Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 1805 insertions, 0 deletions

diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
new file mode 100644
index 000000000..cb1746bc0
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -0,0 +1,1805 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/* QLogic qede NIC Driver
+ * Copyright (c) 2015-2017  QLogic Corporation
+ * Copyright (c) 2019-2020 Marvell International Ltd.
+ */
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/bpf_trace.h>
+#include <net/udp_tunnel.h>
+#include <linux/ip.h>
+#include <net/gro.h>
+#include <net/ipv6.h>
+#include <net/tcp.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <net/ip6_checksum.h>
+#include "qede_ptp.h"
+
+#include <linux/qed/qed_if.h>
+#include "qede.h"
+/*********************************
+ * Content also used by slowpath *
+ *********************************/
+
+int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy)
+{
+	struct sw_rx_data *sw_rx_data;
+	struct eth_rx_bd *rx_bd;
+	dma_addr_t mapping;
+	struct page *data;
+
+	/* In case lazy-allocation is allowed, postpone allocation until the
+	 * end of the NAPI run. We'd still need to make sure the Rx ring has
+	 * sufficient buffers to guarantee an additional Rx interrupt.
+	 */
+	if (allow_lazy && likely(rxq->filled_buffers > 12)) {
+		rxq->filled_buffers--;
+		return 0;
+	}
+
+	data = alloc_pages(GFP_ATOMIC, 0);
+	if (unlikely(!data))
+		return -ENOMEM;
+
+	/* Map the entire page as it would be used
+	 * for multiple RX buffer segment size mapping.
+	 */
+	mapping = dma_map_page(rxq->dev, data, 0,
+			       PAGE_SIZE, rxq->data_direction);
+	if (unlikely(dma_mapping_error(rxq->dev, mapping))) {
+		__free_page(data);
+		return -ENOMEM;
+	}
+
+	sw_rx_data = &rxq->sw_rx_ring[rxq->sw_rx_prod & NUM_RX_BDS_MAX];
+	sw_rx_data->page_offset = 0;
+	sw_rx_data->data = data;
+	sw_rx_data->mapping = mapping;
+
+	/* Advance PROD and get BD pointer */
+	rx_bd = (struct eth_rx_bd *)qed_chain_produce(&rxq->rx_bd_ring);
+	WARN_ON(!rx_bd);
+	rx_bd->addr.hi = cpu_to_le32(upper_32_bits(mapping));
+	rx_bd->addr.lo = cpu_to_le32(lower_32_bits(mapping) +
+				     rxq->rx_headroom);
+
+	rxq->sw_rx_prod++;
+	rxq->filled_buffers++;
+
+	return 0;
+}
+
+/* Unmap the data and free skb */
+int qede_free_tx_pkt(struct qede_dev *edev, struct qede_tx_queue *txq, int *len)
+{
+	u16 idx = txq->sw_tx_cons;
+	struct sk_buff *skb = txq->sw_tx_ring.skbs[idx].skb;
+	struct eth_tx_1st_bd *first_bd;
+	struct eth_tx_bd *tx_data_bd;
+	int bds_consumed = 0;
+	int nbds;
+	bool data_split = txq->sw_tx_ring.skbs[idx].flags & QEDE_TSO_SPLIT_BD;
+	int i, split_bd_len = 0;
+
+	if (unlikely(!skb)) {
+		DP_ERR(edev,
+		       "skb is null for txq idx=%d txq->sw_tx_cons=%d txq->sw_tx_prod=%d\n",
+		       idx, txq->sw_tx_cons, txq->sw_tx_prod);
+		return -1;
+	}
+
+	*len = skb->len;
+
+	first_bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl);
+
+	bds_consumed++;
+
+	nbds = first_bd->data.nbds;
+
+	if (data_split) {
+		struct eth_tx_bd *split = (struct eth_tx_bd *)
+			qed_chain_consume(&txq->tx_pbl);
+		split_bd_len = BD_UNMAP_LEN(split);
+		bds_consumed++;
+	}
+	dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(first_bd),
+			 BD_UNMAP_LEN(first_bd) + split_bd_len, DMA_TO_DEVICE);
+
+	/* Unmap the data of the skb frags */
+	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++, bds_consumed++) {
+		tx_data_bd = (struct eth_tx_bd *)
+			qed_chain_consume(&txq->tx_pbl);
+		dma_unmap_page(&edev->pdev->dev, BD_UNMAP_ADDR(tx_data_bd),
+			       BD_UNMAP_LEN(tx_data_bd), DMA_TO_DEVICE);
+	}
+
+	while (bds_consumed++ < nbds)
+		qed_chain_consume(&txq->tx_pbl);
+
+	/* Free skb */
+	dev_kfree_skb_any(skb);
+	txq->sw_tx_ring.skbs[idx].skb = NULL;
+	txq->sw_tx_ring.skbs[idx].flags = 0;
+
+	return 0;
+}
+
+/* Unmap the data and free skb when mapping failed during start_xmit */
+static void qede_free_failed_tx_pkt(struct qede_tx_queue *txq,
+				    struct eth_tx_1st_bd *first_bd,
+				    int nbd, bool data_split)
+{
+	u16 idx = txq->sw_tx_prod;
+	struct sk_buff *skb = txq->sw_tx_ring.skbs[idx].skb;
+	struct eth_tx_bd *tx_data_bd;
+	int i, split_bd_len = 0;
+
+	/* Return prod to its position before this skb was handled */
+	qed_chain_set_prod(&txq->tx_pbl,
+			   le16_to_cpu(txq->tx_db.data.bd_prod), first_bd);
+
+	first_bd = (struct eth_tx_1st_bd *)qed_chain_produce(&txq->tx_pbl);
+
+	if (data_split) {
+		struct eth_tx_bd *split = (struct eth_tx_bd *)
+					  qed_chain_produce(&txq->tx_pbl);
+		split_bd_len = BD_UNMAP_LEN(split);
+		nbd--;
+	}
+
+	dma_unmap_single(txq->dev, BD_UNMAP_ADDR(first_bd),
+			 BD_UNMAP_LEN(first_bd) + split_bd_len, DMA_TO_DEVICE);
+
+	/* Unmap the data of the skb frags */
+	for (i = 0; i < nbd; i++) {
+		tx_data_bd = (struct eth_tx_bd *)
+			qed_chain_produce(&txq->tx_pbl);
+		if (tx_data_bd->nbytes)
+			dma_unmap_page(txq->dev,
+				       BD_UNMAP_ADDR(tx_data_bd),
+				       BD_UNMAP_LEN(tx_data_bd), DMA_TO_DEVICE);
+	}
+
+	/* Return again prod to its position before this skb was handled */
+	qed_chain_set_prod(&txq->tx_pbl,
+			   le16_to_cpu(txq->tx_db.data.bd_prod), first_bd);
+
+	/* Free skb */
+	dev_kfree_skb_any(skb);
+	txq->sw_tx_ring.skbs[idx].skb = NULL;
+	txq->sw_tx_ring.skbs[idx].flags = 0;
+}
+
+static u32 qede_xmit_type(struct sk_buff *skb, int *ipv6_ext)
+{
+	u32 rc = XMIT_L4_CSUM;
+	__be16 l3_proto;
+
+	if (skb->ip_summed != CHECKSUM_PARTIAL)
+		return XMIT_PLAIN;
+
+	l3_proto = vlan_get_protocol(skb);
+	if (l3_proto == htons(ETH_P_IPV6) &&
+	    (ipv6_hdr(skb)->nexthdr == NEXTHDR_IPV6))
+		*ipv6_ext = 1;
+
+	if (skb->encapsulation) {
+		rc |= XMIT_ENC;
+		if (skb_is_gso(skb)) {
+			unsigned short gso_type = skb_shinfo(skb)->gso_type;
+
+			if ((gso_type & SKB_GSO_UDP_TUNNEL_CSUM) ||
+			    (gso_type & SKB_GSO_GRE_CSUM))
+				rc |= XMIT_ENC_GSO_L4_CSUM;
+
+			rc |= XMIT_LSO;
+			return rc;
+		}
+	}
+
+	if (skb_is_gso(skb))
+		rc |= XMIT_LSO;
+
+	return rc;
+}
+
+static void qede_set_params_for_ipv6_ext(struct sk_buff *skb,
+					 struct eth_tx_2nd_bd *second_bd,
+					 struct eth_tx_3rd_bd *third_bd)
+{
+	u8 l4_proto;
+	u16 bd2_bits1 = 0, bd2_bits2 = 0;
+
+	bd2_bits1 |= (1 << ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT);
+
+	bd2_bits2 |= ((((u8 *)skb_transport_header(skb) - skb->data) >> 1) &
+		     ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK)
+		    << ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT;
+
+	bd2_bits1 |= (ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH <<
+		      ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT);
+
+	if (vlan_get_protocol(skb) == htons(ETH_P_IPV6))
+		l4_proto = ipv6_hdr(skb)->nexthdr;
+	else
+		l4_proto = ip_hdr(skb)->protocol;
+
+	if (l4_proto == IPPROTO_UDP)
+		bd2_bits1 |= 1 << ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT;
+
+	if (third_bd)
+		third_bd->data.bitfields |=
+			cpu_to_le16(((tcp_hdrlen(skb) / 4) &
+				ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK) <<
+				ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT);
+
+	second_bd->data.bitfields1 = cpu_to_le16(bd2_bits1);
+	second_bd->data.bitfields2 = cpu_to_le16(bd2_bits2);
+}
+
+static int map_frag_to_bd(struct qede_tx_queue *txq,
+			  skb_frag_t *frag, struct eth_tx_bd *bd)
+{
+	dma_addr_t mapping;
+
+	/* Map skb non-linear frag data for DMA */
+	mapping = skb_frag_dma_map(txq->dev, frag, 0,
+				   skb_frag_size(frag), DMA_TO_DEVICE);
+	if (unlikely(dma_mapping_error(txq->dev, mapping)))
+		return -ENOMEM;
+
+	/* Setup the data pointer of the frag data */
+	BD_SET_UNMAP_ADDR_LEN(bd, mapping, skb_frag_size(frag));
+
+	return 0;
+}
+
+static u16 qede_get_skb_hlen(struct sk_buff *skb, bool is_encap_pkt)
+{
+	if (is_encap_pkt)
+		return skb_inner_tcp_all_headers(skb);
+
+	return skb_tcp_all_headers(skb);
+}
+
+/* +2 for 1st BD for headers and 2nd BD for headlen (if required) */
+#if ((MAX_SKB_FRAGS + 2) > ETH_TX_MAX_BDS_PER_NON_LSO_PACKET)
+static bool qede_pkt_req_lin(struct sk_buff *skb, u8 xmit_type)
+{
+	int allowed_frags = ETH_TX_MAX_BDS_PER_NON_LSO_PACKET - 1;
+
+	if (xmit_type & XMIT_LSO) {
+		int hlen;
+
+		hlen = qede_get_skb_hlen(skb, xmit_type & XMIT_ENC);
+
+		/* linear payload would require its own BD */
+		if (skb_headlen(skb) > hlen)
+			allowed_frags--;
+	}
+
+	return (skb_shinfo(skb)->nr_frags > allowed_frags);
+}
+#endif
+
+static inline void qede_update_tx_producer(struct qede_tx_queue *txq)
+{
+	/* wmb makes sure that the BDs data is updated before updating the
+	 * producer, otherwise FW may read old data from the BDs.
+	 */
+	wmb();
+	barrier();
+	writel(txq->tx_db.raw, txq->doorbell_addr);
+
+	/* Fence required to flush the write combined buffer, since another
+	 * CPU may write to the same doorbell address and data may be lost
+	 * due to relaxed order nature of write combined bar.
+	 */
+	wmb();
+}
+
+static int qede_xdp_xmit(struct qede_tx_queue *txq, dma_addr_t dma, u16 pad,
+			 u16 len, struct page *page, struct xdp_frame *xdpf)
+{
+	struct eth_tx_1st_bd *bd;
+	struct sw_tx_xdp *xdp;
+	u16 val;
+
+	if (unlikely(qed_chain_get_elem_used(&txq->tx_pbl) >=
+		     txq->num_tx_buffers)) {
+		txq->stopped_cnt++;
+		return -ENOMEM;
+	}
+
+	bd = qed_chain_produce(&txq->tx_pbl);
+	bd->data.nbds = 1;
+	bd->data.bd_flags.bitfields = BIT(ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT);
+
+	val = (len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK) <<
+	       ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT;
+
+	bd->data.bitfields = cpu_to_le16(val);
+
+	/* We can safely ignore the offset, as it's 0 for XDP */
+	BD_SET_UNMAP_ADDR_LEN(bd, dma + pad, len);
+
+	xdp = txq->sw_tx_ring.xdp + txq->sw_tx_prod;
+	xdp->mapping = dma;
+	xdp->page = page;
+	xdp->xdpf = xdpf;
+
+	txq->sw_tx_prod = (txq->sw_tx_prod + 1) % txq->num_tx_buffers;
+
+	return 0;
+}
+
+int qede_xdp_transmit(struct net_device *dev, int n_frames,
+		      struct xdp_frame **frames, u32 flags)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+	struct device *dmadev = &edev->pdev->dev;
+	struct qede_tx_queue *xdp_tx;
+	struct xdp_frame *xdpf;
+	dma_addr_t mapping;
+	int i, nxmit = 0;
+	u16 xdp_prod;
+
+	if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))
+		return -EINVAL;
+
+	if (unlikely(!netif_running(dev)))
+		return -ENETDOWN;
+
+	i = smp_processor_id() % edev->total_xdp_queues;
+	xdp_tx = edev->fp_array[i].xdp_tx;
+
+	spin_lock(&xdp_tx->xdp_tx_lock);
+
+	for (i = 0; i < n_frames; i++) {
+		xdpf = frames[i];
+
+		mapping = dma_map_single(dmadev, xdpf->data, xdpf->len,
+					 DMA_TO_DEVICE);
+		if (unlikely(dma_mapping_error(dmadev, mapping)))
+			break;
+
+		if (unlikely(qede_xdp_xmit(xdp_tx, mapping, 0, xdpf->len,
+					   NULL, xdpf)))
+			break;
+		nxmit++;
+	}
+
+	if (flags & XDP_XMIT_FLUSH) {
+		xdp_prod = qed_chain_get_prod_idx(&xdp_tx->tx_pbl);
+
+		xdp_tx->tx_db.data.bd_prod = cpu_to_le16(xdp_prod);
+		qede_update_tx_producer(xdp_tx);
+	}
+
+	spin_unlock(&xdp_tx->xdp_tx_lock);
+
+	return nxmit;
+}
+
+int qede_txq_has_work(struct qede_tx_queue *txq)
+{
+	u16 hw_bd_cons;
+
+	/* Tell compiler that consumer and producer can change */
+	barrier();
+	hw_bd_cons = le16_to_cpu(*txq->hw_cons_ptr);
+	if (qed_chain_get_cons_idx(&txq->tx_pbl) == hw_bd_cons + 1)
+		return 0;
+
+	return hw_bd_cons != qed_chain_get_cons_idx(&txq->tx_pbl);
+}
+
+static void qede_xdp_tx_int(struct qede_dev *edev, struct qede_tx_queue *txq)
+{
+	struct sw_tx_xdp *xdp_info, *xdp_arr = txq->sw_tx_ring.xdp;
+	struct device *dev = &edev->pdev->dev;
+	struct xdp_frame *xdpf;
+	u16 hw_bd_cons;
+
+	hw_bd_cons = le16_to_cpu(*txq->hw_cons_ptr);
+	barrier();
+
+	while (hw_bd_cons != qed_chain_get_cons_idx(&txq->tx_pbl)) {
+		xdp_info = xdp_arr + txq->sw_tx_cons;
+		xdpf = xdp_info->xdpf;
+
+		if (xdpf) {
+			dma_unmap_single(dev, xdp_info->mapping, xdpf->len,
+					 DMA_TO_DEVICE);
+			xdp_return_frame(xdpf);
+
+			xdp_info->xdpf = NULL;
+		} else {
+			dma_unmap_page(dev, xdp_info->mapping, PAGE_SIZE,
+				       DMA_BIDIRECTIONAL);
+			__free_page(xdp_info->page);
+		}
+
+		qed_chain_consume(&txq->tx_pbl);
+		txq->sw_tx_cons = (txq->sw_tx_cons + 1) % txq->num_tx_buffers;
+		txq->xmit_pkts++;
+	}
+}
+
+static int qede_tx_int(struct qede_dev *edev, struct qede_tx_queue *txq)
+{
+	unsigned int pkts_compl = 0, bytes_compl = 0;
+	struct netdev_queue *netdev_txq;
+	u16 hw_bd_cons;
+	int rc;
+
+	netdev_txq = netdev_get_tx_queue(edev->ndev, txq->ndev_txq_id);
+
+	hw_bd_cons = le16_to_cpu(*txq->hw_cons_ptr);
+	barrier();
+
+	while (hw_bd_cons != qed_chain_get_cons_idx(&txq->tx_pbl)) {
+		int len = 0;
+
+		rc = qede_free_tx_pkt(edev, txq, &len);
+		if (rc) {
+			DP_NOTICE(edev, "hw_bd_cons = %d, chain_cons=%d\n",
+				  hw_bd_cons,
+				  qed_chain_get_cons_idx(&txq->tx_pbl));
+			break;
+		}
+
+		bytes_compl += len;
+		pkts_compl++;
+		txq->sw_tx_cons = (txq->sw_tx_cons + 1) % txq->num_tx_buffers;
+		txq->xmit_pkts++;
+	}
+
+	netdev_tx_completed_queue(netdev_txq, pkts_compl, bytes_compl);
+
+	/* Need to make the tx_bd_cons update visible to start_xmit()
+	 * before checking for netif_tx_queue_stopped().  Without the
+	 * memory barrier, there is a small possibility that
+	 * start_xmit() will miss it and cause the queue to be stopped
+	 * forever.
+	 * On the other hand we need an rmb() here to ensure the proper
+	 * ordering of bit testing in the following
+	 * netif_tx_queue_stopped(txq) call.
+	 */
+	smp_mb();
+
+	if (unlikely(netif_tx_queue_stopped(netdev_txq))) {
+		/* Taking tx_lock is needed to prevent reenabling the queue
+		 * while it's empty. This could have happen if rx_action() gets
+		 * suspended in qede_tx_int() after the condition before
+		 * netif_tx_wake_queue(), while tx_action (qede_start_xmit()):
+		 *
+		 * stops the queue->sees fresh tx_bd_cons->releases the queue->
+		 * sends some packets consuming the whole queue again->
+		 * stops the queue
+		 */
+
+		__netif_tx_lock(netdev_txq, smp_processor_id());
+
+		if ((netif_tx_queue_stopped(netdev_txq)) &&
+		    (edev->state == QEDE_STATE_OPEN) &&
+		    (qed_chain_get_elem_left(&txq->tx_pbl)
+		      >= (MAX_SKB_FRAGS + 1))) {
+			netif_tx_wake_queue(netdev_txq);
+			DP_VERBOSE(edev, NETIF_MSG_TX_DONE,
+				   "Wake queue was called\n");
+		}
+
+		__netif_tx_unlock(netdev_txq);
+	}
+
+	return 0;
+}
+
+bool qede_has_rx_work(struct qede_rx_queue *rxq)
+{
+	u16 hw_comp_cons, sw_comp_cons;
+
+	/* Tell compiler that status block fields can change */
+	barrier();
+
+	hw_comp_cons = le16_to_cpu(*rxq->hw_cons_ptr);
+	sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring);
+
+	return hw_comp_cons != sw_comp_cons;
+}
+
+static inline void qede_rx_bd_ring_consume(struct qede_rx_queue *rxq)
+{
+	qed_chain_consume(&rxq->rx_bd_ring);
+	rxq->sw_rx_cons++;
+}
+
+/* This function reuses the buffer(from an offset) from
+ * consumer index to producer index in the bd ring
+ */
+static inline void qede_reuse_page(struct qede_rx_queue *rxq,
+				   struct sw_rx_data *curr_cons)
+{
+	struct eth_rx_bd *rx_bd_prod = qed_chain_produce(&rxq->rx_bd_ring);
+	struct sw_rx_data *curr_prod;
+	dma_addr_t new_mapping;
+
+	curr_prod = &rxq->sw_rx_ring[rxq->sw_rx_prod & NUM_RX_BDS_MAX];
+	*curr_prod = *curr_cons;
+
+	new_mapping = curr_prod->mapping + curr_prod->page_offset;
+
+	rx_bd_prod->addr.hi = cpu_to_le32(upper_32_bits(new_mapping));
+	rx_bd_prod->addr.lo = cpu_to_le32(lower_32_bits(new_mapping) +
+					  rxq->rx_headroom);
+
+	rxq->sw_rx_prod++;
+	curr_cons->data = NULL;
+}
+
+/* In case of allocation failures reuse buffers
+ * from consumer index to produce buffers for firmware
+ */
+void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, u8 count)
+{
+	struct sw_rx_data *curr_cons;
+
+	for (; count > 0; count--) {
+		curr_cons = &rxq->sw_rx_ring[rxq->sw_rx_cons & NUM_RX_BDS_MAX];
+		qede_reuse_page(rxq, curr_cons);
+		qede_rx_bd_ring_consume(rxq);
+	}
+}
+
+static inline int qede_realloc_rx_buffer(struct qede_rx_queue *rxq,
+					 struct sw_rx_data *curr_cons)
+{
+	/* Move to the next segment in the page */
+	curr_cons->page_offset += rxq->rx_buf_seg_size;
+
+	if (curr_cons->page_offset == PAGE_SIZE) {
+		if (unlikely(qede_alloc_rx_buffer(rxq, true))) {
+			/* Since we failed to allocate new buffer
+			 * current buffer can be used again.
+			 */
+			curr_cons->page_offset -= rxq->rx_buf_seg_size;
+
+			return -ENOMEM;
+		}
+
+		dma_unmap_page(rxq->dev, curr_cons->mapping,
+			       PAGE_SIZE, rxq->data_direction);
+	} else {
+		/* Increment refcount of the page as we don't want
+		 * network stack to take the ownership of the page
+		 * which can be recycled multiple times by the driver.
+		 */
+		page_ref_inc(curr_cons->data);
+		qede_reuse_page(rxq, curr_cons);
+	}
+
+	return 0;
+}
+
+void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq)
+{
+	u16 bd_prod = qed_chain_get_prod_idx(&rxq->rx_bd_ring);
+	u16 cqe_prod = qed_chain_get_prod_idx(&rxq->rx_comp_ring);
+	struct eth_rx_prod_data rx_prods = {0};
+
+	/* Update producers */
+	rx_prods.bd_prod = cpu_to_le16(bd_prod);
+	rx_prods.cqe_prod = cpu_to_le16(cqe_prod);
+
+	/* Make sure that the BD and SGE data is updated before updating the
+	 * producers since FW might read the BD/SGE right after the producer
+	 * is updated.
+	 */
+	wmb();
+
+	internal_ram_wr(rxq->hw_rxq_prod_addr, sizeof(rx_prods),
+			(u32 *)&rx_prods);
+}
+
+static void qede_get_rxhash(struct sk_buff *skb, u8 bitfields, __le32 rss_hash)
+{
+	enum pkt_hash_types hash_type = PKT_HASH_TYPE_NONE;
+	enum rss_hash_type htype;
+	u32 hash = 0;
+
+	htype = GET_FIELD(bitfields, ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE);
+	if (htype) {
+		hash_type = ((htype == RSS_HASH_TYPE_IPV4) ||
+			     (htype == RSS_HASH_TYPE_IPV6)) ?
+			    PKT_HASH_TYPE_L3 : PKT_HASH_TYPE_L4;
+		hash = le32_to_cpu(rss_hash);
+	}
+	skb_set_hash(skb, hash, hash_type);
+}
+
+static void qede_set_skb_csum(struct sk_buff *skb, u8 csum_flag)
+{
+	skb_checksum_none_assert(skb);
+
+	if (csum_flag & QEDE_CSUM_UNNECESSARY)
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+	if (csum_flag & QEDE_TUNN_CSUM_UNNECESSARY) {
+		skb->csum_level = 1;
+		skb->encapsulation = 1;
+	}
+}
+
+static inline void qede_skb_receive(struct qede_dev *edev,
+				    struct qede_fastpath *fp,
+				    struct qede_rx_queue *rxq,
+				    struct sk_buff *skb, u16 vlan_tag)
+{
+	if (vlan_tag)
+		__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
+
+	napi_gro_receive(&fp->napi, skb);
+}
+
+static void qede_set_gro_params(struct qede_dev *edev,
+				struct sk_buff *skb,
+				struct eth_fast_path_rx_tpa_start_cqe *cqe)
+{
+	u16 parsing_flags = le16_to_cpu(cqe->pars_flags.flags);
+
+	if (((parsing_flags >> PARSING_AND_ERR_FLAGS_L3TYPE_SHIFT) &
+	    PARSING_AND_ERR_FLAGS_L3TYPE_MASK) == 2)
+		skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;
+	else
+		skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;
+
+	skb_shinfo(skb)->gso_size = __le16_to_cpu(cqe->len_on_first_bd) -
+				    cqe->header_len;
+}
+
+static int qede_fill_frag_skb(struct qede_dev *edev,
+			      struct qede_rx_queue *rxq,
+			      u8 tpa_agg_index, u16 len_on_bd)
+{
+	struct sw_rx_data *current_bd = &rxq->sw_rx_ring[rxq->sw_rx_cons &
+							 NUM_RX_BDS_MAX];
+	struct qede_agg_info *tpa_info = &rxq->tpa_info[tpa_agg_index];
+	struct sk_buff *skb = tpa_info->skb;
+
+	if (unlikely(tpa_info->state != QEDE_AGG_STATE_START))
+		goto out;
+
+	/* Add one frag and update the appropriate fields in the skb */
+	skb_fill_page_desc(skb, tpa_info->frag_id++,
+			   current_bd->data,
+			   current_bd->page_offset + rxq->rx_headroom,
+			   len_on_bd);
+
+	if (unlikely(qede_realloc_rx_buffer(rxq, current_bd))) {
+		/* Incr page ref count to reuse on allocation failure
+		 * so that it doesn't get freed while freeing SKB.
+		 */
+		page_ref_inc(current_bd->data);
+		goto out;
+	}
+
+	qede_rx_bd_ring_consume(rxq);
+
+	skb->data_len += len_on_bd;
+	skb->truesize += rxq->rx_buf_seg_size;
+	skb->len += len_on_bd;
+
+	return 0;
+
+out:
+	tpa_info->state = QEDE_AGG_STATE_ERROR;
+	qede_recycle_rx_bd_ring(rxq, 1);
+
+	return -ENOMEM;
+}
+
+static bool qede_tunn_exist(u16 flag)
+{
+	return !!(flag & (PARSING_AND_ERR_FLAGS_TUNNELEXIST_MASK <<
+			  PARSING_AND_ERR_FLAGS_TUNNELEXIST_SHIFT));
+}
+
+static u8 qede_check_tunn_csum(u16 flag)
+{
+	u16 csum_flag = 0;
+	u8 tcsum = 0;
+
+	if (flag & (PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMWASCALCULATED_MASK <<
+		    PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMWASCALCULATED_SHIFT))
+		csum_flag |= PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMERROR_MASK <<
+			     PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMERROR_SHIFT;
+
+	if (flag & (PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_MASK <<
+		    PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_SHIFT)) {
+		csum_flag |= PARSING_AND_ERR_FLAGS_L4CHKSMERROR_MASK <<
+			     PARSING_AND_ERR_FLAGS_L4CHKSMERROR_SHIFT;
+		tcsum = QEDE_TUNN_CSUM_UNNECESSARY;
+	}
+
+	csum_flag |= PARSING_AND_ERR_FLAGS_TUNNELIPHDRERROR_MASK <<
+		     PARSING_AND_ERR_FLAGS_TUNNELIPHDRERROR_SHIFT |
+		     PARSING_AND_ERR_FLAGS_IPHDRERROR_MASK <<
+		     PARSING_AND_ERR_FLAGS_IPHDRERROR_SHIFT;
+
+	if (csum_flag & flag)
+		return QEDE_CSUM_ERROR;
+
+	return QEDE_CSUM_UNNECESSARY | tcsum;
+}
+
+static inline struct sk_buff *
+qede_build_skb(struct qede_rx_queue *rxq,
+	       struct sw_rx_data *bd, u16 len, u16 pad)
+{
+	struct sk_buff *skb;
+	void *buf;
+
+	buf = page_address(bd->data) + bd->page_offset;
+	skb = build_skb(buf, rxq->rx_buf_seg_size);
+
+	if (unlikely(!skb))
+		return NULL;
+
+	skb_reserve(skb, pad);
+	skb_put(skb, len);
+
+	return skb;
+}
+
+static struct sk_buff *
+qede_tpa_rx_build_skb(struct qede_dev *edev,
+		      struct qede_rx_queue *rxq,
+		      struct sw_rx_data *bd, u16 len, u16 pad,
+		      bool alloc_skb)
+{
+	struct sk_buff *skb;
+
+	skb = qede_build_skb(rxq, bd, len, pad);
+	bd->page_offset += rxq->rx_buf_seg_size;
+
+	if (bd->page_offset == PAGE_SIZE) {
+		if (unlikely(qede_alloc_rx_buffer(rxq, true))) {
+			DP_NOTICE(edev,
+				  "Failed to allocate RX buffer for tpa start\n");
+			bd->page_offset -= rxq->rx_buf_seg_size;
+			page_ref_inc(bd->data);
+			dev_kfree_skb_any(skb);
+			return NULL;
+		}
+	} else {
+		page_ref_inc(bd->data);
+		qede_reuse_page(rxq, bd);
+	}
+
+	/* We've consumed the first BD and prepared an SKB */
+	qede_rx_bd_ring_consume(rxq);
+
+	return skb;
+}
+
+static struct sk_buff *
+qede_rx_build_skb(struct qede_dev *edev,
+		  struct qede_rx_queue *rxq,
+		  struct sw_rx_data *bd, u16 len, u16 pad)
+{
+	struct sk_buff *skb = NULL;
+
+	/* For smaller frames still need to allocate skb, memcpy
+	 * data and benefit in reusing the page segment instead of
+	 * un-mapping it.
+	 */
+	if ((len + pad <= edev->rx_copybreak)) {
+		unsigned int offset = bd->page_offset + pad;
+
+		skb = netdev_alloc_skb(edev->ndev, QEDE_RX_HDR_SIZE);
+		if (unlikely(!skb))
+			return NULL;
+
+		skb_reserve(skb, pad);
+		skb_put_data(skb, page_address(bd->data) + offset, len);
+		qede_reuse_page(rxq, bd);
+		goto out;
+	}
+
+	skb = qede_build_skb(rxq, bd, len, pad);
+
+	if (unlikely(qede_realloc_rx_buffer(rxq, bd))) {
+		/* Incr page ref count to reuse on allocation failure so
+		 * that it doesn't get freed while freeing SKB [as its
+		 * already mapped there].
+		 */
+		page_ref_inc(bd->data);
+		dev_kfree_skb_any(skb);
+		return NULL;
+	}
+out:
+	/* We've consumed the first BD and prepared an SKB */
+	qede_rx_bd_ring_consume(rxq);
+
+	return skb;
+}
+
+static void qede_tpa_start(struct qede_dev *edev,
+			   struct qede_rx_queue *rxq,
+			   struct eth_fast_path_rx_tpa_start_cqe *cqe)
+{
+	struct qede_agg_info *tpa_info = &rxq->tpa_info[cqe->tpa_agg_index];
+	struct sw_rx_data *sw_rx_data_cons;
+	u16 pad;
+
+	sw_rx_data_cons = &rxq->sw_rx_ring[rxq->sw_rx_cons & NUM_RX_BDS_MAX];
+	pad = cqe->placement_offset + rxq->rx_headroom;
+
+	tpa_info->skb = qede_tpa_rx_build_skb(edev, rxq, sw_rx_data_cons,
+					      le16_to_cpu(cqe->len_on_first_bd),
+					      pad, false);
+	tpa_info->buffer.page_offset = sw_rx_data_cons->page_offset;
+	tpa_info->buffer.mapping = sw_rx_data_cons->mapping;
+
+	if (unlikely(!tpa_info->skb)) {
+		DP_NOTICE(edev, "Failed to allocate SKB for gro\n");
+
+		/* Consume from ring but do not produce since
+		 * this might be used by FW still, it will be re-used
+		 * at TPA end.
+		 */
+		tpa_info->tpa_start_fail = true;
+		qede_rx_bd_ring_consume(rxq);
+		tpa_info->state = QEDE_AGG_STATE_ERROR;
+		goto cons_buf;
+	}
+
+	tpa_info->frag_id = 0;
+	tpa_info->state = QEDE_AGG_STATE_START;
+
+	if ((le16_to_cpu(cqe->pars_flags.flags) >>
+	     PARSING_AND_ERR_FLAGS_TAG8021QEXIST_SHIFT) &
+	    PARSING_AND_ERR_FLAGS_TAG8021QEXIST_MASK)
+		tpa_info->vlan_tag = le16_to_cpu(cqe->vlan_tag);
+	else
+		tpa_info->vlan_tag = 0;
+
+	qede_get_rxhash(tpa_info->skb, cqe->bitfields, cqe->rss_hash);
+
+	/* This is needed in order to enable forwarding support */
+	qede_set_gro_params(edev, tpa_info->skb, cqe);
+
+cons_buf: /* We still need to handle bd_len_list to consume buffers */
+	if (likely(cqe->bw_ext_bd_len_list[0]))
+		qede_fill_frag_skb(edev, rxq, cqe->tpa_agg_index,
+				   le16_to_cpu(cqe->bw_ext_bd_len_list[0]));
+
+	if (unlikely(cqe->bw_ext_bd_len_list[1])) {
+		DP_ERR(edev,
+		       "Unlikely - got a TPA aggregation with more than one bw_ext_bd_len_list entry in the TPA start\n");
+		tpa_info->state = QEDE_AGG_STATE_ERROR;
+	}
+}
+
+#ifdef CONFIG_INET
+static void qede_gro_ip_csum(struct sk_buff *skb)
+{
+	const struct iphdr *iph = ip_hdr(skb);
+	struct tcphdr *th;
+
+	skb_set_transport_header(skb, sizeof(struct iphdr));
+	th = tcp_hdr(skb);
+
+	th->check = ~tcp_v4_check(skb->len - skb_transport_offset(skb),
+				  iph->saddr, iph->daddr, 0);
+
+	tcp_gro_complete(skb);
+}
+
+static void qede_gro_ipv6_csum(struct sk_buff *skb)
+{
+	struct ipv6hdr *iph = ipv6_hdr(skb);
+	struct tcphdr *th;
+
+	skb_set_transport_header(skb, sizeof(struct ipv6hdr));
+	th = tcp_hdr(skb);
+
+	th->check = ~tcp_v6_check(skb->len - skb_transport_offset(skb),
+				  &iph->saddr, &iph->daddr, 0);
+	tcp_gro_complete(skb);
+}
+#endif
+
+static void qede_gro_receive(struct qede_dev *edev,
+			     struct qede_fastpath *fp,
+			     struct sk_buff *skb,
+			     u16 vlan_tag)
+{
+	/* FW can send a single MTU sized packet from gro flow
+	 * due to aggregation timeout/last segment etc. which
+	 * is not expected to be a gro packet. If a skb has zero
+	 * frags then simply push it in the stack as non gso skb.
+	 */
+	if (unlikely(!skb->data_len)) {
+		skb_shinfo(skb)->gso_type = 0;
+		skb_shinfo(skb)->gso_size = 0;
+		goto send_skb;
+	}
+
+#ifdef CONFIG_INET
+	if (skb_shinfo(skb)->gso_size) {
+		skb_reset_network_header(skb);
+
+		switch (skb->protocol) {
+		case htons(ETH_P_IP):
+			qede_gro_ip_csum(skb);
+			break;
+		case htons(ETH_P_IPV6):
+			qede_gro_ipv6_csum(skb);
+			break;
+		default:
+			DP_ERR(edev,
+			       "Error: FW GRO supports only IPv4/IPv6, not 0x%04x\n",
+			       ntohs(skb->protocol));
+		}
+	}
+#endif
+
+send_skb:
+	skb_record_rx_queue(skb, fp->rxq->rxq_id);
+	qede_skb_receive(edev, fp, fp->rxq, skb, vlan_tag);
+}
+
+static inline void qede_tpa_cont(struct qede_dev *edev,
+				 struct qede_rx_queue *rxq,
+				 struct eth_fast_path_rx_tpa_cont_cqe *cqe)
+{
+	int i;
+
+	for (i = 0; cqe->len_list[i]; i++)
+		qede_fill_frag_skb(edev, rxq, cqe->tpa_agg_index,
+				   le16_to_cpu(cqe->len_list[i]));
+
+	if (unlikely(i > 1))
+		DP_ERR(edev,
+		       "Strange - TPA cont with more than a single len_list entry\n");
+}
+
+static int qede_tpa_end(struct qede_dev *edev,
+			struct qede_fastpath *fp,
+			struct eth_fast_path_rx_tpa_end_cqe *cqe)
+{
+	struct qede_rx_queue *rxq = fp->rxq;
+	struct qede_agg_info *tpa_info;
+	struct sk_buff *skb;
+	int i;
+
+	tpa_info = &rxq->tpa_info[cqe->tpa_agg_index];
+	skb = tpa_info->skb;
+
+	if (tpa_info->buffer.page_offset == PAGE_SIZE)
+		dma_unmap_page(rxq->dev, tpa_info->buffer.mapping,
+			       PAGE_SIZE, rxq->data_direction);
+
+	for (i = 0; cqe->len_list[i]; i++)
+		qede_fill_frag_skb(edev, rxq, cqe->tpa_agg_index,
+				   le16_to_cpu(cqe->len_list[i]));
+	if (unlikely(i > 1))
+		DP_ERR(edev,
+		       "Strange - TPA emd with more than a single len_list entry\n");
+
+	if (unlikely(tpa_info->state != QEDE_AGG_STATE_START))
+		goto err;
+
+	/* Sanity */
+	if (unlikely(cqe->num_of_bds != tpa_info->frag_id + 1))
+		DP_ERR(edev,
+		       "Strange - TPA had %02x BDs, but SKB has only %d frags\n",
+		       cqe->num_of_bds, tpa_info->frag_id);
+	if (unlikely(skb->len != le16_to_cpu(cqe->total_packet_len)))
+		DP_ERR(edev,
+		       "Strange - total packet len [cqe] is %4x but SKB has len %04x\n",
+		       le16_to_cpu(cqe->total_packet_len), skb->len);
+
+	/* Finalize the SKB */
+	skb->protocol = eth_type_trans(skb, edev->ndev);
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+	/* tcp_gro_complete() will copy NAPI_GRO_CB(skb)->count
+	 * to skb_shinfo(skb)->gso_segs
+	 */
+	NAPI_GRO_CB(skb)->count = le16_to_cpu(cqe->num_of_coalesced_segs);
+
+	qede_gro_receive(edev, fp, skb, tpa_info->vlan_tag);
+
+	tpa_info->state = QEDE_AGG_STATE_NONE;
+
+	return 1;
+err:
+	tpa_info->state = QEDE_AGG_STATE_NONE;
+
+	if (tpa_info->tpa_start_fail) {
+		qede_reuse_page(rxq, &tpa_info->buffer);
+		tpa_info->tpa_start_fail = false;
+	}
+
+	dev_kfree_skb_any(tpa_info->skb);
+	tpa_info->skb = NULL;
+	return 0;
+}
+
+static u8 qede_check_notunn_csum(u16 flag)
+{
+	u16 csum_flag = 0;
+	u8 csum = 0;
+
+	if (flag & (PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_MASK <<
+		    PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_SHIFT)) {
+		csum_flag |= PARSING_AND_ERR_FLAGS_L4CHKSMERROR_MASK <<
+			     PARSING_AND_ERR_FLAGS_L4CHKSMERROR_SHIFT;
+		csum = QEDE_CSUM_UNNECESSARY;
+	}
+
+	csum_flag |= PARSING_AND_ERR_FLAGS_IPHDRERROR_MASK <<
+		     PARSING_AND_ERR_FLAGS_IPHDRERROR_SHIFT;
+
+	if (csum_flag & flag)
+		return QEDE_CSUM_ERROR;
+
+	return csum;
+}
+
+static u8 qede_check_csum(u16 flag)
+{
+	if (!qede_tunn_exist(flag))
+		return qede_check_notunn_csum(flag);
+	else
+		return qede_check_tunn_csum(flag);
+}
+
+static bool qede_pkt_is_ip_fragmented(struct eth_fast_path_rx_reg_cqe *cqe,
+				      u16 flag)
+{
+	u8 tun_pars_flg = cqe->tunnel_pars_flags.flags;
+
+	if ((tun_pars_flg & (ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK <<
+			     ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT)) ||
+	    (flag & (PARSING_AND_ERR_FLAGS_IPV4FRAG_MASK <<
+		     PARSING_AND_ERR_FLAGS_IPV4FRAG_SHIFT)))
+		return true;
+
+	return false;
+}
+
+/* Return true iff packet is to be passed to stack */
+static bool qede_rx_xdp(struct qede_dev *edev,
+			struct qede_fastpath *fp,
+			struct qede_rx_queue *rxq,
+			struct bpf_prog *prog,
+			struct sw_rx_data *bd,
+			struct eth_fast_path_rx_reg_cqe *cqe,
+			u16 *data_offset, u16 *len)
+{
+	struct xdp_buff xdp;
+	enum xdp_action act;
+
+	xdp_init_buff(&xdp, rxq->rx_buf_seg_size, &rxq->xdp_rxq);
+	xdp_prepare_buff(&xdp, page_address(bd->data), *data_offset,
+			 *len, false);
+
+	act = bpf_prog_run_xdp(prog, &xdp);
+
+	/* Recalculate, as XDP might have changed the headers */
+	*data_offset = xdp.data - xdp.data_hard_start;
+	*len = xdp.data_end - xdp.data;
+
+	if (act == XDP_PASS)
+		return true;
+
+	/* Count number of packets not to be passed to stack */
+	rxq->xdp_no_pass++;
+
+	switch (act) {
+	case XDP_TX:
+		/* We need the replacement buffer before transmit. */
+		if (unlikely(qede_alloc_rx_buffer(rxq, true))) {
+			qede_recycle_rx_bd_ring(rxq, 1);
+
+			trace_xdp_exception(edev->ndev, prog, act);
+			break;
+		}
+
+		/* Now if there's a transmission problem, we'd still have to
+		 * throw current buffer, as replacement was already allocated.
+		 */
+		if (unlikely(qede_xdp_xmit(fp->xdp_tx, bd->mapping,
+					   *data_offset, *len, bd->data,
+					   NULL))) {
+			dma_unmap_page(rxq->dev, bd->mapping, PAGE_SIZE,
+				       rxq->data_direction);
+			__free_page(bd->data);
+
+			trace_xdp_exception(edev->ndev, prog, act);
+		} else {
+			dma_sync_single_for_device(rxq->dev,
+						   bd->mapping + *data_offset,
+						   *len, rxq->data_direction);
+			fp->xdp_xmit |= QEDE_XDP_TX;
+		}
+
+		/* Regardless, we've consumed an Rx BD */
+		qede_rx_bd_ring_consume(rxq);
+		break;
+	case XDP_REDIRECT:
+		/* We need the replacement buffer before transmit. */
+		if (unlikely(qede_alloc_rx_buffer(rxq, true))) {
+			qede_recycle_rx_bd_ring(rxq, 1);
+
+			trace_xdp_exception(edev->ndev, prog, act);
+			break;
+		}
+
+		dma_unmap_page(rxq->dev, bd->mapping, PAGE_SIZE,
+			       rxq->data_direction);
+
+		if (unlikely(xdp_do_redirect(edev->ndev, &xdp, prog)))
+			DP_NOTICE(edev, "Failed to redirect the packet\n");
+		else
+			fp->xdp_xmit |= QEDE_XDP_REDIRECT;
+
+		qede_rx_bd_ring_consume(rxq);
+		break;
+	default:
+		bpf_warn_invalid_xdp_action(edev->ndev, prog, act);
+		fallthrough;
+	case XDP_ABORTED:
+		trace_xdp_exception(edev->ndev, prog, act);
+		fallthrough;
+	case XDP_DROP:
+		qede_recycle_rx_bd_ring(rxq, cqe->bd_num);
+	}
+
+	return false;
+}
+
+static int qede_rx_build_jumbo(struct qede_dev *edev,
+			       struct qede_rx_queue *rxq,
+			       struct sk_buff *skb,
+			       struct eth_fast_path_rx_reg_cqe *cqe,
+			       u16 first_bd_len)
+{
+	u16 pkt_len = le16_to_cpu(cqe->pkt_len);
+	struct sw_rx_data *bd;
+	u16 bd_cons_idx;
+	u8 num_frags;
+
+	pkt_len -= first_bd_len;
+
+	/* We've already used one BD for the SKB. Now take care of the rest */
+	for (num_frags = cqe->bd_num - 1; num_frags > 0; num_frags--) {
+		u16 cur_size = pkt_len > rxq->rx_buf_size ? rxq->rx_buf_size :
+		    pkt_len;
+
+		if (unlikely(!cur_size)) {
+			DP_ERR(edev,
+			       "Still got %d BDs for mapping jumbo, but length became 0\n",
+			       num_frags);
+			goto out;
+		}
+
+		/* We need a replacement buffer for each BD */
+		if (unlikely(qede_alloc_rx_buffer(rxq, true)))
+			goto out;
+
+		/* Now that we've allocated the replacement buffer,
+		 * we can safely consume the next BD and map it to the SKB.
+		 */
+		bd_cons_idx = rxq->sw_rx_cons & NUM_RX_BDS_MAX;
+		bd = &rxq->sw_rx_ring[bd_cons_idx];
+		qede_rx_bd_ring_consume(rxq);
+
+		dma_unmap_page(rxq->dev, bd->mapping,
+			       PAGE_SIZE, DMA_FROM_DEVICE);
+
+		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, bd->data,
+				rxq->rx_headroom, cur_size, PAGE_SIZE);
+
+		pkt_len -= cur_size;
+	}
+
+	if (unlikely(pkt_len))
+		DP_ERR(edev,
+		       "Mapped all BDs of jumbo, but still have %d bytes\n",
+		       pkt_len);
+
+out:
+	return num_frags;
+}
+
+static int qede_rx_process_tpa_cqe(struct qede_dev *edev,
+				   struct qede_fastpath *fp,
+				   struct qede_rx_queue *rxq,
+				   union eth_rx_cqe *cqe,
+				   enum eth_rx_cqe_type type)
+{
+	switch (type) {
+	case ETH_RX_CQE_TYPE_TPA_START:
+		qede_tpa_start(edev, rxq, &cqe->fast_path_tpa_start);
+		return 0;
+	case ETH_RX_CQE_TYPE_TPA_CONT:
+		qede_tpa_cont(edev, rxq, &cqe->fast_path_tpa_cont);
+		return 0;
+	case ETH_RX_CQE_TYPE_TPA_END:
+		return qede_tpa_end(edev, fp, &cqe->fast_path_tpa_end);
+	default:
+		return 0;
+	}
+}
+
+static int qede_rx_process_cqe(struct qede_dev *edev,
+			       struct qede_fastpath *fp,
+			       struct qede_rx_queue *rxq)
+{
+	struct bpf_prog *xdp_prog = READ_ONCE(rxq->xdp_prog);
+	struct eth_fast_path_rx_reg_cqe *fp_cqe;
+	u16 len, pad, bd_cons_idx, parse_flag;
+	enum eth_rx_cqe_type cqe_type;
+	union eth_rx_cqe *cqe;
+	struct sw_rx_data *bd;
+	struct sk_buff *skb;
+	__le16 flags;
+	u8 csum_flag;
+
+	/* Get the CQE from the completion ring */
+	cqe = (union eth_rx_cqe *)qed_chain_consume(&rxq->rx_comp_ring);
+	cqe_type = cqe->fast_path_regular.type;
+
+	/* Process an unlikely slowpath event */
+	if (unlikely(cqe_type == ETH_RX_CQE_TYPE_SLOW_PATH)) {
+		struct eth_slow_path_rx_cqe *sp_cqe;
+
+		sp_cqe = (struct eth_slow_path_rx_cqe *)cqe;
+		edev->ops->eth_cqe_completion(edev->cdev, fp->id, sp_cqe);
+		return 0;
+	}
+
+	/* Handle TPA cqes */
+	if (cqe_type != ETH_RX_CQE_TYPE_REGULAR)
+		return qede_rx_process_tpa_cqe(edev, fp, rxq, cqe, cqe_type);
+
+	/* Get the data from the SW ring; Consume it only after it's evident
+	 * we wouldn't recycle it.
+	 */
+	bd_cons_idx = rxq->sw_rx_cons & NUM_RX_BDS_MAX;
+	bd = &rxq->sw_rx_ring[bd_cons_idx];
+
+	fp_cqe = &cqe->fast_path_regular;
+	len = le16_to_cpu(fp_cqe->len_on_first_bd);
+	pad = fp_cqe->placement_offset + rxq->rx_headroom;
+
+	/* Run eBPF program if one is attached */
+	if (xdp_prog)
+		if (!qede_rx_xdp(edev, fp, rxq, xdp_prog, bd, fp_cqe,
+				 &pad, &len))
+			return 0;
+
+	/* If this is an error packet then drop it */
+	flags = cqe->fast_path_regular.pars_flags.flags;
+	parse_flag = le16_to_cpu(flags);
+
+	csum_flag = qede_check_csum(parse_flag);
+	if (unlikely(csum_flag == QEDE_CSUM_ERROR)) {
+		if (qede_pkt_is_ip_fragmented(fp_cqe, parse_flag))
+			rxq->rx_ip_frags++;
+		else
+			rxq->rx_hw_errors++;
+	}
+
+	/* Basic validation passed; Need to prepare an SKB. This would also
+	 * guarantee to finally consume the first BD upon success.
+	 */
+	skb = qede_rx_build_skb(edev, rxq, bd, len, pad);
+	if (!skb) {
+		rxq->rx_alloc_errors++;
+		qede_recycle_rx_bd_ring(rxq, fp_cqe->bd_num);
+		return 0;
+	}
+
+	/* In case of Jumbo packet, several PAGE_SIZEd buffers will be pointed
+	 * by a single cqe.
+	 */
+	if (fp_cqe->bd_num > 1) {
+		u16 unmapped_frags = qede_rx_build_jumbo(edev, rxq, skb,
+							 fp_cqe, len);
+
+		if (unlikely(unmapped_frags > 0)) {
+			qede_recycle_rx_bd_ring(rxq, unmapped_frags);
+			dev_kfree_skb_any(skb);
+			return 0;
+		}
+	}
+
+	/* The SKB contains all the data. Now prepare meta-magic */
+	skb->protocol = eth_type_trans(skb, edev->ndev);
+	qede_get_rxhash(skb, fp_cqe->bitfields, fp_cqe->rss_hash);
+	qede_set_skb_csum(skb, csum_flag);
+	skb_record_rx_queue(skb, rxq->rxq_id);
+	qede_ptp_record_rx_ts(edev, cqe, skb);
+
+	/* SKB is prepared - pass it to stack */
+	qede_skb_receive(edev, fp, rxq, skb, le16_to_cpu(fp_cqe->vlan_tag));
+
+	return 1;
+}
+
+static int qede_rx_int(struct qede_fastpath *fp, int budget)
+{
+	struct qede_rx_queue *rxq = fp->rxq;
+	struct qede_dev *edev = fp->edev;
+	int work_done = 0, rcv_pkts = 0;
+	u16 hw_comp_cons, sw_comp_cons;
+
+	hw_comp_cons = le16_to_cpu(*rxq->hw_cons_ptr);
+	sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring);
+
+	/* Memory barrier to prevent the CPU from doing speculative reads of CQE
+	 * / BD in the while-loop before reading hw_comp_cons. If the CQE is
+	 * read before it is written by FW, then FW writes CQE and SB, and then
+	 * the CPU reads the hw_comp_cons, it will use an old CQE.
+	 */
+	rmb();
+
+	/* Loop to complete all indicated BDs */
+	while ((sw_comp_cons != hw_comp_cons) && (work_done < budget)) {
+		rcv_pkts += qede_rx_process_cqe(edev, fp, rxq);
+		qed_chain_recycle_consumed(&rxq->rx_comp_ring);
+		sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring);
+		work_done++;
+	}
+
+	rxq->rcv_pkts += rcv_pkts;
+
+	/* Allocate replacement buffers */
+	while (rxq->num_rx_buffers - rxq->filled_buffers)
+		if (qede_alloc_rx_buffer(rxq, false))
+			break;
+
+	/* Update producers */
+	qede_update_rx_prod(edev, rxq);
+
+	return work_done;
+}
+
+static bool qede_poll_is_more_work(struct qede_fastpath *fp)
+{
+	qed_sb_update_sb_idx(fp->sb_info);
+
+	/* *_has_*_work() reads the status block, thus we need to ensure that
+	 * status block indices have been actually read (qed_sb_update_sb_idx)
+	 * prior to this check (*_has_*_work) so that we won't write the
+	 * "newer" value of the status block to HW (if there was a DMA right
+	 * after qede_has_rx_work and if there is no rmb, the memory reading
+	 * (qed_sb_update_sb_idx) may be postponed to right before *_ack_sb).
+	 * In this case there will never be another interrupt until there is
+	 * another update of the status block, while there is still unhandled
+	 * work.
+	 */
+	rmb();
+
+	if (likely(fp->type & QEDE_FASTPATH_RX))
+		if (qede_has_rx_work(fp->rxq))
+			return true;
+
+	if (fp->type & QEDE_FASTPATH_XDP)
+		if (qede_txq_has_work(fp->xdp_tx))
+			return true;
+
+	if (likely(fp->type & QEDE_FASTPATH_TX)) {
+		int cos;
+
+		for_each_cos_in_txq(fp->edev, cos) {
+			if (qede_txq_has_work(&fp->txq[cos]))
+				return true;
+		}
+	}
+
+	return false;
+}
+
+/*********************
+ * NDO & API related *
+ *********************/
+int qede_poll(struct napi_struct *napi, int budget)
+{
+	struct qede_fastpath *fp = container_of(napi, struct qede_fastpath,
+						napi);
+	struct qede_dev *edev = fp->edev;
+	int rx_work_done = 0;
+	u16 xdp_prod;
+
+	fp->xdp_xmit = 0;
+
+	if (likely(fp->type & QEDE_FASTPATH_TX)) {
+		int cos;
+
+		for_each_cos_in_txq(fp->edev, cos) {
+			if (qede_txq_has_work(&fp->txq[cos]))
+				qede_tx_int(edev, &fp->txq[cos]);
+		}
+	}
+
+	if ((fp->type & QEDE_FASTPATH_XDP) && qede_txq_has_work(fp->xdp_tx))
+		qede_xdp_tx_int(edev, fp->xdp_tx);
+
+	rx_work_done = (likely(fp->type & QEDE_FASTPATH_RX) &&
+			qede_has_rx_work(fp->rxq)) ?
+			qede_rx_int(fp, budget) : 0;
+
+	if (fp->xdp_xmit & QEDE_XDP_REDIRECT)
+		xdp_do_flush();
+
+	/* Handle case where we are called by netpoll with a budget of 0 */
+	if (rx_work_done < budget || !budget) {
+		if (!qede_poll_is_more_work(fp)) {
+			napi_complete_done(napi, rx_work_done);
+
+			/* Update and reenable interrupts */
+			qed_sb_ack(fp->sb_info, IGU_INT_ENABLE, 1);
+		} else {
+			rx_work_done = budget;
+		}
+	}
+
+	if (fp->xdp_xmit & QEDE_XDP_TX) {
+		xdp_prod = qed_chain_get_prod_idx(&fp->xdp_tx->tx_pbl);
+
+		fp->xdp_tx->tx_db.data.bd_prod = cpu_to_le16(xdp_prod);
+		qede_update_tx_producer(fp->xdp_tx);
+	}
+
+	return rx_work_done;
+}
+
+irqreturn_t qede_msix_fp_int(int irq, void *fp_cookie)
+{
+	struct qede_fastpath *fp = fp_cookie;
+
+	qed_sb_ack(fp->sb_info, IGU_INT_DISABLE, 0 /*do not update*/);
+
+	napi_schedule_irqoff(&fp->napi);
+	return IRQ_HANDLED;
+}
+
+/* Main transmit function */
+netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+{
+	struct qede_dev *edev = netdev_priv(ndev);
+	struct netdev_queue *netdev_txq;
+	struct qede_tx_queue *txq;
+	struct eth_tx_1st_bd *first_bd;
+	struct eth_tx_2nd_bd *second_bd = NULL;
+	struct eth_tx_3rd_bd *third_bd = NULL;
+	struct eth_tx_bd *tx_data_bd = NULL;
+	u16 txq_index, val = 0;
+	u8 nbd = 0;
+	dma_addr_t mapping;
+	int rc, frag_idx = 0, ipv6_ext = 0;
+	u8 xmit_type;
+	u16 idx;
+	u16 hlen;
+	bool data_split = false;
+
+	/* Get tx-queue context and netdev index */
+	txq_index = skb_get_queue_mapping(skb);
+	WARN_ON(txq_index >= QEDE_TSS_COUNT(edev) * edev->dev_info.num_tc);
+	txq = QEDE_NDEV_TXQ_ID_TO_TXQ(edev, txq_index);
+	netdev_txq = netdev_get_tx_queue(ndev, txq_index);
+
+	WARN_ON(qed_chain_get_elem_left(&txq->tx_pbl) < (MAX_SKB_FRAGS + 1));
+
+	xmit_type = qede_xmit_type(skb, &ipv6_ext);
+
+#if ((MAX_SKB_FRAGS + 2) > ETH_TX_MAX_BDS_PER_NON_LSO_PACKET)
+	if (qede_pkt_req_lin(skb, xmit_type)) {
+		if (skb_linearize(skb)) {
+			txq->tx_mem_alloc_err++;
+
+			dev_kfree_skb_any(skb);
+			return NETDEV_TX_OK;
+		}
+	}
+#endif
+
+	/* Fill the entry in the SW ring and the BDs in the FW ring */
+	idx = txq->sw_tx_prod;
+	txq->sw_tx_ring.skbs[idx].skb = skb;
+	first_bd = (struct eth_tx_1st_bd *)
+		   qed_chain_produce(&txq->tx_pbl);
+	memset(first_bd, 0, sizeof(*first_bd));
+	first_bd->data.bd_flags.bitfields =
+		1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT;
+
+	if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
+		qede_ptp_tx_ts(edev, skb);
+
+	/* Map skb linear data for DMA and set in the first BD */
+	mapping = dma_map_single(txq->dev, skb->data,
+				 skb_headlen(skb), DMA_TO_DEVICE);
+	if (unlikely(dma_mapping_error(txq->dev, mapping))) {
+		DP_NOTICE(edev, "SKB mapping failed\n");
+		qede_free_failed_tx_pkt(txq, first_bd, 0, false);
+		qede_update_tx_producer(txq);
+		return NETDEV_TX_OK;
+	}
+	nbd++;
+	BD_SET_UNMAP_ADDR_LEN(first_bd, mapping, skb_headlen(skb));
+
+	/* In case there is IPv6 with extension headers or LSO we need 2nd and
+	 * 3rd BDs.
+	 */
+	if (unlikely((xmit_type & XMIT_LSO) | ipv6_ext)) {
+		second_bd = (struct eth_tx_2nd_bd *)
+			qed_chain_produce(&txq->tx_pbl);
+		memset(second_bd, 0, sizeof(*second_bd));
+
+		nbd++;
+		third_bd = (struct eth_tx_3rd_bd *)
+			qed_chain_produce(&txq->tx_pbl);
+		memset(third_bd, 0, sizeof(*third_bd));
+
+		nbd++;
+		/* We need to fill in additional data in second_bd... */
+		tx_data_bd = (struct eth_tx_bd *)second_bd;
+	}
+
+	if (skb_vlan_tag_present(skb)) {
+		first_bd->data.vlan = cpu_to_le16(skb_vlan_tag_get(skb));
+		first_bd->data.bd_flags.bitfields |=
+			1 << ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT;
+	}
+
+	/* Fill the parsing flags & params according to the requested offload */
+	if (xmit_type & XMIT_L4_CSUM) {
+		/* We don't re-calculate IP checksum as it is already done by
+		 * the upper stack
+		 */
+		first_bd->data.bd_flags.bitfields |=
+			1 << ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT;
+
+		if (xmit_type & XMIT_ENC) {
+			first_bd->data.bd_flags.bitfields |=
+				1 << ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT;
+
+			val |= (1 << ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT);
+		}
+
+		/* Legacy FW had flipped behavior in regard to this bit -
+		 * I.e., needed to set to prevent FW from touching encapsulated
+		 * packets when it didn't need to.
+		 */
+		if (unlikely(txq->is_legacy))
+			val ^= (1 << ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT);
+
+		/* If the packet is IPv6 with extension header, indicate that
+		 * to FW and pass few params, since the device cracker doesn't
+		 * support parsing IPv6 with extension header/s.
+		 */
+		if (unlikely(ipv6_ext))
+			qede_set_params_for_ipv6_ext(skb, second_bd, third_bd);
+	}
+
+	if (xmit_type & XMIT_LSO) {
+		first_bd->data.bd_flags.bitfields |=
+			(1 << ETH_TX_1ST_BD_FLAGS_LSO_SHIFT);
+		third_bd->data.lso_mss =
+			cpu_to_le16(skb_shinfo(skb)->gso_size);
+
+		if (unlikely(xmit_type & XMIT_ENC)) {
+			first_bd->data.bd_flags.bitfields |=
+				1 << ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT;
+
+			if (xmit_type & XMIT_ENC_GSO_L4_CSUM) {
+				u8 tmp = ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT;
+
+				first_bd->data.bd_flags.bitfields |= 1 << tmp;
+			}
+			hlen = qede_get_skb_hlen(skb, true);
+		} else {
+			first_bd->data.bd_flags.bitfields |=
+				1 << ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT;
+			hlen = qede_get_skb_hlen(skb, false);
+		}
+
+		/* @@@TBD - if will not be removed need to check */
+		third_bd->data.bitfields |=
+			cpu_to_le16(1 << ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT);
+
+		/* Make life easier for FW guys who can't deal with header and
+		 * data on same BD. If we need to split, use the second bd...
+		 */
+		if (unlikely(skb_headlen(skb) > hlen)) {
+			DP_VERBOSE(edev, NETIF_MSG_TX_QUEUED,
+				   "TSO split header size is %d (%x:%x)\n",
+				   first_bd->nbytes, first_bd->addr.hi,
+				   first_bd->addr.lo);
+
+			mapping = HILO_U64(le32_to_cpu(first_bd->addr.hi),
+					   le32_to_cpu(first_bd->addr.lo)) +
+					   hlen;
+
+			BD_SET_UNMAP_ADDR_LEN(tx_data_bd, mapping,
+					      le16_to_cpu(first_bd->nbytes) -
+					      hlen);
+
+			/* this marks the BD as one that has no
+			 * individual mapping
+			 */
+			txq->sw_tx_ring.skbs[idx].flags |= QEDE_TSO_SPLIT_BD;
+
+			first_bd->nbytes = cpu_to_le16(hlen);
+
+			tx_data_bd = (struct eth_tx_bd *)third_bd;
+			data_split = true;
+		}
+	} else {
+		if (unlikely(skb->len > ETH_TX_MAX_NON_LSO_PKT_LEN)) {
+			DP_ERR(edev, "Unexpected non LSO skb length = 0x%x\n", skb->len);
+			qede_free_failed_tx_pkt(txq, first_bd, 0, false);
+			qede_update_tx_producer(txq);
+			return NETDEV_TX_OK;
+		}
+
+		val |= ((skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK) <<
+			 ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT);
+	}
+
+	first_bd->data.bitfields = cpu_to_le16(val);
+
+	/* Handle fragmented skb */
+	/* special handle for frags inside 2nd and 3rd bds.. */
+	while (tx_data_bd && frag_idx < skb_shinfo(skb)->nr_frags) {
+		rc = map_frag_to_bd(txq,
+				    &skb_shinfo(skb)->frags[frag_idx],
+				    tx_data_bd);
+		if (rc) {
+			qede_free_failed_tx_pkt(txq, first_bd, nbd, data_split);
+			qede_update_tx_producer(txq);
+			return NETDEV_TX_OK;
+		}
+
+		if (tx_data_bd == (struct eth_tx_bd *)second_bd)
+			tx_data_bd = (struct eth_tx_bd *)third_bd;
+		else
+			tx_data_bd = NULL;
+
+		frag_idx++;
+	}
+
+	/* map last frags into 4th, 5th .... */
+	for (; frag_idx < skb_shinfo(skb)->nr_frags; frag_idx++, nbd++) {
+		tx_data_bd = (struct eth_tx_bd *)
+			     qed_chain_produce(&txq->tx_pbl);
+
+		memset(tx_data_bd, 0, sizeof(*tx_data_bd));
+
+		rc = map_frag_to_bd(txq,
+				    &skb_shinfo(skb)->frags[frag_idx],
+				    tx_data_bd);
+		if (rc) {
+			qede_free_failed_tx_pkt(txq, first_bd, nbd, data_split);
+			qede_update_tx_producer(txq);
+			return NETDEV_TX_OK;
+		}
+	}
+
+	/* update the first BD with the actual num BDs */
+	first_bd->data.nbds = nbd;
+
+	netdev_tx_sent_queue(netdev_txq, skb->len);
+
+	skb_tx_timestamp(skb);
+
+	/* Advance packet producer only before sending the packet since mapping
+	 * of pages may fail.
+	 */
+	txq->sw_tx_prod = (txq->sw_tx_prod + 1) % txq->num_tx_buffers;
+
+	/* 'next page' entries are counted in the producer value */
+	txq->tx_db.data.bd_prod =
+		cpu_to_le16(qed_chain_get_prod_idx(&txq->tx_pbl));
+
+	if (!netdev_xmit_more() || netif_xmit_stopped(netdev_txq))
+		qede_update_tx_producer(txq);
+
+	if (unlikely(qed_chain_get_elem_left(&txq->tx_pbl)
+		      < (MAX_SKB_FRAGS + 1))) {
+		if (netdev_xmit_more())
+			qede_update_tx_producer(txq);
+
+		netif_tx_stop_queue(netdev_txq);
+		txq->stopped_cnt++;
+		DP_VERBOSE(edev, NETIF_MSG_TX_QUEUED,
+			   "Stop queue was called\n");
+		/* paired memory barrier is in qede_tx_int(), we have to keep
+		 * ordering of set_bit() in netif_tx_stop_queue() and read of
+		 * fp->bd_tx_cons
+		 */
+		smp_mb();
+
+		if ((qed_chain_get_elem_left(&txq->tx_pbl) >=
+		     (MAX_SKB_FRAGS + 1)) &&
+		    (edev->state == QEDE_STATE_OPEN)) {
+			netif_tx_wake_queue(netdev_txq);
+			DP_VERBOSE(edev, NETIF_MSG_TX_QUEUED,
+				   "Wake queue was called\n");
+		}
+	}
+
+	return NETDEV_TX_OK;
+}
+
+u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb,
+		      struct net_device *sb_dev)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+	int total_txq;
+
+	total_txq = QEDE_TSS_COUNT(edev) * edev->dev_info.num_tc;
+
+	return QEDE_TSS_COUNT(edev) ?
+		netdev_pick_tx(dev, skb, NULL) % total_txq :  0;
+}
+
+/* 8B udp header + 8B base tunnel header + 32B option length */
+#define QEDE_MAX_TUN_HDR_LEN 48
+
+netdev_features_t qede_features_check(struct sk_buff *skb,
+				      struct net_device *dev,
+				      netdev_features_t features)
+{
+	if (skb->encapsulation) {
+		u8 l4_proto = 0;
+
+		switch (vlan_get_protocol(skb)) {
+		case htons(ETH_P_IP):
+			l4_proto = ip_hdr(skb)->protocol;
+			break;
+		case htons(ETH_P_IPV6):
+			l4_proto = ipv6_hdr(skb)->nexthdr;
+			break;
+		default:
+			return features;
+		}
+
+		/* Disable offloads for geneve tunnels, as HW can't parse
+		 * the geneve header which has option length greater than 32b
+		 * and disable offloads for the ports which are not offloaded.
+		 */
+		if (l4_proto == IPPROTO_UDP) {
+			struct qede_dev *edev = netdev_priv(dev);
+			u16 hdrlen, vxln_port, gnv_port;
+
+			hdrlen = QEDE_MAX_TUN_HDR_LEN;
+			vxln_port = edev->vxlan_dst_port;
+			gnv_port = edev->geneve_dst_port;
+
+			if ((skb_inner_mac_header(skb) -
+			     skb_transport_header(skb)) > hdrlen ||
+			     (ntohs(udp_hdr(skb)->dest) != vxln_port &&
+			      ntohs(udp_hdr(skb)->dest) != gnv_port))
+				return features & ~(NETIF_F_CSUM_MASK |
+						    NETIF_F_GSO_MASK);
+		} else if (l4_proto == IPPROTO_IPIP) {
+			/* IPIP tunnels are unknown to the device or at least unsupported natively,
+			 * offloads for them can't be done trivially, so disable them for such skb.
+			 */
+			return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+		}
+	}
+
+	return features;
+}