/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(C) 2021 Marvell.
 */
#ifndef __CN9K_TX_H__
#define __CN9K_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)
#define NIX_TX_OFFLOAD_VLAN_QINQ_F    BIT(2)
#define NIX_TX_OFFLOAD_MBUF_NOFF_F    BIT(3)
#define NIX_TX_OFFLOAD_TSO_F	      BIT(4)
#define NIX_TX_OFFLOAD_TSTAMP_F	      BIT(5)
#define NIX_TX_OFFLOAD_SECURITY_F     BIT(6)
#define NIX_TX_OFFLOAD_MAX	      (NIX_TX_OFFLOAD_SECURITY_F << 1)

/* Flags to control xmit_prepare function.
 * Defining it from backwards to denote its been
 * not used as offload flags to pick function
 */
#define NIX_TX_MULTI_SEG_F BIT(15)

#define NIX_TX_NEED_SEND_HDR_W1                                                \
	(NIX_TX_OFFLOAD_L3_L4_CSUM_F | NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |         \
	 NIX_TX_OFFLOAD_VLAN_QINQ_F | NIX_TX_OFFLOAD_TSO_F)

#define NIX_TX_NEED_EXT_HDR                                                    \
	(NIX_TX_OFFLOAD_VLAN_QINQ_F | NIX_TX_OFFLOAD_TSTAMP_F |                \
	 NIX_TX_OFFLOAD_TSO_F)

#define NIX_XMIT_FC_OR_RETURN(txq, pkts)                                       \
	do {                                                                   \
		/* Cached value is low, Update the fc_cache_pkts */            \
		if (unlikely((txq)->fc_cache_pkts < (pkts))) {                 \
			/* Multiply with sqe_per_sqb to express in pkts */     \
			(txq)->fc_cache_pkts =                                 \
				((txq)->nb_sqb_bufs_adj - *(txq)->fc_mem)      \
				<< (txq)->sqes_per_sqb_log2;                   \
			/* Check it again for the room */                      \
			if (unlikely((txq)->fc_cache_pkts < (pkts)))           \
				return 0;                                      \
		}                                                              \
	} while (0)

/* Function to determine no of tx subdesc required in case ext
 * sub desc is enabled.
 */
static __rte_always_inline int
cn9k_nix_tx_ext_subs(const uint16_t flags)
{
	return (flags & NIX_TX_OFFLOAD_TSTAMP_F)
		       ? 2
		       : ((flags &
			   (NIX_TX_OFFLOAD_VLAN_QINQ_F | NIX_TX_OFFLOAD_TSO_F))
				  ? 1
				  : 0);
}

static __rte_always_inline void
cn9k_nix_tx_skeleton(struct cn9k_eth_txq *txq, uint64_t *cmd,
		     const uint16_t flags, const uint16_t static_sz)
{
	if (static_sz)
		cmd[0] = txq->send_hdr_w0;
	else
		cmd[0] = (txq->send_hdr_w0 & 0xFFFFF00000000000) |
			 ((uint64_t)(cn9k_nix_tx_ext_subs(flags) + 1) << 40);
	cmd[1] = 0;

	if (flags & NIX_TX_NEED_EXT_HDR) {
		if (flags & NIX_TX_OFFLOAD_TSTAMP_F)
			cmd[2] = (NIX_SUBDC_EXT << 60) | BIT_ULL(15);
		else
			cmd[2] = NIX_SUBDC_EXT << 60;
		cmd[3] = 0;
		cmd[4] = (NIX_SUBDC_SG << 60) | BIT_ULL(48);
	} else {
		cmd[2] = (NIX_SUBDC_SG << 60) | BIT_ULL(48);
	}
}

static __rte_always_inline void
cn9k_nix_xmit_prepare_tso(struct rte_mbuf *m, const uint64_t flags)
{
	uint64_t mask, ol_flags = m->ol_flags;

	if (flags & NIX_TX_OFFLOAD_TSO_F && (ol_flags & RTE_MBUF_F_TX_TCP_SEG)) {
		uintptr_t mdata = rte_pktmbuf_mtod(m, uintptr_t);
		uint16_t *iplen, *oiplen, *oudplen;
		uint16_t lso_sb, paylen;

		mask = -!!(ol_flags & (RTE_MBUF_F_TX_OUTER_IPV4 | RTE_MBUF_F_TX_OUTER_IPV6));
		lso_sb = (mask & (m->outer_l2_len + m->outer_l3_len)) +
			 m->l2_len + m->l3_len + m->l4_len;

		/* Reduce payload len from base headers */
		paylen = m->pkt_len - lso_sb;

		/* Get iplen position assuming no tunnel hdr */
		iplen = (uint16_t *)(mdata + m->l2_len +
				     (2 << !!(ol_flags & RTE_MBUF_F_TX_IPV6)));
		/* Handle tunnel tso */
		if ((flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
		    (ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK)) {
			const uint8_t is_udp_tun =
				(CNXK_NIX_UDP_TUN_BITMASK >>
				 ((ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) >> 45)) &
				0x1;

			oiplen = (uint16_t *)(mdata + m->outer_l2_len +
					      (2 << !!(ol_flags &
						       RTE_MBUF_F_TX_OUTER_IPV6)));
			*oiplen = rte_cpu_to_be_16(rte_be_to_cpu_16(*oiplen) -
						   paylen);

			/* Update format for UDP tunneled packet */
			if (is_udp_tun) {
				oudplen = (uint16_t *)(mdata + m->outer_l2_len +
						       m->outer_l3_len + 4);
				*oudplen = rte_cpu_to_be_16(
					rte_be_to_cpu_16(*oudplen) - paylen);
			}

			/* Update iplen position to inner ip hdr */
			iplen = (uint16_t *)(mdata + lso_sb - m->l3_len -
					     m->l4_len +
					     (2 << !!(ol_flags & RTE_MBUF_F_TX_IPV6)));
		}

		*iplen = rte_cpu_to_be_16(rte_be_to_cpu_16(*iplen) - paylen);
	}
}

static __rte_always_inline void
cn9k_nix_xmit_prepare(struct rte_mbuf *m, uint64_t *cmd, const uint16_t flags,
		      const uint64_t lso_tun_fmt, uint8_t mark_flag,
		      uint64_t mark_fmt)
{
	uint8_t mark_off = 0, mark_vlan = 0, markptr = 0;
	struct nix_send_ext_s *send_hdr_ext;
	struct nix_send_hdr_s *send_hdr;
	uint64_t ol_flags = 0, mask;
	union nix_send_hdr_w1_u w1;
	union nix_send_sg_s *sg;
	uint16_t mark_form = 0;

	send_hdr = (struct nix_send_hdr_s *)cmd;
	if (flags & NIX_TX_NEED_EXT_HDR) {
		send_hdr_ext = (struct nix_send_ext_s *)(cmd + 2);
		sg = (union nix_send_sg_s *)(cmd + 4);
		/* Clear previous markings */
		send_hdr_ext->w0.lso = 0;
		send_hdr_ext->w0.mark_en = 0;
		send_hdr_ext->w1.u = 0;
		ol_flags = m->ol_flags;
	} else {
		sg = (union nix_send_sg_s *)(cmd + 2);
	}

	if (flags & NIX_TX_NEED_SEND_HDR_W1) {
		ol_flags = m->ol_flags;
		w1.u = 0;
	}

	if (!(flags & NIX_TX_MULTI_SEG_F))
		send_hdr->w0.total = m->data_len;
	else
		send_hdr->w0.total = m->pkt_len;
	send_hdr->w0.aura = roc_npa_aura_handle_to_aura(m->pool->pool_id);

	/*
	 * L3type:  2 => IPV4
	 *          3 => IPV4 with csum
	 *          4 => IPV6
	 * L3type and L3ptr needs to be set for either
	 * L3 csum or L4 csum or LSO
	 *
	 */

	if ((flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
	    (flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F)) {
		const uint8_t csum = !!(ol_flags & RTE_MBUF_F_TX_OUTER_UDP_CKSUM);
		const uint8_t ol3type =
			((!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV4)) << 1) +
			((!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV6)) << 2) +
			!!(ol_flags & RTE_MBUF_F_TX_OUTER_IP_CKSUM);

		/* Outer L3 */
		w1.ol3type = ol3type;
		mask = 0xffffull << ((!!ol3type) << 4);
		w1.ol3ptr = ~mask & m->outer_l2_len;
		w1.ol4ptr = ~mask & (w1.ol3ptr + m->outer_l3_len);

		/* Outer L4 */
		w1.ol4type = csum + (csum << 1);

		/* Inner L3 */
		w1.il3type = ((!!(ol_flags & RTE_MBUF_F_TX_IPV4)) << 1) +
			     ((!!(ol_flags & RTE_MBUF_F_TX_IPV6)) << 2);
		w1.il3ptr = w1.ol4ptr + m->l2_len;
		w1.il4ptr = w1.il3ptr + m->l3_len;
		/* Increment it by 1 if it is IPV4 as 3 is with csum */
		w1.il3type = w1.il3type + !!(ol_flags & RTE_MBUF_F_TX_IP_CKSUM);

		/* Inner L4 */
		w1.il4type = (ol_flags & RTE_MBUF_F_TX_L4_MASK) >> 52;

		/* In case of no tunnel header use only
		 * shift IL3/IL4 fields a bit to use
		 * OL3/OL4 for header checksum
		 */
		mask = !ol3type;
		w1.u = ((w1.u & 0xFFFFFFFF00000000) >> (mask << 3)) |
		       ((w1.u & 0X00000000FFFFFFFF) >> (mask << 4));

	} else if (flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) {
		const uint8_t csum = !!(ol_flags & RTE_MBUF_F_TX_OUTER_UDP_CKSUM);
		const uint8_t outer_l2_len = m->outer_l2_len;

		/* Outer L3 */
		w1.ol3ptr = outer_l2_len;
		w1.ol4ptr = outer_l2_len + m->outer_l3_len;
		/* Increment it by 1 if it is IPV4 as 3 is with csum */
		w1.ol3type = ((!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV4)) << 1) +
			     ((!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV6)) << 2) +
			     !!(ol_flags & RTE_MBUF_F_TX_OUTER_IP_CKSUM);

		/* Outer L4 */
		w1.ol4type = csum + (csum << 1);

	} else if (flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F) {
		const uint8_t l2_len = m->l2_len;

		/* Always use OLXPTR and OLXTYPE when only
		 * when one header is present
		 */

		/* Inner L3 */
		w1.ol3ptr = l2_len;
		w1.ol4ptr = l2_len + m->l3_len;
		/* Increment it by 1 if it is IPV4 as 3 is with csum */
		w1.ol3type = ((!!(ol_flags & RTE_MBUF_F_TX_IPV4)) << 1) +
			     ((!!(ol_flags & RTE_MBUF_F_TX_IPV6)) << 2) +
			     !!(ol_flags & RTE_MBUF_F_TX_IP_CKSUM);

		/* Inner L4 */
		w1.ol4type = (ol_flags & RTE_MBUF_F_TX_L4_MASK) >> 52;
	}

	if (flags & NIX_TX_NEED_EXT_HDR && flags & NIX_TX_OFFLOAD_VLAN_QINQ_F) {
		const uint8_t ipv6 = !!(ol_flags & RTE_MBUF_F_TX_IPV6);
		const uint8_t ip = !!(ol_flags & (RTE_MBUF_F_TX_IPV4 |
						  RTE_MBUF_F_TX_IPV6));

		send_hdr_ext->w1.vlan1_ins_ena = !!(ol_flags & RTE_MBUF_F_TX_VLAN);
		/* HW will update ptr after vlan0 update */
		send_hdr_ext->w1.vlan1_ins_ptr = 12;
		send_hdr_ext->w1.vlan1_ins_tci = m->vlan_tci;

		send_hdr_ext->w1.vlan0_ins_ena = !!(ol_flags & RTE_MBUF_F_TX_QINQ);
		/* 2B before end of l2 header */
		send_hdr_ext->w1.vlan0_ins_ptr = 12;
		send_hdr_ext->w1.vlan0_ins_tci = m->vlan_tci_outer;
		/* Fill for VLAN marking only when VLAN insertion enabled */
		mark_vlan = ((mark_flag & CNXK_TM_MARK_VLAN_DEI) &
			     (send_hdr_ext->w1.vlan1_ins_ena ||
			      send_hdr_ext->w1.vlan0_ins_ena));
		/* Mask requested flags with packet data information */
		mark_off = mark_flag & ((ip << 2) | (ip << 1) | mark_vlan);
		mark_off = ffs(mark_off & CNXK_TM_MARK_MASK);

		mark_form = (mark_fmt >> ((mark_off - !!mark_off) << 4));
		mark_form = (mark_form >> (ipv6 << 3)) & 0xFF;
		markptr = m->l2_len + (mark_form >> 7) - (mark_vlan << 2);

		send_hdr_ext->w0.mark_en = !!mark_off;
		send_hdr_ext->w0.markform = mark_form & 0x7F;
		send_hdr_ext->w0.markptr = markptr;
	}

	if (flags & NIX_TX_OFFLOAD_TSO_F && (ol_flags & RTE_MBUF_F_TX_TCP_SEG)) {
		uint16_t lso_sb;
		uint64_t mask;

		mask = -(!w1.il3type);
		lso_sb = (mask & w1.ol4ptr) + (~mask & w1.il4ptr) + m->l4_len;

		send_hdr_ext->w0.lso_sb = lso_sb;
		send_hdr_ext->w0.lso = 1;
		send_hdr_ext->w0.lso_mps = m->tso_segsz;
		send_hdr_ext->w0.lso_format =
			NIX_LSO_FORMAT_IDX_TSOV4 + !!(ol_flags & RTE_MBUF_F_TX_IPV6);
		w1.ol4type = NIX_SENDL4TYPE_TCP_CKSUM;

		/* Handle tunnel tso */
		if ((flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
		    (ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK)) {
			const uint8_t is_udp_tun =
				(CNXK_NIX_UDP_TUN_BITMASK >>
				 ((ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) >> 45)) &
				0x1;
			uint8_t shift = is_udp_tun ? 32 : 0;

			shift += (!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV6) << 4);
			shift += (!!(ol_flags & RTE_MBUF_F_TX_IPV6) << 3);

			w1.il4type = NIX_SENDL4TYPE_TCP_CKSUM;
			w1.ol4type = is_udp_tun ? NIX_SENDL4TYPE_UDP_CKSUM : 0;
			/* Update format for UDP tunneled packet */
			send_hdr_ext->w0.lso_format = (lso_tun_fmt >> shift);
		}
	}

	if (flags & NIX_TX_NEED_SEND_HDR_W1)
		send_hdr->w1.u = w1.u;

	if (!(flags & NIX_TX_MULTI_SEG_F)) {
		sg->seg1_size = m->data_len;
		*(rte_iova_t *)(++sg) = rte_mbuf_data_iova(m);

		if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
			/* DF bit = 1 if refcount of current mbuf or parent mbuf
			 *		is greater than 1
			 * DF bit = 0 otherwise
			 */
			send_hdr->w0.df = cnxk_nix_prefree_seg(m);
			/* Ensuring mbuf fields which got updated in
			 * cnxk_nix_prefree_seg are written before LMTST.
			 */
			rte_io_wmb();
		}
		/* Mark mempool object as "put" since it is freed by NIX */
		if (!send_hdr->w0.df)
			RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
	} else {
		sg->seg1_size = m->data_len;
		*(rte_iova_t *)(sg + 1) = rte_mbuf_data_iova(m);

		/* NOFF is handled later for multi-seg */
	}
}

static __rte_always_inline void
cn9k_nix_xmit_prepare_tstamp(struct cn9k_eth_txq *txq, uint64_t *cmd,
			     const uint64_t ol_flags, const uint16_t no_segdw,
			     const uint16_t flags)
{
	if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
		struct nix_send_mem_s *send_mem;
		uint16_t off = (no_segdw - 1) << 1;
		const uint8_t is_ol_tstamp =
			!(ol_flags & RTE_MBUF_F_TX_IEEE1588_TMST);

		send_mem = (struct nix_send_mem_s *)(cmd + off);

		/* Packets for which PKT_TX_IEEE1588_TMST is not set, tx tstamp
		 * should not be recorded, hence changing the alg type to
		 * NIX_SENDMEMALG_SUB and also changing send mem addr field to
		 * next 8 bytes as it corrupts the actual Tx tstamp registered
		 * address.
		 */
		send_mem->w0.cn9k.subdc = NIX_SUBDC_MEM;
		send_mem->w0.cn9k.alg =
			NIX_SENDMEMALG_SETTSTMP + (is_ol_tstamp << 3);

		send_mem->addr = (rte_iova_t)(((uint64_t *)txq->ts_mem) +
				(is_ol_tstamp));
	}
}

static __rte_always_inline void
cn9k_nix_xmit_one(uint64_t *cmd, void *lmt_addr, const rte_iova_t io_addr,
		  const uint32_t flags)
{
	uint64_t lmt_status;

	do {
		roc_lmt_mov(lmt_addr, cmd, cn9k_nix_tx_ext_subs(flags));
		lmt_status = roc_lmt_submit_ldeor(io_addr);
	} while (lmt_status == 0);
}

static __rte_always_inline void
cn9k_nix_xmit_prep_lmt(uint64_t *cmd, void *lmt_addr, const uint32_t flags)
{
	roc_lmt_mov(lmt_addr, cmd, cn9k_nix_tx_ext_subs(flags));
}

static __rte_always_inline uint64_t
cn9k_nix_xmit_submit_lmt(const rte_iova_t io_addr)
{
	return roc_lmt_submit_ldeor(io_addr);
}

static __rte_always_inline uint64_t
cn9k_nix_xmit_submit_lmt_release(const rte_iova_t io_addr)
{
	return roc_lmt_submit_ldeorl(io_addr);
}

static __rte_always_inline uint16_t
cn9k_nix_prepare_mseg(struct rte_mbuf *m, uint64_t *cmd, const uint16_t flags)
{
	struct nix_send_hdr_s *send_hdr;
	union nix_send_sg_s *sg;
	struct rte_mbuf *m_next;
	uint64_t *slist, sg_u;
	uint64_t nb_segs;
	uint64_t segdw;
	uint8_t off, i;

	send_hdr = (struct nix_send_hdr_s *)cmd;

	if (flags & NIX_TX_NEED_EXT_HDR)
		off = 2;
	else
		off = 0;

	sg = (union nix_send_sg_s *)&cmd[2 + off];

	/* Start from second segment, first segment is already there */
	i = 1;
	sg_u = sg->u;
	nb_segs = m->nb_segs - 1;
	m_next = m->next;
	slist = &cmd[3 + off + 1];

	/* Set invert df if buffer is not to be freed by H/W */
	if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
		sg_u |= (cnxk_nix_prefree_seg(m) << 55);
		rte_io_wmb();
	}

	/* Mark mempool object as "put" since it is freed by NIX */
#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
	if (!(sg_u & (1ULL << 55)))
		RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
	rte_io_wmb();
#endif
	m = m_next;
	if (!m)
		goto done;

	/* Fill mbuf segments */
	do {
		m_next = m->next;
		sg_u = sg_u | ((uint64_t)m->data_len << (i << 4));
		*slist = rte_mbuf_data_iova(m);
		/* Set invert df if buffer is not to be freed by H/W */
		if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
			sg_u |= (cnxk_nix_prefree_seg(m) << (i + 55));
			/* Commit changes to mbuf */
			rte_io_wmb();
		}
		/* Mark mempool object as "put" since it is freed by NIX */
#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
		if (!(sg_u & (1ULL << (i + 55))))
			RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
		rte_io_wmb();
#endif
		slist++;
		i++;
		nb_segs--;
		if (i > 2 && nb_segs) {
			i = 0;
			/* Next SG subdesc */
			*(uint64_t *)slist = sg_u & 0xFC00000000000000;
			sg->u = sg_u;
			sg->segs = 3;
			sg = (union nix_send_sg_s *)slist;
			sg_u = sg->u;
			slist++;
		}
		m = m_next;
	} while (nb_segs);

done:
	sg->u = sg_u;
	sg->segs = i;
	segdw = (uint64_t *)slist - (uint64_t *)&cmd[2 + off];
	/* Roundup extra dwords to multiple of 2 */
	segdw = (segdw >> 1) + (segdw & 0x1);
	/* Default dwords */
	segdw += (off >> 1) + 1 + !!(flags & NIX_TX_OFFLOAD_TSTAMP_F);
	send_hdr->w0.sizem1 = segdw - 1;

	return segdw;
}

static __rte_always_inline void
cn9k_nix_xmit_mseg_prep_lmt(uint64_t *cmd, void *lmt_addr, uint16_t segdw)
{
	roc_lmt_mov_seg(lmt_addr, (const void *)cmd, segdw);
}

static __rte_always_inline void
cn9k_nix_xmit_mseg_one(uint64_t *cmd, void *lmt_addr, rte_iova_t io_addr,
		       uint16_t segdw)
{
	uint64_t lmt_status;

	do {
		roc_lmt_mov_seg(lmt_addr, (const void *)cmd, segdw);
		lmt_status = roc_lmt_submit_ldeor(io_addr);
	} while (lmt_status == 0);
}

static __rte_always_inline void
cn9k_nix_xmit_mseg_one_release(uint64_t *cmd, void *lmt_addr,
			       rte_iova_t io_addr, uint16_t segdw)
{
	uint64_t lmt_status;

	rte_io_wmb();
	do {
		roc_lmt_mov_seg(lmt_addr, (const void *)cmd, segdw);
		lmt_status = roc_lmt_submit_ldeor(io_addr);
	} while (lmt_status == 0);
}

static __rte_always_inline uint16_t
cn9k_nix_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts,
		   uint64_t *cmd, const uint16_t flags)
{
	struct cn9k_eth_txq *txq = tx_queue;
	const rte_iova_t io_addr = txq->io_addr;
	uint64_t lso_tun_fmt = 0, mark_fmt = 0;
	void *lmt_addr = txq->lmt_addr;
	uint8_t mark_flag = 0;
	uint16_t i;

	NIX_XMIT_FC_OR_RETURN(txq, pkts);

	cn9k_nix_tx_skeleton(txq, cmd, flags, 1);

	/* Perform header writes before barrier for TSO */
	if (flags & NIX_TX_OFFLOAD_TSO_F) {
		lso_tun_fmt = txq->lso_tun_fmt;

		for (i = 0; i < pkts; i++)
			cn9k_nix_xmit_prepare_tso(tx_pkts[i], flags);
	}

	if (flags & NIX_TX_OFFLOAD_VLAN_QINQ_F) {
		mark_fmt = txq->mark_fmt;
		mark_flag = txq->mark_flag;
	}

	/* Lets commit any changes in the packet here as no further changes
	 * to the packet will be done unless no fast free is enabled.
	 */
	if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F))
		rte_io_wmb();

	for (i = 0; i < pkts; i++) {
		cn9k_nix_xmit_prepare(tx_pkts[i], cmd, flags, lso_tun_fmt,
				      mark_flag, mark_fmt);
		cn9k_nix_xmit_prepare_tstamp(txq, cmd, tx_pkts[i]->ol_flags, 4,
					     flags);
		cn9k_nix_xmit_one(cmd, lmt_addr, io_addr, flags);
	}

	/* Reduce the cached count */
	txq->fc_cache_pkts -= pkts;

	return pkts;
}

static __rte_always_inline uint16_t
cn9k_nix_xmit_pkts_mseg(void *tx_queue, struct rte_mbuf **tx_pkts,
			uint16_t pkts, uint64_t *cmd, const uint16_t flags)
{
	struct cn9k_eth_txq *txq = tx_queue;
	const rte_iova_t io_addr = txq->io_addr;
	uint64_t lso_tun_fmt = 0, mark_fmt = 0;
	void *lmt_addr = txq->lmt_addr;
	uint8_t mark_flag = 0;
	uint16_t segdw;
	uint64_t i;

	NIX_XMIT_FC_OR_RETURN(txq, pkts);

	cn9k_nix_tx_skeleton(txq, cmd, flags, 1);

	/* Perform header writes before barrier for TSO */
	if (flags & NIX_TX_OFFLOAD_TSO_F) {
		lso_tun_fmt = txq->lso_tun_fmt;

		for (i = 0; i < pkts; i++)
			cn9k_nix_xmit_prepare_tso(tx_pkts[i], flags);
	}

	if (flags & NIX_TX_OFFLOAD_VLAN_QINQ_F) {
		mark_fmt = txq->mark_fmt;
		mark_flag = txq->mark_flag;
	}

	/* Lets commit any changes in the packet here as no further changes
	 * to the packet will be done unless no fast free is enabled.
	 */
	if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F))
		rte_io_wmb();

	for (i = 0; i < pkts; i++) {
		cn9k_nix_xmit_prepare(tx_pkts[i], cmd, flags, lso_tun_fmt,
				      mark_flag, mark_fmt);
		segdw = cn9k_nix_prepare_mseg(tx_pkts[i], cmd, flags);
		cn9k_nix_xmit_prepare_tstamp(txq, cmd, tx_pkts[i]->ol_flags,
					     segdw, flags);
		cn9k_nix_xmit_mseg_one(cmd, lmt_addr, io_addr, segdw);
	}

	/* Reduce the cached count */
	txq->fc_cache_pkts -= pkts;

	return pkts;
}

#if defined(RTE_ARCH_ARM64)

static __rte_always_inline void
cn9k_nix_prepare_tso(struct rte_mbuf *m, union nix_send_hdr_w1_u *w1,
		     union nix_send_ext_w0_u *w0, uint64_t ol_flags,
		     uint64_t flags)
{
	uint16_t lso_sb;
	uint64_t mask;

	if (!(ol_flags & RTE_MBUF_F_TX_TCP_SEG))
		return;

	mask = -(!w1->il3type);
	lso_sb = (mask & w1->ol4ptr) + (~mask & w1->il4ptr) + m->l4_len;

	w0->u |= BIT(14);
	w0->lso_sb = lso_sb;
	w0->lso_mps = m->tso_segsz;
	w0->lso_format = NIX_LSO_FORMAT_IDX_TSOV4 + !!(ol_flags & RTE_MBUF_F_TX_IPV6);
	w1->ol4type = NIX_SENDL4TYPE_TCP_CKSUM;

	/* Handle tunnel tso */
	if ((flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
	    (ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK)) {
		const uint8_t is_udp_tun =
			(CNXK_NIX_UDP_TUN_BITMASK >>
			 ((ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) >> 45)) &
			0x1;

		w1->il4type = NIX_SENDL4TYPE_TCP_CKSUM;
		w1->ol4type = is_udp_tun ? NIX_SENDL4TYPE_UDP_CKSUM : 0;
		/* Update format for UDP tunneled packet */
		w0->lso_format += is_udp_tun ? 2 : 6;

		w0->lso_format += !!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV6) << 1;
	}
}

static __rte_always_inline uint8_t
cn9k_nix_prepare_mseg_vec_list(struct rte_mbuf *m, uint64_t *cmd,
			       union nix_send_hdr_w0_u *sh,
			       union nix_send_sg_s *sg, const uint32_t flags)
{
	struct rte_mbuf *m_next;
	uint64_t *slist, sg_u;
	uint16_t nb_segs;
	uint64_t segdw;
	int i = 1;

	sh->total = m->pkt_len;
	/* Clear sg->u header before use */
	sg->u &= 0xFC00000000000000;
	sg_u = sg->u;
	slist = &cmd[0];

	sg_u = sg_u | ((uint64_t)m->data_len);

	nb_segs = m->nb_segs - 1;
	m_next = m->next;

	/* Set invert df if buffer is not to be freed by H/W */
	if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F)
		sg_u |= (cnxk_nix_prefree_seg(m) << 55);
		/* Mark mempool object as "put" since it is freed by NIX */
#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
	if (!(sg_u & (1ULL << 55)))
		RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
	rte_io_wmb();
#endif

	m = m_next;
	/* Fill mbuf segments */
	do {
		m_next = m->next;
		sg_u = sg_u | ((uint64_t)m->data_len << (i << 4));
		*slist = rte_mbuf_data_iova(m);
		/* Set invert df if buffer is not to be freed by H/W */
		if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F)
			sg_u |= (cnxk_nix_prefree_seg(m) << (i + 55));
			/* Mark mempool object as "put" since it is freed by NIX
			 */
#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
		if (!(sg_u & (1ULL << (i + 55))))
			RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
		rte_io_wmb();
#endif
		slist++;
		i++;
		nb_segs--;
		if (i > 2 && nb_segs) {
			i = 0;
			/* Next SG subdesc */
			*(uint64_t *)slist = sg_u & 0xFC00000000000000;
			sg->u = sg_u;
			sg->segs = 3;
			sg = (union nix_send_sg_s *)slist;
			sg_u = sg->u;
			slist++;
		}
		m = m_next;
	} while (nb_segs);

	sg->u = sg_u;
	sg->segs = i;
	segdw = (uint64_t *)slist - (uint64_t *)&cmd[0];

	segdw += 2;
	/* Roundup extra dwords to multiple of 2 */
	segdw = (segdw >> 1) + (segdw & 0x1);
	/* Default dwords */
	segdw += 1 + !!(flags & NIX_TX_NEED_EXT_HDR) +
		 !!(flags & NIX_TX_OFFLOAD_TSTAMP_F);
	sh->sizem1 = segdw - 1;

	return segdw;
}

static __rte_always_inline uint8_t
cn9k_nix_prepare_mseg_vec(struct rte_mbuf *m, uint64_t *cmd, uint64x2_t *cmd0,
			  uint64x2_t *cmd1, const uint32_t flags)
{
	union nix_send_hdr_w0_u sh;
	union nix_send_sg_s sg;
	uint8_t ret;

	if (m->nb_segs == 1) {
		if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
			sg.u = vgetq_lane_u64(cmd1[0], 0);
			sg.u |= (cnxk_nix_prefree_seg(m) << 55);
			cmd1[0] = vsetq_lane_u64(sg.u, cmd1[0], 0);
		}

#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
		sg.u = vgetq_lane_u64(cmd1[0], 0);
		if (!(sg.u & (1ULL << 55)))
			RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
		rte_io_wmb();
#endif
		return 2 + !!(flags & NIX_TX_NEED_EXT_HDR) +
		       !!(flags & NIX_TX_OFFLOAD_TSTAMP_F);
	}

	sh.u = vgetq_lane_u64(cmd0[0], 0);
	sg.u = vgetq_lane_u64(cmd1[0], 0);

	ret = cn9k_nix_prepare_mseg_vec_list(m, cmd, &sh, &sg, flags);

	cmd0[0] = vsetq_lane_u64(sh.u, cmd0[0], 0);
	cmd1[0] = vsetq_lane_u64(sg.u, cmd1[0], 0);
	return ret;
}

#define NIX_DESCS_PER_LOOP 4

static __rte_always_inline void
cn9k_nix_xmit_pkts_mseg_vector(uint64x2_t *cmd0, uint64x2_t *cmd1,
			       uint64x2_t *cmd2, uint64x2_t *cmd3,
			       uint8_t *segdw,
			       uint64_t slist[][CNXK_NIX_TX_MSEG_SG_DWORDS - 2],
			       uint64_t *lmt_addr, rte_iova_t io_addr,
			       const uint32_t flags)
{
	uint64_t lmt_status;
	uint8_t j, off;

	if (!(flags & NIX_TX_NEED_EXT_HDR) &&
	    !(flags & NIX_TX_OFFLOAD_TSTAMP_F)) {
		/* No segments in 4 consecutive packets. */
		if ((segdw[0] + segdw[1] + segdw[2] + segdw[3]) <= 8) {
			do {
				vst1q_u64(lmt_addr, cmd0[0]);
				vst1q_u64(lmt_addr + 2, cmd1[0]);
				vst1q_u64(lmt_addr + 4, cmd0[1]);
				vst1q_u64(lmt_addr + 6, cmd1[1]);
				vst1q_u64(lmt_addr + 8, cmd0[2]);
				vst1q_u64(lmt_addr + 10, cmd1[2]);
				vst1q_u64(lmt_addr + 12, cmd0[3]);
				vst1q_u64(lmt_addr + 14, cmd1[3]);
				lmt_status = roc_lmt_submit_ldeor(io_addr);
			} while (lmt_status == 0);

			return;
		}
	}

	for (j = 0; j < NIX_DESCS_PER_LOOP;) {
		/* Fit consecutive packets in same LMTLINE. */
		if ((segdw[j] + segdw[j + 1]) <= 8) {
again0:
			if ((flags & NIX_TX_NEED_EXT_HDR) &&
			    (flags & NIX_TX_OFFLOAD_TSTAMP_F)) {
				vst1q_u64(lmt_addr, cmd0[j]);
				vst1q_u64(lmt_addr + 2, cmd2[j]);
				vst1q_u64(lmt_addr + 4, cmd1[j]);
				/* Copy segs */
				off = segdw[j] - 4;
				roc_lmt_mov_seg(lmt_addr + 6, slist[j], off);
				off <<= 1;
				vst1q_u64(lmt_addr + 6 + off, cmd3[j]);

				vst1q_u64(lmt_addr + 8 + off, cmd0[j + 1]);
				vst1q_u64(lmt_addr + 10 + off, cmd2[j + 1]);
				vst1q_u64(lmt_addr + 12 + off, cmd1[j + 1]);
				roc_lmt_mov_seg(lmt_addr + 14 + off,
						slist[j + 1], segdw[j + 1] - 4);
				off += ((segdw[j + 1] - 4) << 1);
				vst1q_u64(lmt_addr + 14 + off, cmd3[j + 1]);
			} else if (flags & NIX_TX_NEED_EXT_HDR) {
				vst1q_u64(lmt_addr, cmd0[j]);
				vst1q_u64(lmt_addr + 2, cmd2[j]);
				vst1q_u64(lmt_addr + 4, cmd1[j]);
				/* Copy segs */
				off = segdw[j] - 3;
				roc_lmt_mov_seg(lmt_addr + 6, slist[j], off);
				off <<= 1;
				vst1q_u64(lmt_addr + 6 + off, cmd0[j + 1]);
				vst1q_u64(lmt_addr + 8 + off, cmd2[j + 1]);
				vst1q_u64(lmt_addr + 10 + off, cmd1[j + 1]);
				roc_lmt_mov_seg(lmt_addr + 12 + off,
						slist[j + 1], segdw[j + 1] - 3);
			} else {
				vst1q_u64(lmt_addr, cmd0[j]);
				vst1q_u64(lmt_addr + 2, cmd1[j]);
				/* Copy segs */
				off = segdw[j] - 2;
				roc_lmt_mov_seg(lmt_addr + 4, slist[j], off);
				off <<= 1;
				vst1q_u64(lmt_addr + 4 + off, cmd0[j + 1]);
				vst1q_u64(lmt_addr + 6 + off, cmd1[j + 1]);
				roc_lmt_mov_seg(lmt_addr + 8 + off,
						slist[j + 1], segdw[j + 1] - 2);
			}
			lmt_status = roc_lmt_submit_ldeor(io_addr);
			if (lmt_status == 0)
				goto again0;
			j += 2;
		} else {
again1:
			if ((flags & NIX_TX_NEED_EXT_HDR) &&
			    (flags & NIX_TX_OFFLOAD_TSTAMP_F)) {
				vst1q_u64(lmt_addr, cmd0[j]);
				vst1q_u64(lmt_addr + 2, cmd2[j]);
				vst1q_u64(lmt_addr + 4, cmd1[j]);
				/* Copy segs */
				off = segdw[j] - 4;
				roc_lmt_mov_seg(lmt_addr + 6, slist[j], off);
				off <<= 1;
				vst1q_u64(lmt_addr + 6 + off, cmd3[j]);
			} else if (flags & NIX_TX_NEED_EXT_HDR) {
				vst1q_u64(lmt_addr, cmd0[j]);
				vst1q_u64(lmt_addr + 2, cmd2[j]);
				vst1q_u64(lmt_addr + 4, cmd1[j]);
				/* Copy segs */
				off = segdw[j] - 3;
				roc_lmt_mov_seg(lmt_addr + 6, slist[j], off);
			} else {
				vst1q_u64(lmt_addr, cmd0[j]);
				vst1q_u64(lmt_addr + 2, cmd1[j]);
				/* Copy segs */
				off = segdw[j] - 2;
				roc_lmt_mov_seg(lmt_addr + 4, slist[j], off);
			}
			lmt_status = roc_lmt_submit_ldeor(io_addr);
			if (lmt_status == 0)
				goto again1;
			j += 1;
		}
	}
}

static __rte_always_inline uint16_t
cn9k_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;
	uint64x2_t cmd0[NIX_DESCS_PER_LOOP], cmd1[NIX_DESCS_PER_LOOP],
		cmd2[NIX_DESCS_PER_LOOP], cmd3[NIX_DESCS_PER_LOOP];
	uint64_t *mbuf0, *mbuf1, *mbuf2, *mbuf3;
	uint64x2_t senddesc01_w0, senddesc23_w0;
	uint64x2_t senddesc01_w1, senddesc23_w1;
	uint64x2_t sendext01_w0, sendext23_w0;
	uint64x2_t sendext01_w1, sendext23_w1;
	uint64x2_t sendmem01_w0, sendmem23_w0;
	uint64x2_t sendmem01_w1, sendmem23_w1;
	uint64x2_t sgdesc01_w0, sgdesc23_w0;
	uint64x2_t sgdesc01_w1, sgdesc23_w1;
	struct cn9k_eth_txq *txq = tx_queue;
	uint64_t *lmt_addr = txq->lmt_addr;
	rte_iova_t io_addr = txq->io_addr;
	uint64x2_t ltypes01, ltypes23;
	uint64x2_t xtmp128, ytmp128;
	uint64x2_t xmask01, xmask23;
	uint64_t lmt_status, i;
	uint16_t pkts_left;

	NIX_XMIT_FC_OR_RETURN(txq, pkts);

	pkts_left = pkts & (NIX_DESCS_PER_LOOP - 1);
	pkts = RTE_ALIGN_FLOOR(pkts, NIX_DESCS_PER_LOOP);

	/* Reduce the cached count */
	txq->fc_cache_pkts -= pkts;

	/* Perform header writes before barrier for TSO */
	if (flags & NIX_TX_OFFLOAD_TSO_F) {
		for (i = 0; i < pkts; i++)
			cn9k_nix_xmit_prepare_tso(tx_pkts[i], flags);
	}

	/* Lets commit any changes in the packet here as no further changes
	 * to the packet will be done unless no fast free is enabled.
	 */
	if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F))
		rte_io_wmb();

	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 = vdupq_n_u64((NIX_SUBDC_SG << 60) | BIT_ULL(48));
	sgdesc23_w0 = sgdesc01_w0;

	if (flags & NIX_TX_NEED_EXT_HDR) {
		if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
			sendext01_w0 = vdupq_n_u64((NIX_SUBDC_EXT << 60) |
						   BIT_ULL(15));
			sendmem01_w0 =
				vdupq_n_u64((NIX_SUBDC_MEM << 60) |
					    (NIX_SENDMEMALG_SETTSTMP << 56));
			sendmem23_w0 = sendmem01_w0;
			sendmem01_w1 = vdupq_n_u64(txq->ts_mem);
			sendmem23_w1 = sendmem01_w1;
		} else {
			sendext01_w0 = vdupq_n_u64((NIX_SUBDC_EXT << 60));
		}
		sendext23_w0 = sendext01_w0;

		if (flags & NIX_TX_OFFLOAD_VLAN_QINQ_F)
			sendext01_w1 = vdupq_n_u64(12 | 12U << 24);
		else
			sendext01_w1 = vdupq_n_u64(0);
		sendext23_w1 = sendext01_w1;
	}

	for (i = 0; i < pkts; 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;

		/* Clear vlan enables. */
		if (flags & NIX_TX_NEED_EXT_HDR) {
			sendext01_w1 = vbicq_u64(sendext01_w1,
						 vdupq_n_u64(0x3FFFF00FFFF00));
			sendext23_w1 = sendext01_w1;
		}

		if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
			/* Reset send mem alg to SETTSTMP from SUB*/
			sendmem01_w0 = vbicq_u64(sendmem01_w0,
						 vdupq_n_u64(BIT_ULL(59)));
			/* Reset send mem address to default. */
			sendmem01_w1 =
				vbicq_u64(sendmem01_w1, vdupq_n_u64(0xF));
			sendmem23_w0 = sendmem01_w0;
			sendmem23_w1 = sendmem01_w1;
		}

		if (flags & NIX_TX_OFFLOAD_TSO_F) {
			/* Clear the LSO enable bit. */
			sendext01_w0 = vbicq_u64(sendext01_w0,
						 vdupq_n_u64(BIT_ULL(14)));
			sendext23_w0 = sendext01_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];

		/*
		 * 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 =
			vsetq_lane_u64(((struct rte_mbuf *)mbuf0)->data_off, vld1q_u64(mbuf0), 1);
		len_olflags0 = vld1q_u64(mbuf0 + 3);
		dataoff_iova1 =
			vsetq_lane_u64(((struct rte_mbuf *)mbuf1)->data_off, vld1q_u64(mbuf1), 1);
		len_olflags1 = vld1q_u64(mbuf1 + 3);
		dataoff_iova2 =
			vsetq_lane_u64(((struct rte_mbuf *)mbuf2)->data_off, vld1q_u64(mbuf2), 1);
		len_olflags2 = vld1q_u64(mbuf2 + 3);
		dataoff_iova3 =
			vsetq_lane_u64(((struct rte_mbuf *)mbuf3)->data_off, vld1q_u64(mbuf3), 1);
		len_olflags3 = vld1q_u64(mbuf3 + 3);

		/* Move mbufs to point pool */
		mbuf0 = (uint64_t *)((uintptr_t)mbuf0 + offsetof(struct rte_mbuf, pool));
		mbuf1 = (uint64_t *)((uintptr_t)mbuf1 + offsetof(struct rte_mbuf, pool));
		mbuf2 = (uint64_t *)((uintptr_t)mbuf2 + offsetof(struct rte_mbuf, pool));
		mbuf3 = (uint64_t *)((uintptr_t)mbuf3 + offsetof(struct rte_mbuf, pool));

		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);

		/*
		 * 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);

		/* Move mbuf to point to pool_id. */
		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));

		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, /* RTE_MBUF_F_TX_TCP_CKSUM (IPv6 assumed) */
				0x24, /* RTE_MBUF_F_TX_SCTP_CKSUM (IPv6 assumed) */
				0x34, /* RTE_MBUF_F_TX_UDP_CKSUM (IPv6 assumed) */
				0x03, /* RTE_MBUF_F_TX_IP_CKSUM */
				0x13, /* RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_TCP_CKSUM */
				0x23, /* RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_SCTP_CKSUM */
				0x33, /* RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_UDP_CKSUM */
				0x02, /* RTE_MBUF_F_TX_IPV4  */
				0x12, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_TCP_CKSUM */
				0x22, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_SCTP_CKSUM */
				0x32, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_UDP_CKSUM */
				0x03, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM */
				0x13, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
				       * RTE_MBUF_F_TX_TCP_CKSUM
				       */
				0x23, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
				       * RTE_MBUF_F_TX_SCTP_CKSUM
				       */
				0x33, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
				       * RTE_MBUF_F_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);

			/* 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));

			/* Move ltypes to senddesc*_w1 */
			senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
			senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
		} 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);

			/* 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));

			/* Move ltypes to senddesc*_w1 */
			senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
			senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
		} 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, /* RTE_MBUF_F_TX_TCP_CKSUM (IPv6) */
					0x24, /* RTE_MBUF_F_TX_SCTP_CKSUM (IPv6) */
					0x34, /* RTE_MBUF_F_TX_UDP_CKSUM (IPv6) */
					0x03, /* RTE_MBUF_F_TX_IP_CKSUM */
					0x13, /* RTE_MBUF_F_TX_IP_CKSUM |
					       * RTE_MBUF_F_TX_TCP_CKSUM
					       */
					0x23, /* RTE_MBUF_F_TX_IP_CKSUM |
					       * RTE_MBUF_F_TX_SCTP_CKSUM
					       */
					0x33, /* RTE_MBUF_F_TX_IP_CKSUM |
					       * RTE_MBUF_F_TX_UDP_CKSUM
					       */
					0x02, /* RTE_MBUF_F_TX_IPV4 */
					0x12, /* RTE_MBUF_F_TX_IPV4 |
					       * RTE_MBUF_F_TX_TCP_CKSUM
					       */
					0x22, /* RTE_MBUF_F_TX_IPV4 |
					       * RTE_MBUF_F_TX_SCTP_CKSUM
					       */
					0x32, /* RTE_MBUF_F_TX_IPV4 |
					       * RTE_MBUF_F_TX_UDP_CKSUM
					       */
					0x03, /* RTE_MBUF_F_TX_IPV4 |
					       * RTE_MBUF_F_TX_IP_CKSUM
					       */
					0x13, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
					       * RTE_MBUF_F_TX_TCP_CKSUM
					       */
					0x23, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
					       * RTE_MBUF_F_TX_SCTP_CKSUM
					       */
					0x33, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
					       * RTE_MBUF_F_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);

			/* 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));

			/* 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));

			/* Move ltypes to senddesc*_w1 */
			senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
			senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
		}

		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);

		if (flags & NIX_TX_OFFLOAD_VLAN_QINQ_F) {
			/* Tx ol_flag for vlan. */
			const uint64x2_t olv = {RTE_MBUF_F_TX_VLAN, RTE_MBUF_F_TX_VLAN};
			/* Bit enable for VLAN1 */
			const uint64x2_t mlv = {BIT_ULL(49), BIT_ULL(49)};
			/* Tx ol_flag for QnQ. */
			const uint64x2_t olq = {RTE_MBUF_F_TX_QINQ, RTE_MBUF_F_TX_QINQ};
			/* Bit enable for VLAN0 */
			const uint64x2_t mlq = {BIT_ULL(48), BIT_ULL(48)};
			/* Load vlan values from packet. outer is VLAN 0 */
			uint64x2_t ext01 = {
				((uint32_t)tx_pkts[0]->vlan_tci_outer) << 8 |
					((uint64_t)tx_pkts[0]->vlan_tci) << 32,
				((uint32_t)tx_pkts[1]->vlan_tci_outer) << 8 |
					((uint64_t)tx_pkts[1]->vlan_tci) << 32,
			};
			uint64x2_t ext23 = {
				((uint32_t)tx_pkts[2]->vlan_tci_outer) << 8 |
					((uint64_t)tx_pkts[2]->vlan_tci) << 32,
				((uint32_t)tx_pkts[3]->vlan_tci_outer) << 8 |
					((uint64_t)tx_pkts[3]->vlan_tci) << 32,
			};

			/* Get ol_flags of the packets. */
			xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
			ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);

			/* ORR vlan outer/inner values into cmd. */
			sendext01_w1 = vorrq_u64(sendext01_w1, ext01);
			sendext23_w1 = vorrq_u64(sendext23_w1, ext23);

			/* Test for offload enable bits and generate masks. */
			xtmp128 = vorrq_u64(vandq_u64(vtstq_u64(xtmp128, olv),
						      mlv),
					    vandq_u64(vtstq_u64(xtmp128, olq),
						      mlq));
			ytmp128 = vorrq_u64(vandq_u64(vtstq_u64(ytmp128, olv),
						      mlv),
					    vandq_u64(vtstq_u64(ytmp128, olq),
						      mlq));

			/* Set vlan enable bits into cmd based on mask. */
			sendext01_w1 = vorrq_u64(sendext01_w1, xtmp128);
			sendext23_w1 = vorrq_u64(sendext23_w1, ytmp128);
		}

		if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
			/* Tx ol_flag for timestamp. */
			const uint64x2_t olf = {RTE_MBUF_F_TX_IEEE1588_TMST,
						RTE_MBUF_F_TX_IEEE1588_TMST};
			/* Set send mem alg to SUB. */
			const uint64x2_t alg = {BIT_ULL(59), BIT_ULL(59)};
			/* Increment send mem address by 8. */
			const uint64x2_t addr = {0x8, 0x8};

			xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
			ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);

			/* Check if timestamp is requested and generate inverted
			 * mask as we need not make any changes to default cmd
			 * value.
			 */
			xtmp128 = vmvnq_u32(vtstq_u64(olf, xtmp128));
			ytmp128 = vmvnq_u32(vtstq_u64(olf, ytmp128));

			/* Change send mem address to an 8 byte offset when
			 * TSTMP is disabled.
			 */
			sendmem01_w1 = vaddq_u64(sendmem01_w1,
						 vandq_u64(xtmp128, addr));
			sendmem23_w1 = vaddq_u64(sendmem23_w1,
						 vandq_u64(ytmp128, addr));
			/* Change send mem alg to SUB when TSTMP is disabled. */
			sendmem01_w0 = vorrq_u64(sendmem01_w0,
						 vandq_u64(xtmp128, alg));
			sendmem23_w0 = vorrq_u64(sendmem23_w0,
						 vandq_u64(ytmp128, alg));

			cmd3[0] = vzip1q_u64(sendmem01_w0, sendmem01_w1);
			cmd3[1] = vzip2q_u64(sendmem01_w0, sendmem01_w1);
			cmd3[2] = vzip1q_u64(sendmem23_w0, sendmem23_w1);
			cmd3[3] = vzip2q_u64(sendmem23_w0, sendmem23_w1);
		}

		if (flags & NIX_TX_OFFLOAD_TSO_F) {
			uint64_t sx_w0[NIX_DESCS_PER_LOOP];
			uint64_t sd_w1[NIX_DESCS_PER_LOOP];

			/* Extract SD W1 as we need to set L4 types. */
			vst1q_u64(sd_w1, senddesc01_w1);
			vst1q_u64(sd_w1 + 2, senddesc23_w1);

			/* Extract SX W0 as we need to set LSO fields. */
			vst1q_u64(sx_w0, sendext01_w0);
			vst1q_u64(sx_w0 + 2, sendext23_w0);

			/* Extract ol_flags. */
			xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
			ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);

			/* Prepare individual mbufs. */
			cn9k_nix_prepare_tso(tx_pkts[0],
				(union nix_send_hdr_w1_u *)&sd_w1[0],
				(union nix_send_ext_w0_u *)&sx_w0[0],
				vgetq_lane_u64(xtmp128, 0), flags);

			cn9k_nix_prepare_tso(tx_pkts[1],
				(union nix_send_hdr_w1_u *)&sd_w1[1],
				(union nix_send_ext_w0_u *)&sx_w0[1],
				vgetq_lane_u64(xtmp128, 1), flags);

			cn9k_nix_prepare_tso(tx_pkts[2],
				(union nix_send_hdr_w1_u *)&sd_w1[2],
				(union nix_send_ext_w0_u *)&sx_w0[2],
				vgetq_lane_u64(ytmp128, 0), flags);

			cn9k_nix_prepare_tso(tx_pkts[3],
				(union nix_send_hdr_w1_u *)&sd_w1[3],
				(union nix_send_ext_w0_u *)&sx_w0[3],
				vgetq_lane_u64(ytmp128, 1), flags);

			senddesc01_w1 = vld1q_u64(sd_w1);
			senddesc23_w1 = vld1q_u64(sd_w1 + 2);

			sendext01_w0 = vld1q_u64(sx_w0);
			sendext23_w0 = vld1q_u64(sx_w0 + 2);
		}

		if ((flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) &&
		    !(flags & NIX_TX_MULTI_SEG_F)) {
			/* Set don't free bit if reference count > 1 */
			xmask01 = vdupq_n_u64(0);
			xmask23 = xmask01;

			/* 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];

			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf0))
				xmask01 = vsetq_lane_u64(0x80000, xmask01, 0);
			else
				RTE_MEMPOOL_CHECK_COOKIES(
					((struct rte_mbuf *)mbuf0)->pool,
					(void **)&mbuf0, 1, 0);

			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf1))
				xmask01 = vsetq_lane_u64(0x80000, xmask01, 1);
			else
				RTE_MEMPOOL_CHECK_COOKIES(
					((struct rte_mbuf *)mbuf1)->pool,
					(void **)&mbuf1, 1, 0);

			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf2))
				xmask23 = vsetq_lane_u64(0x80000, xmask23, 0);
			else
				RTE_MEMPOOL_CHECK_COOKIES(
					((struct rte_mbuf *)mbuf2)->pool,
					(void **)&mbuf2, 1, 0);

			if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf3))
				xmask23 = vsetq_lane_u64(0x80000, xmask23, 1);
			else
				RTE_MEMPOOL_CHECK_COOKIES(
					((struct rte_mbuf *)mbuf3)->pool,
					(void **)&mbuf3, 1, 0);
			senddesc01_w0 = vorrq_u64(senddesc01_w0, xmask01);
			senddesc23_w0 = vorrq_u64(senddesc23_w0, xmask23);
			/* Ensuring mbuf fields which got updated in
			 * cnxk_nix_prefree_seg are written before LMTST.
			 */
			rte_io_wmb();
		} else if (!(flags & NIX_TX_MULTI_SEG_F)) {
			/* 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];

			/* Mark mempool object as "put" since
			 * it is freed by NIX
			 */
			RTE_MEMPOOL_CHECK_COOKIES(
				((struct rte_mbuf *)mbuf0)->pool,
				(void **)&mbuf0, 1, 0);

			RTE_MEMPOOL_CHECK_COOKIES(
				((struct rte_mbuf *)mbuf1)->pool,
				(void **)&mbuf1, 1, 0);

			RTE_MEMPOOL_CHECK_COOKIES(
				((struct rte_mbuf *)mbuf2)->pool,
				(void **)&mbuf2, 1, 0);

			RTE_MEMPOOL_CHECK_COOKIES(
				((struct rte_mbuf *)mbuf3)->pool,
				(void **)&mbuf3, 1, 0);
#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
			rte_io_wmb();
#endif
		}

		/* Create 4W cmd for 4 mbufs (sendhdr, sgdesc) */
		cmd0[0] = vzip1q_u64(senddesc01_w0, senddesc01_w1);
		cmd0[1] = vzip2q_u64(senddesc01_w0, senddesc01_w1);
		cmd0[2] = vzip1q_u64(senddesc23_w0, senddesc23_w1);
		cmd0[3] = vzip2q_u64(senddesc23_w0, senddesc23_w1);

		cmd1[0] = vzip1q_u64(sgdesc01_w0, sgdesc01_w1);
		cmd1[1] = vzip2q_u64(sgdesc01_w0, sgdesc01_w1);
		cmd1[2] = vzip1q_u64(sgdesc23_w0, sgdesc23_w1);
		cmd1[3] = vzip2q_u64(sgdesc23_w0, sgdesc23_w1);

		if (flags & NIX_TX_NEED_EXT_HDR) {
			cmd2[0] = vzip1q_u64(sendext01_w0, sendext01_w1);
			cmd2[1] = vzip2q_u64(sendext01_w0, sendext01_w1);
			cmd2[2] = vzip1q_u64(sendext23_w0, sendext23_w1);
			cmd2[3] = vzip2q_u64(sendext23_w0, sendext23_w1);
		}

		if (flags & NIX_TX_MULTI_SEG_F) {
			uint64_t seg_list[NIX_DESCS_PER_LOOP]
					 [CNXK_NIX_TX_MSEG_SG_DWORDS - 2];
			uint8_t j, segdw[NIX_DESCS_PER_LOOP + 1];

			/* Build mseg list for each packet individually. */
			for (j = 0; j < NIX_DESCS_PER_LOOP; j++)
				segdw[j] = cn9k_nix_prepare_mseg_vec(tx_pkts[j],
							seg_list[j], &cmd0[j],
							&cmd1[j], flags);
			segdw[4] = 8;

			/* Commit all changes to mbuf before LMTST. */
			if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F)
				rte_io_wmb();

			cn9k_nix_xmit_pkts_mseg_vector(cmd0, cmd1, cmd2, cmd3,
						       segdw, seg_list,
						       lmt_addr, io_addr,
						       flags);
		} else if (flags & NIX_TX_NEED_EXT_HDR) {
			/* With ext header in the command we can no longer send
			 * all 4 packets together since LMTLINE is 128bytes.
			 * Split and Tx twice.
			 */
			do {
				if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
					vst1q_u64(lmt_addr, cmd0[0]);
					vst1q_u64(lmt_addr + 2, cmd2[0]);
					vst1q_u64(lmt_addr + 4, cmd1[0]);
					vst1q_u64(lmt_addr + 6, cmd3[0]);
					vst1q_u64(lmt_addr + 8, cmd0[1]);
					vst1q_u64(lmt_addr + 10, cmd2[1]);
					vst1q_u64(lmt_addr + 12, cmd1[1]);
					vst1q_u64(lmt_addr + 14, cmd3[1]);
				} else {
					vst1q_u64(lmt_addr, cmd0[0]);
					vst1q_u64(lmt_addr + 2, cmd2[0]);
					vst1q_u64(lmt_addr + 4, cmd1[0]);
					vst1q_u64(lmt_addr + 6, cmd0[1]);
					vst1q_u64(lmt_addr + 8, cmd2[1]);
					vst1q_u64(lmt_addr + 10, cmd1[1]);
				}
				lmt_status = roc_lmt_submit_ldeor(io_addr);
			} while (lmt_status == 0);

			do {
				if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
					vst1q_u64(lmt_addr, cmd0[2]);
					vst1q_u64(lmt_addr + 2, cmd2[2]);
					vst1q_u64(lmt_addr + 4, cmd1[2]);
					vst1q_u64(lmt_addr + 6, cmd3[2]);
					vst1q_u64(lmt_addr + 8, cmd0[3]);
					vst1q_u64(lmt_addr + 10, cmd2[3]);
					vst1q_u64(lmt_addr + 12, cmd1[3]);
					vst1q_u64(lmt_addr + 14, cmd3[3]);
				} else {
					vst1q_u64(lmt_addr, cmd0[2]);
					vst1q_u64(lmt_addr + 2, cmd2[2]);
					vst1q_u64(lmt_addr + 4, cmd1[2]);
					vst1q_u64(lmt_addr + 6, cmd0[3]);
					vst1q_u64(lmt_addr + 8, cmd2[3]);
					vst1q_u64(lmt_addr + 10, cmd1[3]);
				}
				lmt_status = roc_lmt_submit_ldeor(io_addr);
			} while (lmt_status == 0);
		} else {
			do {
				vst1q_u64(lmt_addr, cmd0[0]);
				vst1q_u64(lmt_addr + 2, cmd1[0]);
				vst1q_u64(lmt_addr + 4, cmd0[1]);
				vst1q_u64(lmt_addr + 6, cmd1[1]);
				vst1q_u64(lmt_addr + 8, cmd0[2]);
				vst1q_u64(lmt_addr + 10, cmd1[2]);
				vst1q_u64(lmt_addr + 12, cmd0[3]);
				vst1q_u64(lmt_addr + 14, cmd1[3]);
				lmt_status = roc_lmt_submit_ldeor(io_addr);
			} while (lmt_status == 0);
		}
		tx_pkts = tx_pkts + NIX_DESCS_PER_LOOP;
	}

	if (unlikely(pkts_left)) {
		if (flags & NIX_TX_MULTI_SEG_F)
			pkts += cn9k_nix_xmit_pkts_mseg(tx_queue, tx_pkts,
							pkts_left, cmd, flags);
		else
			pkts += cn9k_nix_xmit_pkts(tx_queue, tx_pkts, pkts_left,
						   cmd, flags);
	}

	return pkts;
}

#else
static __rte_always_inline uint16_t
cn9k_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
#define NOFF_F	     NIX_TX_OFFLOAD_MBUF_NOFF_F
#define TSO_F	     NIX_TX_OFFLOAD_TSO_F
#define TSP_F	     NIX_TX_OFFLOAD_TSTAMP_F
#define T_SEC_F      NIX_TX_OFFLOAD_SECURITY_F

/* [T_SEC_F] [TSP] [TSO] [NOFF] [VLAN] [OL3OL4CSUM] [L3L4CSUM] */
#define NIX_TX_FASTPATH_MODES_0_15                                             \
	T(no_offload, 6, NIX_TX_OFFLOAD_NONE)                                  \
	T(l3l4csum, 6, L3L4CSUM_F)                                             \
	T(ol3ol4csum, 6, OL3OL4CSUM_F)                                         \
	T(ol3ol4csum_l3l4csum, 6, OL3OL4CSUM_F | L3L4CSUM_F)                   \
	T(vlan, 6, VLAN_F)                                                     \
	T(vlan_l3l4csum, 6, VLAN_F | L3L4CSUM_F)                               \
	T(vlan_ol3ol4csum, 6, VLAN_F | OL3OL4CSUM_F)                           \
	T(vlan_ol3ol4csum_l3l4csum, 6, VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)     \
	T(noff, 6, NOFF_F)                                                     \
	T(noff_l3l4csum, 6, NOFF_F | L3L4CSUM_F)                               \
	T(noff_ol3ol4csum, 6, NOFF_F | OL3OL4CSUM_F)                           \
	T(noff_ol3ol4csum_l3l4csum, 6, NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)     \
	T(noff_vlan, 6, NOFF_F | VLAN_F)                                       \
	T(noff_vlan_l3l4csum, 6, NOFF_F | VLAN_F | L3L4CSUM_F)                 \
	T(noff_vlan_ol3ol4csum, 6, NOFF_F | VLAN_F | OL3OL4CSUM_F)             \
	T(noff_vlan_ol3ol4csum_l3l4csum, 6,                                    \
	  NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)

#define NIX_TX_FASTPATH_MODES_16_31                                            \
	T(tso, 6, TSO_F)                                                       \
	T(tso_l3l4csum, 6, TSO_F | L3L4CSUM_F)                                 \
	T(tso_ol3ol4csum, 6, TSO_F | OL3OL4CSUM_F)                             \
	T(tso_ol3ol4csum_l3l4csum, 6, TSO_F | OL3OL4CSUM_F | L3L4CSUM_F)       \
	T(tso_vlan, 6, TSO_F | VLAN_F)                                         \
	T(tso_vlan_l3l4csum, 6, TSO_F | VLAN_F | L3L4CSUM_F)                   \
	T(tso_vlan_ol3ol4csum, 6, TSO_F | VLAN_F | OL3OL4CSUM_F)               \
	T(tso_vlan_ol3ol4csum_l3l4csum, 6,                                     \
	  TSO_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)                          \
	T(tso_noff, 6, TSO_F | NOFF_F)                                         \
	T(tso_noff_l3l4csum, 6, TSO_F | NOFF_F | L3L4CSUM_F)                   \
	T(tso_noff_ol3ol4csum, 6, TSO_F | NOFF_F | OL3OL4CSUM_F)               \
	T(tso_noff_ol3ol4csum_l3l4csum, 6,                                     \
	  TSO_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)                          \
	T(tso_noff_vlan, 6, TSO_F | NOFF_F | VLAN_F)                           \
	T(tso_noff_vlan_l3l4csum, 6, TSO_F | NOFF_F | VLAN_F | L3L4CSUM_F)     \
	T(tso_noff_vlan_ol3ol4csum, 6, TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F) \
	T(tso_noff_vlan_ol3ol4csum_l3l4csum, 6,                                \
	  TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)

#define NIX_TX_FASTPATH_MODES_32_47                                            \
	T(ts, 8, TSP_F)                                                        \
	T(ts_l3l4csum, 8, TSP_F | L3L4CSUM_F)                                  \
	T(ts_ol3ol4csum, 8, TSP_F | OL3OL4CSUM_F)                              \
	T(ts_ol3ol4csum_l3l4csum, 8, TSP_F | OL3OL4CSUM_F | L3L4CSUM_F)        \
	T(ts_vlan, 8, TSP_F | VLAN_F)                                          \
	T(ts_vlan_l3l4csum, 8, TSP_F | VLAN_F | L3L4CSUM_F)                    \
	T(ts_vlan_ol3ol4csum, 8, TSP_F | VLAN_F | OL3OL4CSUM_F)                \
	T(ts_vlan_ol3ol4csum_l3l4csum, 8,                                      \
	  TSP_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)                          \
	T(ts_noff, 8, TSP_F | NOFF_F)                                          \
	T(ts_noff_l3l4csum, 8, TSP_F | NOFF_F | L3L4CSUM_F)                    \
	T(ts_noff_ol3ol4csum, 8, TSP_F | NOFF_F | OL3OL4CSUM_F)                \
	T(ts_noff_ol3ol4csum_l3l4csum, 8,                                      \
	  TSP_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)                          \
	T(ts_noff_vlan, 8, TSP_F | NOFF_F | VLAN_F)                            \
	T(ts_noff_vlan_l3l4csum, 8, TSP_F | NOFF_F | VLAN_F | L3L4CSUM_F)      \
	T(ts_noff_vlan_ol3ol4csum, 8, TSP_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)  \
	T(ts_noff_vlan_ol3ol4csum_l3l4csum, 8,                                 \
	  TSP_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)

#define NIX_TX_FASTPATH_MODES_48_63                                            \
	T(ts_tso, 8, TSP_F | TSO_F)                                            \
	T(ts_tso_l3l4csum, 8, TSP_F | TSO_F | L3L4CSUM_F)                      \
	T(ts_tso_ol3ol4csum, 8, TSP_F | TSO_F | OL3OL4CSUM_F)                  \
	T(ts_tso_ol3ol4csum_l3l4csum, 8,                                       \
	  TSP_F | TSO_F | OL3OL4CSUM_F | L3L4CSUM_F)                           \
	T(ts_tso_vlan, 8, TSP_F | TSO_F | VLAN_F)                              \
	T(ts_tso_vlan_l3l4csum, 8, TSP_F | TSO_F | VLAN_F | L3L4CSUM_F)        \
	T(ts_tso_vlan_ol3ol4csum, 8, TSP_F | TSO_F | VLAN_F | OL3OL4CSUM_F)    \
	T(ts_tso_vlan_ol3ol4csum_l3l4csum, 8,                                  \
	  TSP_F | TSO_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)                  \
	T(ts_tso_noff, 8, TSP_F | TSO_F | NOFF_F)                              \
	T(ts_tso_noff_l3l4csum, 8, TSP_F | TSO_F | NOFF_F | L3L4CSUM_F)        \
	T(ts_tso_noff_ol3ol4csum, 8, TSP_F | TSO_F | NOFF_F | OL3OL4CSUM_F)    \
	T(ts_tso_noff_ol3ol4csum_l3l4csum, 8,                                  \
	  TSP_F | TSO_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)                  \
	T(ts_tso_noff_vlan, 8, TSP_F | TSO_F | NOFF_F | VLAN_F)                \
	T(ts_tso_noff_vlan_l3l4csum, 8,                                        \
	  TSP_F | TSO_F | NOFF_F | VLAN_F | L3L4CSUM_F)                        \
	T(ts_tso_noff_vlan_ol3ol4csum, 8,                                      \
	  TSP_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)                      \
	T(ts_tso_noff_vlan_ol3ol4csum_l3l4csum, 8,                             \
	  TSP_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)

#define NIX_TX_FASTPATH_MODES_64_79                                            \
	T(sec, 6, T_SEC_F)                                                     \
	T(sec_l3l4csum, 6, T_SEC_F | L3L4CSUM_F)                               \
	T(sec_ol3ol4csum, 6, T_SEC_F | OL3OL4CSUM_F)                           \
	T(sec_ol3ol4csum_l3l4csum, 6, T_SEC_F | OL3OL4CSUM_F | L3L4CSUM_F)     \
	T(sec_vlan, 6, T_SEC_F | VLAN_F)                                       \
	T(sec_vlan_l3l4csum, 6, T_SEC_F | VLAN_F | L3L4CSUM_F)                 \
	T(sec_vlan_ol3ol4csum, 6, T_SEC_F | VLAN_F | OL3OL4CSUM_F)             \
	T(sec_vlan_ol3ol4csum_l3l4csum, 6,                                     \
	  T_SEC_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)                        \
	T(sec_noff, 6, T_SEC_F | NOFF_F)                                       \
	T(sec_noff_l3l4csum, 6, T_SEC_F | NOFF_F | L3L4CSUM_F)                 \
	T(sec_noff_ol3ol4csum, 6, T_SEC_F | NOFF_F | OL3OL4CSUM_F)             \
	T(sec_noff_ol3ol4csum_l3l4csum, 6,                                     \
	  T_SEC_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)                        \
	T(sec_noff_vlan, 6, T_SEC_F | NOFF_F | VLAN_F)                         \
	T(sec_noff_vlan_l3l4csum, 6, T_SEC_F | NOFF_F | VLAN_F | L3L4CSUM_F)   \
	T(sec_noff_vlan_ol3ol4csum, 6,                                         \
	  T_SEC_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)                            \
	T(sec_noff_vlan_ol3ol4csum_l3l4csum, 6,                                \
	  T_SEC_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)

#define NIX_TX_FASTPATH_MODES_80_95                                            \
	T(sec_tso, 6, T_SEC_F | TSO_F)                                         \
	T(sec_tso_l3l4csum, 6, T_SEC_F | TSO_F | L3L4CSUM_F)                   \
	T(sec_tso_ol3ol4csum, 6, T_SEC_F | TSO_F | OL3OL4CSUM_F)               \
	T(sec_tso_ol3ol4csum_l3l4csum, 6,                                      \
	  T_SEC_F | TSO_F | OL3OL4CSUM_F | L3L4CSUM_F)                         \
	T(sec_tso_vlan, 6, T_SEC_F | TSO_F | VLAN_F)                           \
	T(sec_tso_vlan_l3l4csum, 6, T_SEC_F | TSO_F | VLAN_F | L3L4CSUM_F)     \
	T(sec_tso_vlan_ol3ol4csum, 6, T_SEC_F | TSO_F | VLAN_F | OL3OL4CSUM_F) \
	T(sec_tso_vlan_ol3ol4csum_l3l4csum, 6,                                 \
	  T_SEC_F | TSO_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)                \
	T(sec_tso_noff, 6, T_SEC_F | TSO_F | NOFF_F)                           \
	T(sec_tso_noff_l3l4csum, 6, T_SEC_F | TSO_F | NOFF_F | L3L4CSUM_F)     \
	T(sec_tso_noff_ol3ol4csum, 6, T_SEC_F | TSO_F | NOFF_F | OL3OL4CSUM_F) \
	T(sec_tso_noff_ol3ol4csum_l3l4csum, 6,                                 \
	  T_SEC_F | TSO_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)                \
	T(sec_tso_noff_vlan, 6, T_SEC_F | TSO_F | NOFF_F | VLAN_F)             \
	T(sec_tso_noff_vlan_l3l4csum, 6,                                       \
	  T_SEC_F | TSO_F | NOFF_F | VLAN_F | L3L4CSUM_F)                      \
	T(sec_tso_noff_vlan_ol3ol4csum, 6,                                     \
	  T_SEC_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)                    \
	T(sec_tso_noff_vlan_ol3ol4csum_l3l4csum, 6,                            \
	  T_SEC_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)

#define NIX_TX_FASTPATH_MODES_96_111                                           \
	T(sec_ts, 8, T_SEC_F | TSP_F)                                          \
	T(sec_ts_l3l4csum, 8, T_SEC_F | TSP_F | L3L4CSUM_F)                    \
	T(sec_ts_ol3ol4csum, 8, T_SEC_F | TSP_F | OL3OL4CSUM_F)                \
	T(sec_ts_ol3ol4csum_l3l4csum, 8,                                       \
	  T_SEC_F | TSP_F | OL3OL4CSUM_F | L3L4CSUM_F)                         \
	T(sec_ts_vlan, 8, T_SEC_F | TSP_F | VLAN_F)                            \
	T(sec_ts_vlan_l3l4csum, 8, T_SEC_F | TSP_F | VLAN_F | L3L4CSUM_F)      \
	T(sec_ts_vlan_ol3ol4csum, 8, T_SEC_F | TSP_F | VLAN_F | OL3OL4CSUM_F)  \
	T(sec_ts_vlan_ol3ol4csum_l3l4csum, 8,                                  \
	  T_SEC_F | TSP_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)                \
	T(sec_ts_noff, 8, T_SEC_F | TSP_F | NOFF_F)                            \
	T(sec_ts_noff_l3l4csum, 8, T_SEC_F | TSP_F | NOFF_F | L3L4CSUM_F)      \
	T(sec_ts_noff_ol3ol4csum, 8, T_SEC_F | TSP_F | NOFF_F | OL3OL4CSUM_F)  \
	T(sec_ts_noff_ol3ol4csum_l3l4csum, 8,                                  \
	  T_SEC_F | TSP_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)                \
	T(sec_ts_noff_vlan, 8, T_SEC_F | TSP_F | NOFF_F | VLAN_F)              \
	T(sec_ts_noff_vlan_l3l4csum, 8,                                        \
	  T_SEC_F | TSP_F | NOFF_F | VLAN_F | L3L4CSUM_F)                      \
	T(sec_ts_noff_vlan_ol3ol4csum, 8,                                      \
	  T_SEC_F | TSP_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)                    \
	T(sec_ts_noff_vlan_ol3ol4csum_l3l4csum, 8,                             \
	  T_SEC_F | TSP_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)

#define NIX_TX_FASTPATH_MODES_112_127                                          \
	T(sec_ts_tso, 8, T_SEC_F | TSP_F | TSO_F)                              \
	T(sec_ts_tso_l3l4csum, 8, T_SEC_F | TSP_F | TSO_F | L3L4CSUM_F)        \
	T(sec_ts_tso_ol3ol4csum, 8, T_SEC_F | TSP_F | TSO_F | OL3OL4CSUM_F)    \
	T(sec_ts_tso_ol3ol4csum_l3l4csum, 8,                                   \
	  T_SEC_F | TSP_F | TSO_F | OL3OL4CSUM_F | L3L4CSUM_F)                 \
	T(sec_ts_tso_vlan, 8, T_SEC_F | TSP_F | TSO_F | VLAN_F)                \
	T(sec_ts_tso_vlan_l3l4csum, 8,                                         \
	  T_SEC_F | TSP_F | TSO_F | VLAN_F | L3L4CSUM_F)                       \
	T(sec_ts_tso_vlan_ol3ol4csum, 8,                                       \
	  T_SEC_F | TSP_F | TSO_F | VLAN_F | OL3OL4CSUM_F)                     \
	T(sec_ts_tso_vlan_ol3ol4csum_l3l4csum, 8,                              \
	  T_SEC_F | TSP_F | TSO_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)        \
	T(sec_ts_tso_noff, 8, T_SEC_F | TSP_F | TSO_F | NOFF_F)                \
	T(sec_ts_tso_noff_l3l4csum, 8,                                         \
	  T_SEC_F | TSP_F | TSO_F | NOFF_F | L3L4CSUM_F)                       \
	T(sec_ts_tso_noff_ol3ol4csum, 8,                                       \
	  T_SEC_F | TSP_F | TSO_F | NOFF_F | OL3OL4CSUM_F)                     \
	T(sec_ts_tso_noff_ol3ol4csum_l3l4csum, 8,                              \
	  T_SEC_F | TSP_F | TSO_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)        \
	T(sec_ts_tso_noff_vlan, 8, T_SEC_F | TSP_F | TSO_F | NOFF_F | VLAN_F)  \
	T(sec_ts_tso_noff_vlan_l3l4csum, 8,                                    \
	  T_SEC_F | TSP_F | TSO_F | NOFF_F | VLAN_F | L3L4CSUM_F)              \
	T(sec_ts_tso_noff_vlan_ol3ol4csum, 8,                                  \
	  T_SEC_F | TSP_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)            \
	T(sec_ts_tso_noff_vlan_ol3ol4csum_l3l4csum, 8,                         \
	  T_SEC_F | TSP_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F |           \
		  L3L4CSUM_F)

#define NIX_TX_FASTPATH_MODES                                                  \
	NIX_TX_FASTPATH_MODES_0_15                                             \
	NIX_TX_FASTPATH_MODES_16_31                                            \
	NIX_TX_FASTPATH_MODES_32_47                                            \
	NIX_TX_FASTPATH_MODES_48_63                                            \
	NIX_TX_FASTPATH_MODES_64_79                                            \
	NIX_TX_FASTPATH_MODES_80_95                                            \
	NIX_TX_FASTPATH_MODES_96_111                                           \
	NIX_TX_FASTPATH_MODES_112_127

#define T(name, sz, flags)                                                     \
	uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_##name(           \
		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);     \
	uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_mseg_##name(      \
		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);     \
	uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_vec_##name(       \
		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);     \
	uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_vec_mseg_##name(  \
		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);

NIX_TX_FASTPATH_MODES
#undef T

#define NIX_TX_XMIT(fn, sz, flags)                                             \
	uint16_t __rte_noinline __rte_hot fn(                                  \
		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts)      \
	{                                                                      \
		uint64_t cmd[sz];                                              \
		/* For TSO inner checksum is a must */                         \
		if (((flags) & NIX_TX_OFFLOAD_TSO_F) &&                        \
		    !((flags) & NIX_TX_OFFLOAD_L3_L4_CSUM_F))                  \
			return 0;                                              \
		return cn9k_nix_xmit_pkts(tx_queue, tx_pkts, pkts, cmd,        \
					  flags);                              \
	}

#define NIX_TX_XMIT_MSEG(fn, sz, flags)                                        \
	uint16_t __rte_noinline __rte_hot fn(                                  \
		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts)      \
	{                                                                      \
		uint64_t cmd[(sz) + CNXK_NIX_TX_MSEG_SG_DWORDS - 2];           \
		/* For TSO inner checksum is a must */                         \
		if (((flags) & NIX_TX_OFFLOAD_TSO_F) &&                        \
		    !((flags) & NIX_TX_OFFLOAD_L3_L4_CSUM_F))                  \
			return 0;                                              \
		return cn9k_nix_xmit_pkts_mseg(tx_queue, tx_pkts, pkts, cmd,   \
					       (flags) | NIX_TX_MULTI_SEG_F);  \
	}

#define NIX_TX_XMIT_VEC(fn, sz, flags)                                         \
	uint16_t __rte_noinline __rte_hot fn(                                  \
		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts)      \
	{                                                                      \
		uint64_t cmd[sz];                                              \
		/* For TSO inner checksum is a must */                         \
		if (((flags) & NIX_TX_OFFLOAD_TSO_F) &&                        \
		    !((flags) & NIX_TX_OFFLOAD_L3_L4_CSUM_F))                  \
			return 0;                                              \
		return cn9k_nix_xmit_pkts_vector(tx_queue, tx_pkts, pkts, cmd, \
						 (flags));                     \
	}

#define NIX_TX_XMIT_VEC_MSEG(fn, sz, flags)                                    \
	uint16_t __rte_noinline __rte_hot fn(                                  \
		void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts)      \
	{                                                                      \
		uint64_t cmd[(sz) + CNXK_NIX_TX_MSEG_SG_DWORDS - 2];           \
		/* For TSO inner checksum is a must */                         \
		if (((flags) & NIX_TX_OFFLOAD_TSO_F) &&                        \
		    !((flags) & NIX_TX_OFFLOAD_L3_L4_CSUM_F))                  \
			return 0;                                              \
		return cn9k_nix_xmit_pkts_vector(tx_queue, tx_pkts, pkts, cmd, \
						 (flags) |                     \
							 NIX_TX_MULTI_SEG_F);  \
	}

#endif /* __CN9K_TX_H__ */
