burst */
+		lmt_addr -= (1ULL << ROC_LMT_LINE_SIZE_LOG2);
+		lmt_addr &= (~(BIT_ULL(ROC_LMT_BASE_PER_CORE_LOG2) - 1));
+		goto again;
+	}
+
+	if (unlikely(scalar))
+		pkts += cn10k_nix_xmit_pkts(tx_queue, tx_pkts, scalar, cmd,
+					    flags);
+
+	return pkts;
+}
+
+#else
+static __rte_always_inline uint16_t
+cn10k_nix_xmit_pkts_vector(void *tx_queue, struct rte_mbuf **tx_pkts,
+			   uint16_t pkts, uint64_t *cmd, const uint16_t flags)
+{
+	RTE_SET_USED(tx_queue);
+	RTE_SET_USED(tx_pkts);
+	RTE_SET_USED(pkts);
+	RTE_SET_USED(cmd);
+	RTE_SET_USED(flags);
+	return 0;
+}
+#endif
+
 #define L3L4CSUM_F   NIX_TX_OFFLOAD_L3_L4_CSUM_F
 #define OL3OL4CSUM_F NIX_TX_OFFLOAD_OL3_OL4_CSUM_F
 #define VLAN_F	     NIX_TX_OFFLOAD_VLAN_QINQ_F
@@ -656,6 +1612,9 @@ T(tso_noff_vlan_ol3ol4csum_l3l4csum,	1, 1, 1, 1, 1,	6,		\
 		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);     \
 									       \
 	uint16_t __rte_noinline __rte_hot cn10k_nix_xmit_pkts_mseg_##name(     \
+		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);     \
+									       \
+	uint16_t __rte_noinline __rte_hot cn10k_nix_xmit_pkts_vec_##name(      \
 		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);
 
 NIX_TX_FASTPATH_MODES
diff --git a/drivers/net/cnxk/cn10k_tx_vec.c b/drivers/net/cnxk/cn10k_tx_vec.c
new file mode 100644
index 0000000..42baeb5
--- /dev/null
+++ b/drivers/net/cnxk/cn10k_tx_vec.c
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#include "cn10k_ethdev.h"
+#include "cn10k_tx.h"
+
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				       \
+	uint16_t __rte_noinline __rte_hot				       \
+		cn10k_nix_xmit_pkts_vec_##name(void *tx_queue,                 \
+					       struct rte_mbuf **tx_pkts,      \
+					       uint16_t pkts)                  \
+	{                                                                      \
+		uint64_t cmd[sz];                                              \
+									       \
+		/* VLAN, TSTMP, TSO is not supported by vec */                 \
+		if ((flags) & NIX_TX_OFFLOAD_VLAN_QINQ_F ||		       \
+		    (flags) & NIX_TX_OFFLOAD_TSO_F)			       \
+			return 0;                                              \
+		return cn10k_nix_xmit_pkts_vector(tx_queue, tx_pkts, pkts, cmd,\
+						  (flags));                    \
+	}
+
+NIX_TX_FASTPATH_MODES
+#undef T
diff --git a/drivers/net/cnxk/meson.build b/drivers/net/cnxk/meson.build
index f04e2d7..748a49a 100644
--- a/drivers/net/cnxk/meson.build
+++ b/drivers/net/cnxk/meson.build
@@ -28,7 +28,8 @@ sources += files('cn10k_ethdev.c',
 		 'cn10k_rx_mseg.c',
 		 'cn10k_rx_vec.c',
 		 'cn10k_tx.c',
-		 'cn10k_tx_mseg.c')
+		 'cn10k_tx_mseg.c',
+		 'cn10k_tx_vec.c')
 
 deps += ['bus_pci', 'cryptodev', 'eventdev', 'security']
 deps += ['common_cnxk', 'mempool_cnxk']
-- 
2.8.4