diff --git a/drivers/net/ethernet/intel/idpf/idpf.h b/drivers/net/ethernet/intel/idpf/idpf.h
index 38e814f798e2..5e96e0efa5ec 100644
--- a/drivers/net/ethernet/intel/idpf/idpf.h
+++ b/drivers/net/ethernet/intel/idpf/idpf.h
@@ -13,6 +13,7 @@ struct idpf_vport_max_q;
 #include <linux/aer.h>
 #include <linux/etherdevice.h>
 #include <linux/pci.h>
+#include <linux/bitfield.h>
 
 #include "virtchnl2.h"
 #include "idpf_lan_txrx.h"
@@ -527,7 +528,7 @@ static inline u8 idpf_get_min_tx_pkt_len(struct idpf_adapter *adapter)
 {
 	u8 pkt_len = adapter->caps.min_sso_packet_len;
 
-	return pkt_len ? pkt_len : IDPF_TX_MIN_LEN;
+	return pkt_len ? pkt_len : IDPF_TX_MIN_PKT_LEN;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/idpf/idpf_lan_txrx.h b/drivers/net/ethernet/intel/idpf/idpf_lan_txrx.h
index aac1e7c1a301..5dd7f5367aab 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_lan_txrx.h
+++ b/drivers/net/ethernet/intel/idpf/idpf_lan_txrx.h
@@ -56,6 +56,64 @@ enum idpf_rss_hash {
 	BIT_ULL(IDPF_HASH_NONF_UNICAST_IPV6_UDP) |		\
 	BIT_ULL(IDPF_HASH_NONF_MULTICAST_IPV6_UDP))
 
+#define IDPF_TXD_CTX_QW1_MSS_S		50
+#define IDPF_TXD_CTX_QW1_MSS_M		GENMASK_ULL(63, 50)
+#define IDPF_TXD_CTX_QW1_TSO_LEN_S	30
+#define IDPF_TXD_CTX_QW1_TSO_LEN_M	GENMASK_ULL(47, 30)
+#define IDPF_TXD_CTX_QW1_CMD_S		4
+#define IDPF_TXD_CTX_QW1_CMD_M		GENMASK_ULL(15, 4)
+#define IDPF_TXD_CTX_QW1_DTYPE_S	0
+#define IDPF_TXD_CTX_QW1_DTYPE_M	GENMASK_ULL(3, 0)
+#define IDPF_TXD_QW1_L2TAG1_S		48
+#define IDPF_TXD_QW1_L2TAG1_M		GENMASK_ULL(63, 48)
+#define IDPF_TXD_QW1_TX_BUF_SZ_S	34
+#define IDPF_TXD_QW1_TX_BUF_SZ_M	GENMASK_ULL(47, 34)
+#define IDPF_TXD_QW1_OFFSET_S		16
+#define IDPF_TXD_QW1_OFFSET_M		GENMASK_ULL(33, 16)
+#define IDPF_TXD_QW1_CMD_S		4
+#define IDPF_TXD_QW1_CMD_M		GENMASK_ULL(15, 4)
+#define IDPF_TXD_QW1_DTYPE_S		0
+#define IDPF_TXD_QW1_DTYPE_M		GENMASK_ULL(3, 0)
+
+enum idpf_tx_desc_dtype_value {
+	IDPF_TX_DESC_DTYPE_DATA				= 0,
+	IDPF_TX_DESC_DTYPE_CTX				= 1,
+	/* DTYPE 2 is reserved
+	 * DTYPE 3 is free for future use
+	 * DTYPE 4 is reserved
+	 */
+	IDPF_TX_DESC_DTYPE_FLEX_TSO_CTX			= 5,
+	/* DTYPE 6 is reserved */
+	IDPF_TX_DESC_DTYPE_FLEX_L2TAG1_L2TAG2		= 7,
+	/* DTYPE 8, 9 are free for future use
+	 * DTYPE 10 is reserved
+	 * DTYPE 11 is free for future use
+	 */
+	IDPF_TX_DESC_DTYPE_FLEX_FLOW_SCHE		= 12,
+	/* DTYPE 13, 14 are free for future use */
+
+	/* DESC_DONE - HW has completed write-back of descriptor */
+	IDPF_TX_DESC_DTYPE_DESC_DONE			= 15,
+};
+
+enum idpf_tx_base_desc_cmd_bits {
+	IDPF_TX_DESC_CMD_EOP			= BIT(0),
+	IDPF_TX_DESC_CMD_RS			= BIT(1),
+	 /* only on VFs else RSVD */
+	IDPF_TX_DESC_CMD_ICRC			= BIT(2),
+	IDPF_TX_DESC_CMD_IL2TAG1		= BIT(3),
+	IDPF_TX_DESC_CMD_RSVD1			= BIT(4),
+	IDPF_TX_DESC_CMD_IIPT_IPV6		= BIT(5),
+	IDPF_TX_DESC_CMD_IIPT_IPV4		= BIT(6),
+	IDPF_TX_DESC_CMD_IIPT_IPV4_CSUM		= GENMASK(6, 5),
+	IDPF_TX_DESC_CMD_RSVD2			= BIT(7),
+	IDPF_TX_DESC_CMD_L4T_EOFT_TCP		= BIT(8),
+	IDPF_TX_DESC_CMD_L4T_EOFT_SCTP		= BIT(9),
+	IDPF_TX_DESC_CMD_L4T_EOFT_UDP		= GENMASK(9, 8),
+	IDPF_TX_DESC_CMD_RSVD3			= BIT(10),
+	IDPF_TX_DESC_CMD_RSVD4			= BIT(11),
+};
+
 /* Transmit descriptors  */
 /* splitq tx buf, singleq tx buf and singleq compl desc */
 struct idpf_base_tx_desc {
@@ -74,4 +132,89 @@ struct idpf_splitq_tx_compl_desc {
 	u8 rsvd; /* Reserved */
 }; /* writeback used with completion queues */
 
+/* Common cmd field defines for all desc except Flex Flow Scheduler (0x0C) */
+enum idpf_tx_flex_desc_cmd_bits {
+	IDPF_TX_FLEX_DESC_CMD_EOP			= BIT(0),
+	IDPF_TX_FLEX_DESC_CMD_RS			= BIT(1),
+	IDPF_TX_FLEX_DESC_CMD_RE			= BIT(2),
+	IDPF_TX_FLEX_DESC_CMD_IL2TAG1			= BIT(3),
+	IDPF_TX_FLEX_DESC_CMD_DUMMY			= BIT(4),
+	IDPF_TX_FLEX_DESC_CMD_CS_EN			= BIT(5),
+	IDPF_TX_FLEX_DESC_CMD_FILT_AU_EN		= BIT(6),
+	IDPF_TX_FLEX_DESC_CMD_FILT_AU_EVICT		= BIT(7),
+};
+
+struct idpf_flex_tx_desc {
+	__le64 buf_addr;	/* Packet buffer address */
+	struct {
+#define IDPF_FLEX_TXD_QW1_DTYPE_S	0
+#define IDPF_FLEX_TXD_QW1_DTYPE_M	GENMASK(4, 0)
+#define IDPF_FLEX_TXD_QW1_CMD_S		5
+#define IDPF_FLEX_TXD_QW1_CMD_M		GENMASK(15, 5)
+		__le16 cmd_dtype;
+		/* DTYPE=IDPF_TX_DESC_DTYPE_FLEX_L2TAG1_L2TAG2 (0x07) */
+		struct {
+			__le16 l2tag1;
+			__le16 l2tag2;
+		} l2tags;
+		__le16 buf_size;
+	} qw1;
+};
+
+struct idpf_flex_tx_sched_desc {
+	__le64 buf_addr;	/* Packet buffer address */
+
+	/* DTYPE = IDPF_TX_DESC_DTYPE_FLEX_FLOW_SCHE_16B (0x0C) */
+	struct {
+		u8 cmd_dtype;
+#define IDPF_TXD_FLEX_FLOW_DTYPE_M	GENMASK(4, 0)
+#define IDPF_TXD_FLEX_FLOW_CMD_EOP	BIT(5)
+#define IDPF_TXD_FLEX_FLOW_CMD_CS_EN	BIT(6)
+#define IDPF_TXD_FLEX_FLOW_CMD_RE	BIT(7)
+
+		/* [23:23] Horizon Overflow bit, [22:0] timestamp */
+		u8 ts[3];
+#define IDPF_TXD_FLOW_SCH_HORIZON_OVERFLOW_M	BIT(7)
+
+		__le16 compl_tag;
+		__le16 rxr_bufsize;
+#define IDPF_TXD_FLEX_FLOW_RXR		BIT(14)
+#define IDPF_TXD_FLEX_FLOW_BUFSIZE_M	GENMASK(13, 0)
+	} qw1;
+};
+
+/* Common cmd fields for all flex context descriptors
+ * Note: these defines already account for the 5 bit dtype in the cmd_dtype
+ * field
+ */
+enum idpf_tx_flex_ctx_desc_cmd_bits {
+	IDPF_TX_FLEX_CTX_DESC_CMD_TSO			= BIT(5),
+	IDPF_TX_FLEX_CTX_DESC_CMD_TSYN_EN		= BIT(6),
+	IDPF_TX_FLEX_CTX_DESC_CMD_L2TAG2		= BIT(7),
+	IDPF_TX_FLEX_CTX_DESC_CMD_SWTCH_UPLNK		= BIT(9),
+	IDPF_TX_FLEX_CTX_DESC_CMD_SWTCH_LOCAL		= BIT(10),
+	IDPF_TX_FLEX_CTX_DESC_CMD_SWTCH_TARGETVSI	= GENMASK(10, 9),
+};
+
+/* Standard flex descriptor TSO context quad word */
+struct idpf_flex_tx_tso_ctx_qw {
+	__le32 flex_tlen;
+#define IDPF_TXD_FLEX_CTX_TLEN_M	GENMASK(17, 0)
+#define IDPF_TXD_FLEX_TSO_CTX_FLEX_S	24
+	__le16 mss_rt;
+#define IDPF_TXD_FLEX_CTX_MSS_RT_M	GENMASK(13, 0)
+	u8 hdr_len;
+	u8 flex;
+};
+
+struct idpf_flex_tx_ctx_desc {
+	/* DTYPE = IDPF_TX_DESC_DTYPE_FLEX_TSO_CTX (0x05) */
+	struct {
+		struct idpf_flex_tx_tso_ctx_qw qw0;
+		struct {
+			__le16 cmd_dtype;
+			u8 flex[6];
+		} qw1;
+	} tso;
+};
 #endif /* _IDPF_LAN_TXRX_H_ */
diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c
index f92e26c216e0..10bb40287882 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_lib.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c
@@ -1543,6 +1543,7 @@ void idpf_free_dma_mem(struct idpf_hw *hw, struct idpf_dma_mem *mem)
 static const struct net_device_ops idpf_netdev_ops_splitq = {
 	.ndo_open = idpf_open,
 	.ndo_stop = idpf_stop,
+	.ndo_start_xmit = idpf_tx_splitq_start,
 };
 
 static const struct net_device_ops idpf_netdev_ops_singleq = {
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
index 55d872ba1e46..4822a97dfbbd 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
@@ -10,7 +10,24 @@
  */
 static void idpf_tx_buf_rel(struct idpf_queue *tx_q, struct idpf_tx_buf *tx_buf)
 {
+	if (tx_buf->skb) {
+		if (dma_unmap_len(tx_buf, len))
+			dma_unmap_single(tx_q->dev,
+					 dma_unmap_addr(tx_buf, dma),
+					 dma_unmap_len(tx_buf, len),
+					 DMA_TO_DEVICE);
+		dev_kfree_skb_any(tx_buf->skb);
+	} else if (dma_unmap_len(tx_buf, len)) {
+		dma_unmap_page(tx_q->dev,
+			       dma_unmap_addr(tx_buf, dma),
+			       dma_unmap_len(tx_buf, len),
+			       DMA_TO_DEVICE);
+	}
+
+	tx_buf->next_to_watch = NULL;
+	tx_buf->skb = NULL;
 	tx_buf->compl_tag = IDPF_SPLITQ_TX_INVAL_COMPL_TAG;
+	dma_unmap_len_set(tx_buf, len, 0);
 }
 
 /**
@@ -1463,6 +1480,792 @@ int idpf_vport_queues_alloc(struct idpf_vport *vport)
 	return err;
 }
 
+/**
+ * idpf_tx_splitq_build_ctb - populate command tag and size for queue
+ * based scheduling descriptors
+ * @desc: descriptor to populate
+ * @params: pointer to tx params struct
+ * @td_cmd: command to be filled in desc
+ * @size: size of buffer
+ */
+void idpf_tx_splitq_build_ctb(union idpf_tx_flex_desc *desc,
+			      struct idpf_tx_splitq_params *params,
+			      u16 td_cmd, u16 size)
+{
+	desc->q.qw1.cmd_dtype =
+		cpu_to_le16(params->dtype & IDPF_FLEX_TXD_QW1_DTYPE_M);
+	desc->q.qw1.cmd_dtype |=
+		cpu_to_le16((td_cmd << IDPF_FLEX_TXD_QW1_CMD_S) &
+			    IDPF_FLEX_TXD_QW1_CMD_M);
+	desc->q.qw1.buf_size = cpu_to_le16((u16)size);
+	desc->q.qw1.l2tags.l2tag1 = cpu_to_le16(params->td_tag);
+}
+
+/**
+ * idpf_tx_splitq_build_flow_desc - populate command tag and size for flow
+ * scheduling descriptors
+ * @desc: descriptor to populate
+ * @params: pointer to tx params struct
+ * @td_cmd: command to be filled in desc
+ * @size: size of buffer
+ */
+void idpf_tx_splitq_build_flow_desc(union idpf_tx_flex_desc *desc,
+				    struct idpf_tx_splitq_params *params,
+				    u16 td_cmd, u16 size)
+{
+	desc->flow.qw1.cmd_dtype = (u16)params->dtype | td_cmd;
+	desc->flow.qw1.rxr_bufsize = cpu_to_le16((u16)size);
+	desc->flow.qw1.compl_tag = cpu_to_le16(params->compl_tag);
+}
+
+/**
+ * __idpf_tx_maybe_stop_common - 2nd level check for common Tx stop conditions
+ * @tx_q: the queue to be checked
+ * @size: the size buffer we want to assure is available
+ *
+ * Returns -EBUSY if a stop is needed, else 0
+ */
+static int __idpf_tx_maybe_stop_common(struct idpf_queue *tx_q,
+				       unsigned int size)
+{
+	netif_stop_subqueue(tx_q->vport->netdev, tx_q->idx);
+
+	/* Memory barrier before checking head and tail */
+	smp_mb();
+
+	/* Check again in a case another CPU has just made room available. */
+	if (likely(IDPF_DESC_UNUSED(tx_q) < size))
+		return -EBUSY;
+
+	/* A reprieve! - use start_subqueue because it doesn't call schedule */
+	netif_start_subqueue(tx_q->vport->netdev, tx_q->idx);
+
+	return 0;
+}
+
+/**
+ * idpf_tx_maybe_stop_common - 1st level check for common Tx stop conditions
+ * @tx_q: the queue to be checked
+ * @size: number of descriptors we want to assure is available
+ *
+ * Returns 0 if stop is not needed
+ */
+static int idpf_tx_maybe_stop_common(struct idpf_queue *tx_q, unsigned int size)
+{
+	if (likely(IDPF_DESC_UNUSED(tx_q) >= size))
+		return 0;
+
+	u64_stats_update_begin(&tx_q->stats_sync);
+	u64_stats_inc(&tx_q->q_stats.tx.q_busy);
+	u64_stats_update_end(&tx_q->stats_sync);
+
+	return __idpf_tx_maybe_stop_common(tx_q, size);
+}
+
+/**
+ * idpf_tx_maybe_stop_splitq - 1st level check for Tx splitq stop conditions
+ * @tx_q: the queue to be checked
+ * @descs_needed: number of descriptors required for this packet
+ *
+ * Returns 0 if stop is not needed
+ */
+static int idpf_tx_maybe_stop_splitq(struct idpf_queue *tx_q,
+				     unsigned int descs_needed)
+{
+	if (idpf_tx_maybe_stop_common(tx_q, descs_needed))
+		goto splitq_stop;
+
+	/* If there are too many outstanding completions expected on the
+	 * completion queue, stop the TX queue to give the device some time to
+	 * catch up
+	 */
+	if (unlikely(IDPF_TX_COMPLQ_PENDING(tx_q->txq_grp) >
+		     IDPF_TX_COMPLQ_OVERFLOW_THRESH(tx_q->txq_grp->complq)))
+		goto splitq_stop;
+
+	/* Also check for available book keeping buffers; if we are low, stop
+	 * the queue to wait for more completions
+	 */
+	if (unlikely(IDPF_TX_BUF_RSV_LOW(tx_q)))
+		goto splitq_stop;
+
+	return 0;
+
+splitq_stop:
+	u64_stats_update_begin(&tx_q->stats_sync);
+	u64_stats_inc(&tx_q->q_stats.tx.q_busy);
+	u64_stats_update_end(&tx_q->stats_sync);
+	netif_stop_subqueue(tx_q->vport->netdev, tx_q->idx);
+
+	return -EBUSY;
+}
+
+/**
+ * idpf_tx_buf_hw_update - Store the new tail value
+ * @tx_q: queue to bump
+ * @val: new tail index
+ * @xmit_more: more skb's pending
+ *
+ * The naming here is special in that 'hw' signals that this function is about
+ * to do a register write to update our queue status. We know this can only
+ * mean tail here as HW should be owning head for TX.
+ */
+static void idpf_tx_buf_hw_update(struct idpf_queue *tx_q, u32 val,
+				  bool xmit_more)
+{
+	struct netdev_queue *nq;
+
+	nq = netdev_get_tx_queue(tx_q->vport->netdev, tx_q->idx);
+	tx_q->next_to_use = val;
+
+	idpf_tx_maybe_stop_common(tx_q, IDPF_TX_DESC_NEEDED);
+
+	/* Force memory writes to complete before letting h/w
+	 * know there are new descriptors to fetch.  (Only
+	 * applicable for weak-ordered memory model archs,
+	 * such as IA-64).
+	 */
+	wmb();
+
+	/* notify HW of packet */
+	if (netif_xmit_stopped(nq) || !xmit_more)
+		writel(val, tx_q->tail);
+}
+
+/**
+ * idpf_tx_desc_count_required - calculate number of Tx descriptors needed
+ * @skb: send buffer
+ *
+ * Returns number of data descriptors needed for this skb.
+ */
+static unsigned int idpf_tx_desc_count_required(struct sk_buff *skb)
+{
+	const struct skb_shared_info *shinfo;
+	unsigned int count = 0, i;
+
+	count += !!skb_headlen(skb);
+
+	if (!skb_is_nonlinear(skb))
+		return count;
+
+	shinfo = skb_shinfo(skb);
+	for (i = 0; i < shinfo->nr_frags; i++) {
+		unsigned int size;
+
+		size = skb_frag_size(&shinfo->frags[i]);
+
+		/* We only need to use the idpf_size_to_txd_count check if the
+		 * fragment is going to span multiple descriptors,
+		 * i.e. size >= 16K.
+		 */
+		if (size >= SZ_16K)
+			count += idpf_size_to_txd_count(size);
+		else
+			count++;
+	}
+
+	return count;
+}
+
+/**
+ * idpf_tx_dma_map_error - handle TX DMA map errors
+ * @txq: queue to send buffer on
+ * @skb: send buffer
+ * @first: original first buffer info buffer for packet
+ * @idx: starting point on ring to unwind
+ */
+static void idpf_tx_dma_map_error(struct idpf_queue *txq, struct sk_buff *skb,
+				  struct idpf_tx_buf *first, u16 idx)
+{
+	u64_stats_update_begin(&txq->stats_sync);
+	u64_stats_inc(&txq->q_stats.tx.dma_map_errs);
+	u64_stats_update_end(&txq->stats_sync);
+
+	/* clear dma mappings for failed tx_buf map */
+	for (;;) {
+		struct idpf_tx_buf *tx_buf;
+
+		tx_buf = &txq->tx_buf[idx];
+		idpf_tx_buf_rel(txq, tx_buf);
+		if (tx_buf == first)
+			break;
+		if (idx == 0)
+			idx = txq->desc_count;
+		idx--;
+	}
+
+	if (skb_is_gso(skb)) {
+		union idpf_tx_flex_desc *tx_desc;
+
+		/* If we failed a DMA mapping for a TSO packet, we will have
+		 * used one additional descriptor for a context
+		 * descriptor. Reset that here.
+		 */
+		tx_desc = IDPF_FLEX_TX_DESC(txq, idx);
+		memset(tx_desc, 0, sizeof(struct idpf_flex_tx_ctx_desc));
+		if (idx == 0)
+			idx = txq->desc_count;
+		idx--;
+	}
+
+	/* Update tail in case netdev_xmit_more was previously true */
+	idpf_tx_buf_hw_update(txq, idx, false);
+}
+
+/**
+ * idpf_tx_splitq_bump_ntu - adjust NTU and generation
+ * @txq: the tx ring to wrap
+ * @ntu: ring index to bump
+ */
+static inline unsigned int idpf_tx_splitq_bump_ntu(struct idpf_queue *txq,
+						   u16 ntu)
+{
+	ntu++;
+
+	if (ntu == txq->desc_count) {
+		ntu = 0;
+		txq->compl_tag_cur_gen = IDPF_TX_ADJ_COMPL_TAG_GEN(txq);
+	}
+
+	return ntu;
+}
+
+/**
+ * idpf_tx_splitq_map - Build the Tx flex descriptor
+ * @tx_q: queue to send buffer on
+ * @params: pointer to splitq params struct
+ * @first: first buffer info buffer to use
+ *
+ * This function loops over the skb data pointed to by *first
+ * and gets a physical address for each memory location and programs
+ * it and the length into the transmit flex descriptor.
+ */
+static void idpf_tx_splitq_map(struct idpf_queue *tx_q,
+			       struct idpf_tx_splitq_params *params,
+			       struct idpf_tx_buf *first)
+{
+	union idpf_tx_flex_desc *tx_desc;
+	unsigned int data_len, size;
+	struct idpf_tx_buf *tx_buf;
+	u16 i = tx_q->next_to_use;
+	struct netdev_queue *nq;
+	struct sk_buff *skb;
+	skb_frag_t *frag;
+	u16 td_cmd = 0;
+	dma_addr_t dma;
+
+	skb = first->skb;
+
+	td_cmd = params->offload.td_cmd;
+
+	data_len = skb->data_len;
+	size = skb_headlen(skb);
+
+	tx_desc = IDPF_FLEX_TX_DESC(tx_q, i);
+
+	dma = dma_map_single(tx_q->dev, skb->data, size, DMA_TO_DEVICE);
+
+	tx_buf = first;
+
+	params->compl_tag =
+		(tx_q->compl_tag_cur_gen << tx_q->compl_tag_gen_s) | i;
+
+	for (frag = &skb_shinfo(skb)->frags[0];; frag++) {
+		unsigned int max_data = IDPF_TX_MAX_DESC_DATA_ALIGNED;
+
+		if (dma_mapping_error(tx_q->dev, dma))
+			return idpf_tx_dma_map_error(tx_q, skb, first, i);
+
+		tx_buf->compl_tag = params->compl_tag;
+
+		/* record length, and DMA address */
+		dma_unmap_len_set(tx_buf, len, size);
+		dma_unmap_addr_set(tx_buf, dma, dma);
+
+		/* buf_addr is in same location for both desc types */
+		tx_desc->q.buf_addr = cpu_to_le64(dma);
+
+		/* The stack can send us fragments that are too large for a
+		 * single descriptor i.e. frag size > 16K-1. We will need to
+		 * split the fragment across multiple descriptors in this case.
+		 * To adhere to HW alignment restrictions, the fragment needs
+		 * to be split such that the first chunk ends on a 4K boundary
+		 * and all subsequent chunks start on a 4K boundary. We still
+		 * want to send as much data as possible though, so our
+		 * intermediate descriptor chunk size will be 12K.
+		 *
+		 * For example, consider a 32K fragment mapped to DMA addr 2600.
+		 * ------------------------------------------------------------
+		 * |                    frag_size = 32K                       |
+		 * ------------------------------------------------------------
+		 * |2600		  |16384	    |28672
+		 *
+		 * 3 descriptors will be used for this fragment. The HW expects
+		 * the descriptors to contain the following:
+		 * ------------------------------------------------------------
+		 * | size = 13784         | size = 12K      | size = 6696     |
+		 * | dma = 2600           | dma = 16384     | dma = 28672     |
+		 * ------------------------------------------------------------
+		 *
+		 * We need to first adjust the max_data for the first chunk so
+		 * that it ends on a 4K boundary. By negating the value of the
+		 * DMA address and taking only the low order bits, we're
+		 * effectively calculating
+		 *	4K - (DMA addr lower order bits) = bytes to next boundary.
+		 *
+		 * Add that to our base aligned max_data (12K) and we have
+		 * our first chunk size. In the example above,
+		 *	13784 = 12K + (4096-2600)
+		 *
+		 * After guaranteeing the first chunk ends on a 4K boundary, we
+		 * will give the intermediate descriptors 12K chunks and
+		 * whatever is left to the final descriptor. This ensures that
+		 * all descriptors used for the remaining chunks of the
+		 * fragment start on a 4K boundary and we use as few
+		 * descriptors as possible.
+		 */
+		max_data += -dma & (IDPF_TX_MAX_READ_REQ_SIZE - 1);
+		while (unlikely(size > IDPF_TX_MAX_DESC_DATA)) {
+			idpf_tx_splitq_build_desc(tx_desc, params, td_cmd,
+						  max_data);
+
+			tx_desc++;
+			i++;
+
+			if (i == tx_q->desc_count) {
+				tx_desc = IDPF_FLEX_TX_DESC(tx_q, 0);
+				i = 0;
+				tx_q->compl_tag_cur_gen =
+					IDPF_TX_ADJ_COMPL_TAG_GEN(tx_q);
+			}
+
+			/* Since this packet has a buffer that is going to span
+			 * multiple descriptors, it's going to leave holes in
+			 * to the TX buffer ring. To ensure these holes do not
+			 * cause issues in the cleaning routines, we will clear
+			 * them of any stale data and assign them the same
+			 * completion tag as the current packet. Then when the
+			 * packet is being cleaned, the cleaning routines will
+			 * simply pass over these holes and finish cleaning the
+			 * rest of the packet.
+			 */
+			memset(&tx_q->tx_buf[i], 0, sizeof(struct idpf_tx_buf));
+			tx_q->tx_buf[i].compl_tag = params->compl_tag;
+
+			/* Adjust the DMA offset and the remaining size of the
+			 * fragment.  On the first iteration of this loop,
+			 * max_data will be >= 12K and <= 16K-1.  On any
+			 * subsequent iteration of this loop, max_data will
+			 * always be 12K.
+			 */
+			dma += max_data;
+			size -= max_data;
+
+			/* Reset max_data since remaining chunks will be 12K at most */
+			max_data = IDPF_TX_MAX_DESC_DATA_ALIGNED;
+
+			/* buf_addr is in same location for both desc types */
+			tx_desc->q.buf_addr = cpu_to_le64(dma);
+		}
+
+		if (!data_len)
+			break;
+
+		idpf_tx_splitq_build_desc(tx_desc, params, td_cmd, size);
+		tx_desc++;
+		i++;
+
+		if (i == tx_q->desc_count) {
+			tx_desc = IDPF_FLEX_TX_DESC(tx_q, 0);
+			i = 0;
+			tx_q->compl_tag_cur_gen = IDPF_TX_ADJ_COMPL_TAG_GEN(tx_q);
+		}
+
+		size = skb_frag_size(frag);
+		data_len -= size;
+
+		dma = skb_frag_dma_map(tx_q->dev, frag, 0, size,
+				       DMA_TO_DEVICE);
+
+		tx_buf = &tx_q->tx_buf[i];
+	}
+
+	/* record SW timestamp if HW timestamp is not available */
+	skb_tx_timestamp(skb);
+
+	/* write last descriptor with RS and EOP bits */
+	td_cmd |= params->eop_cmd;
+	idpf_tx_splitq_build_desc(tx_desc, params, td_cmd, size);
+	i = idpf_tx_splitq_bump_ntu(tx_q, i);
+
+	/* set next_to_watch value indicating a packet is present */
+	first->next_to_watch = tx_desc;
+
+	tx_q->txq_grp->num_completions_pending++;
+
+	/* record bytecount for BQL */
+	nq = netdev_get_tx_queue(tx_q->vport->netdev, tx_q->idx);
+	netdev_tx_sent_queue(nq, first->bytecount);
+
+	idpf_tx_buf_hw_update(tx_q, i, netdev_xmit_more());
+}
+
+/**
+ * idpf_tso - computes mss and TSO length to prepare for TSO
+ * @skb: pointer to skb
+ * @off: pointer to struct that holds offload parameters
+ *
+ * Returns error (negative) if TSO was requested but cannot be applied to the given skb,
+ * 0 if TSO does not apply to the given skb, or 1 otherwise.
+ */
+static int idpf_tso(struct sk_buff *skb, struct idpf_tx_offload_params *off)
+{
+	const struct skb_shared_info *shinfo = skb_shinfo(skb);
+	union {
+		struct iphdr *v4;
+		struct ipv6hdr *v6;
+		unsigned char *hdr;
+	} ip;
+	union {
+		struct tcphdr *tcp;
+		struct udphdr *udp;
+		unsigned char *hdr;
+	} l4;
+	u32 paylen, l4_start;
+	int err;
+
+	if (!shinfo->gso_size)
+		return 0;
+
+	err = skb_cow_head(skb, 0);
+	if (err < 0)
+		return err;
+
+	ip.hdr = skb_network_header(skb);
+	l4.hdr = skb_transport_header(skb);
+
+	/* initialize outer IP header fields */
+	if (ip.v4->version == 4) {
+		ip.v4->tot_len = 0;
+		ip.v4->check = 0;
+	} else if (ip.v6->version == 6) {
+		ip.v6->payload_len = 0;
+	}
+
+	l4_start = skb_transport_offset(skb);
+
+	/* remove payload length from checksum */
+	paylen = skb->len - l4_start;
+
+	switch (shinfo->gso_type & ~SKB_GSO_DODGY) {
+	case SKB_GSO_TCPV4:
+	case SKB_GSO_TCPV6:
+		csum_replace_by_diff(&l4.tcp->check,
+				     (__force __wsum)htonl(paylen));
+		off->tso_hdr_len = __tcp_hdrlen(l4.tcp) + l4_start;
+		break;
+	case SKB_GSO_UDP_L4:
+		csum_replace_by_diff(&l4.udp->check,
+				     (__force __wsum)htonl(paylen));
+		/* compute length of segmentation header */
+		off->tso_hdr_len = sizeof(struct udphdr) + l4_start;
+		l4.udp->len = htons(shinfo->gso_size + sizeof(struct udphdr));
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	off->tso_len = skb->len - off->tso_hdr_len;
+	off->mss = shinfo->gso_size;
+	off->tso_segs = shinfo->gso_segs;
+
+	off->tx_flags |= IDPF_TX_FLAGS_TSO;
+
+	return 1;
+}
+
+/**
+ * __idpf_chk_linearize - Check skb is not using too many buffers
+ * @skb: send buffer
+ * @max_bufs: maximum number of buffers
+ *
+ * For TSO we need to count the TSO header and segment payload separately.  As
+ * such we need to check cases where we have max_bufs-1 fragments or more as we
+ * can potentially require max_bufs+1 DMA transactions, 1 for the TSO header, 1
+ * for the segment payload in the first descriptor, and another max_buf-1 for
+ * the fragments.
+ */
+static bool __idpf_chk_linearize(struct sk_buff *skb, unsigned int max_bufs)
+{
+	const struct skb_shared_info *shinfo = skb_shinfo(skb);
+	const skb_frag_t *frag, *stale;
+	int nr_frags, sum;
+
+	/* no need to check if number of frags is less than max_bufs - 1 */
+	nr_frags = shinfo->nr_frags;
+	if (nr_frags < (max_bufs - 1))
+		return false;
+
+	/* We need to walk through the list and validate that each group
+	 * of max_bufs-2 fragments totals at least gso_size.
+	 */
+	nr_frags -= max_bufs - 2;
+	frag = &shinfo->frags[0];
+
+	/* Initialize size to the negative value of gso_size minus 1.  We use
+	 * this as the worst case scenario in which the frag ahead of us only
+	 * provides one byte which is why we are limited to max_bufs-2
+	 * descriptors for a single transmit as the header and previous
+	 * fragment are already consuming 2 descriptors.
+	 */
+	sum = 1 - shinfo->gso_size;
+
+	/* Add size of frags 0 through 4 to create our initial sum */
+	sum += skb_frag_size(frag++);
+	sum += skb_frag_size(frag++);
+	sum += skb_frag_size(frag++);
+	sum += skb_frag_size(frag++);
+	sum += skb_frag_size(frag++);
+
+	/* Walk through fragments adding latest fragment, testing it, and
+	 * then removing stale fragments from the sum.
+	 */
+	for (stale = &shinfo->frags[0];; stale++) {
+		int stale_size = skb_frag_size(stale);
+
+		sum += skb_frag_size(frag++);
+
+		/* The stale fragment may present us with a smaller
+		 * descriptor than the actual fragment size. To account
+		 * for that we need to remove all the data on the front and
+		 * figure out what the remainder would be in the last
+		 * descriptor associated with the fragment.
+		 */
+		if (stale_size > IDPF_TX_MAX_DESC_DATA) {
+			int align_pad = -(skb_frag_off(stale)) &
+					(IDPF_TX_MAX_READ_REQ_SIZE - 1);
+
+			sum -= align_pad;
+			stale_size -= align_pad;
+
+			do {
+				sum -= IDPF_TX_MAX_DESC_DATA_ALIGNED;
+				stale_size -= IDPF_TX_MAX_DESC_DATA_ALIGNED;
+			} while (stale_size > IDPF_TX_MAX_DESC_DATA);
+		}
+
+		/* if sum is negative we failed to make sufficient progress */
+		if (sum < 0)
+			return true;
+
+		if (!nr_frags--)
+			break;
+
+		sum -= stale_size;
+	}
+
+	return false;
+}
+
+/**
+ * idpf_chk_linearize - Check if skb exceeds max descriptors per packet
+ * @skb: send buffer
+ * @max_bufs: maximum scatter gather buffers for single packet
+ * @count: number of buffers this packet needs
+ *
+ * Make sure we don't exceed maximum scatter gather buffers for a single
+ * packet. We have to do some special checking around the boundary (max_bufs-1)
+ * if TSO is on since we need count the TSO header and payload separately.
+ * E.g.: a packet with 7 fragments can require 9 DMA transactions; 1 for TSO
+ * header, 1 for segment payload, and then 7 for the fragments.
+ */
+static bool idpf_chk_linearize(struct sk_buff *skb, unsigned int max_bufs,
+			       unsigned int count)
+{
+	if (likely(count < max_bufs))
+		return false;
+	if (skb_is_gso(skb))
+		return __idpf_chk_linearize(skb, max_bufs);
+
+	return count > max_bufs;
+}
+
+/**
+ * idpf_tx_splitq_get_ctx_desc - grab next desc and update buffer ring
+ * @txq: queue to put context descriptor on
+ *
+ * Since the TX buffer rings mimics the descriptor ring, update the tx buffer
+ * ring entry to reflect that this index is a context descriptor
+ */
+static struct idpf_flex_tx_ctx_desc *
+idpf_tx_splitq_get_ctx_desc(struct idpf_queue *txq)
+{
+	struct idpf_flex_tx_ctx_desc *desc;
+	int i = txq->next_to_use;
+
+	memset(&txq->tx_buf[i], 0, sizeof(struct idpf_tx_buf));
+	txq->tx_buf[i].compl_tag = IDPF_SPLITQ_TX_INVAL_COMPL_TAG;
+
+	/* grab the next descriptor */
+	desc = IDPF_FLEX_TX_CTX_DESC(txq, i);
+	txq->next_to_use = idpf_tx_splitq_bump_ntu(txq, i);
+
+	return desc;
+}
+
+/**
+ * idpf_tx_drop_skb - free the SKB and bump tail if necessary
+ * @tx_q: queue to send buffer on
+ * @skb: pointer to skb
+ */
+static netdev_tx_t idpf_tx_drop_skb(struct idpf_queue *tx_q,
+				    struct sk_buff *skb)
+{
+	u64_stats_update_begin(&tx_q->stats_sync);
+	u64_stats_inc(&tx_q->q_stats.tx.skb_drops);
+	u64_stats_update_end(&tx_q->stats_sync);
+
+	idpf_tx_buf_hw_update(tx_q, tx_q->next_to_use, false);
+
+	dev_kfree_skb(skb);
+
+	return NETDEV_TX_OK;
+}
+
+/**
+ * idpf_tx_splitq_frame - Sends buffer on Tx ring using flex descriptors
+ * @skb: send buffer
+ * @tx_q: queue to send buffer on
+ *
+ * Returns NETDEV_TX_OK if sent, else an error code
+ */
+static netdev_tx_t idpf_tx_splitq_frame(struct sk_buff *skb,
+					struct idpf_queue *tx_q)
+{
+	struct idpf_tx_splitq_params tx_params = { };
+	struct idpf_tx_buf *first;
+	unsigned int count;
+	int tso;
+
+	count = idpf_tx_desc_count_required(skb);
+	if (idpf_chk_linearize(skb, tx_q->tx_max_bufs, count)) {
+		if (__skb_linearize(skb))
+			return idpf_tx_drop_skb(tx_q, skb);
+
+		count = idpf_size_to_txd_count(skb->len);
+		u64_stats_update_begin(&tx_q->stats_sync);
+		u64_stats_inc(&tx_q->q_stats.tx.linearize);
+		u64_stats_update_end(&tx_q->stats_sync);
+	}
+
+	tso = idpf_tso(skb, &tx_params.offload);
+	if (unlikely(tso < 0))
+		return idpf_tx_drop_skb(tx_q, skb);
+
+	/* Check for splitq specific TX resources */
+	count += (IDPF_TX_DESCS_PER_CACHE_LINE + tso);
+	if (idpf_tx_maybe_stop_splitq(tx_q, count)) {
+		idpf_tx_buf_hw_update(tx_q, tx_q->next_to_use, false);
+
+		return NETDEV_TX_BUSY;
+	}
+
+	if (tso) {
+		/* If tso is needed, set up context desc */
+		struct idpf_flex_tx_ctx_desc *ctx_desc =
+			idpf_tx_splitq_get_ctx_desc(tx_q);
+
+		ctx_desc->tso.qw1.cmd_dtype =
+				cpu_to_le16(IDPF_TX_DESC_DTYPE_FLEX_TSO_CTX |
+					    IDPF_TX_FLEX_CTX_DESC_CMD_TSO);
+		ctx_desc->tso.qw0.flex_tlen =
+				cpu_to_le32(tx_params.offload.tso_len &
+					    IDPF_TXD_FLEX_CTX_TLEN_M);
+		ctx_desc->tso.qw0.mss_rt =
+				cpu_to_le16(tx_params.offload.mss &
+					    IDPF_TXD_FLEX_CTX_MSS_RT_M);
+		ctx_desc->tso.qw0.hdr_len = tx_params.offload.tso_hdr_len;
+
+		u64_stats_update_begin(&tx_q->stats_sync);
+		u64_stats_inc(&tx_q->q_stats.tx.lso_pkts);
+		u64_stats_update_end(&tx_q->stats_sync);
+	}
+
+	/* record the location of the first descriptor for this packet */
+	first = &tx_q->tx_buf[tx_q->next_to_use];
+	first->skb = skb;
+
+	if (tso) {
+		first->gso_segs = tx_params.offload.tso_segs;
+		first->bytecount = skb->len +
+			((first->gso_segs - 1) * tx_params.offload.tso_hdr_len);
+	} else {
+		first->gso_segs = 1;
+		first->bytecount = max_t(unsigned int, skb->len, ETH_ZLEN);
+	}
+
+	if (test_bit(__IDPF_Q_FLOW_SCH_EN, tx_q->flags)) {
+		tx_params.dtype = IDPF_TX_DESC_DTYPE_FLEX_FLOW_SCHE;
+		tx_params.eop_cmd = IDPF_TXD_FLEX_FLOW_CMD_EOP;
+		/* Set the RE bit to catch any packets that may have not been
+		 * stashed during RS completion cleaning. MIN_GAP is set to
+		 * MIN_RING size to ensure it will be set at least once each
+		 * time around the ring.
+		 */
+		if (!(tx_q->next_to_use % IDPF_TX_SPLITQ_RE_MIN_GAP)) {
+			tx_params.eop_cmd |= IDPF_TXD_FLEX_FLOW_CMD_RE;
+			tx_q->txq_grp->num_completions_pending++;
+		}
+
+		if (skb->ip_summed == CHECKSUM_PARTIAL)
+			tx_params.offload.td_cmd |= IDPF_TXD_FLEX_FLOW_CMD_CS_EN;
+
+	} else {
+		tx_params.dtype = IDPF_TX_DESC_DTYPE_FLEX_L2TAG1_L2TAG2;
+		tx_params.eop_cmd = IDPF_TXD_LAST_DESC_CMD;
+
+		if (skb->ip_summed == CHECKSUM_PARTIAL)
+			tx_params.offload.td_cmd |= IDPF_TX_FLEX_DESC_CMD_CS_EN;
+	}
+
+	idpf_tx_splitq_map(tx_q, &tx_params, first);
+
+	return NETDEV_TX_OK;
+}
+
+/**
+ * idpf_tx_splitq_start - Selects the right Tx queue to send buffer
+ * @skb: send buffer
+ * @netdev: network interface device structure
+ *
+ * Returns NETDEV_TX_OK if sent, else an error code
+ */
+netdev_tx_t idpf_tx_splitq_start(struct sk_buff *skb,
+				 struct net_device *netdev)
+{
+	struct idpf_vport *vport = idpf_netdev_to_vport(netdev);
+	struct idpf_queue *tx_q;
+
+	if (unlikely(skb_get_queue_mapping(skb) >= vport->num_txq)) {
+		dev_kfree_skb_any(skb);
+
+		return NETDEV_TX_OK;
+	}
+
+	tx_q = vport->txqs[skb_get_queue_mapping(skb)];
+
+	/* hardware can't handle really short frames, hardware padding works
+	 * beyond this point
+	 */
+	if (skb_put_padto(skb, tx_q->tx_min_pkt_len)) {
+		idpf_tx_buf_hw_update(tx_q, tx_q->next_to_use, false);
+
+		return NETDEV_TX_OK;
+	}
+
+	return idpf_tx_splitq_frame(skb, tx_q);
+}
+
 /**
  * idpf_vport_intr_clean_queues - MSIX mode Interrupt Handler
  * @irq: interrupt number
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.h b/drivers/net/ethernet/intel/idpf/idpf_txrx.h
index 7d9e3cc7ace6..5cfe52c54b8a 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.h
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.h
@@ -1,6 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /* Copyright (C) 2023 Intel Corporation */
 
+#include <net/tcp.h>
+
 #ifndef _IDPF_TXRX_H_
 #define _IDPF_TXRX_H_
 
@@ -55,7 +57,7 @@
  */
 #define IDPF_RX_BUFQ_DESC_COUNT(RXD, NUM_BUFQ)	((RXD) / (NUM_BUFQ))
 
-#define IDPF_RX_BUFQ_WORKING_SET(R)		((R)->desc_count - 1)
+#define IDPF_RX_BUFQ_WORKING_SET(rxq)		((rxq)->desc_count - 1)
 
 #define IDPF_RX_BUF_2048			2048
 #define IDPF_RX_BUF_4096			4096
@@ -65,16 +67,59 @@
 #define IDPF_PACKET_HDR_PAD	\
 	(ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN * 2)
 
-#define IDPF_SINGLEQ_RX_BUF_DESC(R, i)	\
-	(&(((struct virtchnl2_singleq_rx_buf_desc *)((R)->desc_ring))[i]))
-#define IDPF_SPLITQ_RX_BUF_DESC(R, i)	\
-	(&(((struct virtchnl2_splitq_rx_buf_desc *)((R)->desc_ring))[i]))
+/* Minimum number of descriptors between 2 descriptors with the RE bit set;
+ * only relevant in flow scheduling mode
+ */
+#define IDPF_TX_SPLITQ_RE_MIN_GAP	64
+
+#define IDPF_SINGLEQ_RX_BUF_DESC(rxq, i)	\
+	(&(((struct virtchnl2_singleq_rx_buf_desc *)((rxq)->desc_ring))[i]))
+#define IDPF_SPLITQ_RX_BUF_DESC(rxq, i)	\
+	(&(((struct virtchnl2_splitq_rx_buf_desc *)((rxq)->desc_ring))[i]))
+
+#define IDPF_FLEX_TX_DESC(txq, i) \
+	(&(((union idpf_tx_flex_desc *)((txq)->desc_ring))[i]))
+#define IDPF_FLEX_TX_CTX_DESC(txq, i)	\
+	(&(((struct idpf_flex_tx_ctx_desc *)((txq)->desc_ring))[i]))
+
+#define IDPF_DESC_UNUSED(txq)     \
+	((((txq)->next_to_clean > (txq)->next_to_use) ? 0 : (txq)->desc_count) + \
+	(txq)->next_to_clean - (txq)->next_to_use - 1)
+
+#define IDPF_TX_BUF_RSV_UNUSED(txq)	((txq)->buf_stack.top)
+#define IDPF_TX_BUF_RSV_LOW(txq)	(IDPF_TX_BUF_RSV_UNUSED(txq) < \
+					 (txq)->desc_count >> 2)
+
+#define IDPF_TX_COMPLQ_OVERFLOW_THRESH(txcq)	((txcq)->desc_count >> 1)
+/* Determine the absolute number of completions pending, i.e. the number of
+ * completions that are expected to arrive on the TX completion queue.
+ */
+#define IDPF_TX_COMPLQ_PENDING(txq)	\
+	(((txq)->num_completions_pending >= (txq)->complq->num_completions ? \
+	0 : U64_MAX) + \
+	(txq)->num_completions_pending - (txq)->complq->num_completions)
 
 #define IDPF_TX_SPLITQ_COMPL_TAG_WIDTH	16
+/* Adjust the generation for the completion tag and wrap if necessary */
+#define IDPF_TX_ADJ_COMPL_TAG_GEN(txq) \
+	((++(txq)->compl_tag_cur_gen) >= (txq)->compl_tag_gen_max ? \
+	0 : (txq)->compl_tag_cur_gen)
+
+#define IDPF_TXD_LAST_DESC_CMD (IDPF_TX_DESC_CMD_EOP | IDPF_TX_DESC_CMD_RS)
 
-#define IDPF_TX_MIN_LEN			17
+union idpf_tx_flex_desc {
+	struct idpf_flex_tx_desc q; /* queue based scheduling */
+	struct idpf_flex_tx_sched_desc flow; /* flow based scheduling */
+};
 
 struct idpf_tx_buf {
+	void *next_to_watch;
+	struct sk_buff *skb;
+	DEFINE_DMA_UNMAP_ADDR(dma);
+	DEFINE_DMA_UNMAP_LEN(len);
+	unsigned int bytecount;
+	unsigned short gso_segs;
+
 	union {
 		/* Splitq only: Unique identifier for a buffer; used to compare
 		 * with completion tag returned in buffer completion event.
@@ -108,6 +153,49 @@ struct idpf_buf_lifo {
 	struct idpf_tx_stash **bufs;
 };
 
+struct idpf_tx_offload_params {
+#define IDPF_TX_FLAGS_TSO			BIT(0)
+	u32 tx_flags;
+
+	u32 tso_len;	/* total length of payload to segment */
+	u16 mss;
+	u16 tso_segs;	/* Number of segments to be sent */
+	u16 tso_hdr_len;	/* length of headers to be duplicated */
+
+	u16 td_cmd;	/* command field to be inserted into descriptor */
+};
+
+struct idpf_tx_splitq_params {
+	/* General descriptor info */
+	enum idpf_tx_desc_dtype_value dtype;
+	u16 eop_cmd;
+	union {
+		u16 compl_tag; /* only relevant for flow scheduling */
+		u16 td_tag; /* only relevant for queue scheduling */
+	};
+
+	struct idpf_tx_offload_params offload;
+};
+
+#define IDPF_TX_MIN_PKT_LEN		17
+#define IDPF_TX_DESCS_FOR_SKB_DATA_PTR	1
+#define IDPF_TX_DESCS_PER_CACHE_LINE	(L1_CACHE_BYTES / \
+					 sizeof(struct idpf_flex_tx_desc))
+#define IDPF_TX_DESCS_FOR_CTX		1
+/* TX descriptors needed, worst case */
+#define IDPF_TX_DESC_NEEDED (MAX_SKB_FRAGS + IDPF_TX_DESCS_FOR_CTX + \
+			     IDPF_TX_DESCS_PER_CACHE_LINE + \
+			     IDPF_TX_DESCS_FOR_SKB_DATA_PTR)
+
+/* The size limit for a transmit buffer in a descriptor is (16K - 1).
+ * In order to align with the read requests we will align the value to
+ * the nearest 4K which represents our maximum read request size.
+ */
+#define IDPF_TX_MAX_READ_REQ_SIZE	SZ_4K
+#define IDPF_TX_MAX_DESC_DATA		(SZ_16K - 1)
+#define IDPF_TX_MAX_DESC_DATA_ALIGNED \
+	ALIGN_DOWN(IDPF_TX_MAX_DESC_DATA, IDPF_TX_MAX_READ_REQ_SIZE)
+
 #define IDPF_RX_DMA_ATTR \
 	(DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING)
 
@@ -299,6 +387,23 @@ struct idpf_q_vector {
 	char name[IDPF_INT_NAME_STR_LEN];
 };
 
+struct idpf_rx_queue_stats {
+	/* stub */
+};
+
+struct idpf_tx_queue_stats {
+	u64_stats_t lso_pkts;
+	u64_stats_t linearize;
+	u64_stats_t q_busy;
+	u64_stats_t skb_drops;
+	u64_stats_t dma_map_errs;
+};
+
+union idpf_queue_stats {
+	struct idpf_rx_queue_stats rx;
+	struct idpf_tx_queue_stats tx;
+};
+
 #define IDPF_ITR_DYNAMIC	1
 #define IDPF_ITR_20K		0x0032
 #define IDPF_ITR_TX_DEF		IDPF_ITR_20K
@@ -351,6 +456,9 @@ struct idpf_queue {
 	/* Generation bit check stored, as HW flips the bit at Queue end */
 	DECLARE_BITMAP(flags, __IDPF_Q_FLAGS_NBITS);
 
+	union idpf_queue_stats q_stats;
+	struct u64_stats_sync stats_sync;
+
 	bool rx_hsplit_en;
 	u16 rx_hbuf_size;	/* Header buffer size */
 	u16 rx_buf_size;
@@ -371,6 +479,13 @@ struct idpf_queue {
 					 */
 	u8 tx_min_pkt_len;		/* Min supported packet length */
 
+	u32 num_completions;		/* Only relevant for tx completion
+					 * queue; tracks the number of
+					 * completions received to compare
+					 * against the number of completions
+					 * pending, as accumulated by the TXQs
+					 */
+
 	/* Flow based scheduling related fields only */
 	struct idpf_buf_lifo buf_stack;	/* Stack of empty buffers to store
 					 * buffer info for out of order
@@ -490,9 +605,45 @@ struct idpf_txq_group {
 	/* Total number of completions pending for the completion queue,
 	 * acculumated for all txqs associated with that completion queue
 	 */
-	u64 num_completions_pending;
+	u32 num_completions_pending;
 };
 
+/**
+ * idpf_size_to_txd_count - Get number of descriptors needed for large Tx frag
+ * @size: transmit request size in bytes
+ *
+ * In the case where a large frag (>= 16K) needs to be split across multiple
+ * descriptors, we need to assume that we can have no more than 12K of data
+ * per descriptor due to hardware alignment restrictions (4K alignment).
+ */
+static inline u32 idpf_size_to_txd_count(unsigned int size)
+{
+	return DIV_ROUND_UP(size, IDPF_TX_MAX_DESC_DATA_ALIGNED);
+}
+
+void idpf_tx_splitq_build_ctb(union idpf_tx_flex_desc *desc,
+			      struct idpf_tx_splitq_params *parms,
+			      u16 td_cmd, u16 size);
+void idpf_tx_splitq_build_flow_desc(union idpf_tx_flex_desc *desc,
+				    struct idpf_tx_splitq_params *parms,
+				    u16 td_cmd, u16 size);
+/**
+ * idpf_tx_splitq_build_desc - determine which type of data descriptor to build
+ * @desc: descriptor to populate
+ * @parms: pointer to tx params struct
+ * @td_cmd: command to be filled in desc
+ * @size: size of buffer
+ */
+static inline void idpf_tx_splitq_build_desc(union idpf_tx_flex_desc *desc,
+					     struct idpf_tx_splitq_params *parms,
+					     u16 td_cmd, u16 size)
+{
+	if (parms->dtype == IDPF_TX_DESC_DTYPE_FLEX_L2TAG1_L2TAG2)
+		idpf_tx_splitq_build_ctb(desc, parms, td_cmd, size);
+	else
+		idpf_tx_splitq_build_flow_desc(desc, parms, td_cmd, size);
+}
+
 int idpf_vport_singleq_napi_poll(struct napi_struct *napi, int budget);
 void idpf_vport_init_num_qs(struct idpf_vport *vport,
 			    struct virtchnl2_create_vport *vport_msg);
@@ -512,6 +663,8 @@ int idpf_init_rss(struct idpf_vport *vport);
 void idpf_deinit_rss(struct idpf_vport *vport);
 bool idpf_init_rx_buf_hw_alloc(struct idpf_queue *rxq, struct idpf_rx_buf *buf);
 void idpf_rx_buf_hw_update(struct idpf_queue *rxq, u32 val);
+netdev_tx_t idpf_tx_splitq_start(struct sk_buff *skb,
+				 struct net_device *netdev);
 bool idpf_rx_singleq_buf_hw_alloc_all(struct idpf_queue *rxq,
 				      u16 cleaned_count);
 
