Adding upstream version 4.19.249.upstream/4.19.249

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

1 files changed, 9399 insertions, 0 deletions

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
new file mode 100644
index 000000000..5e30299bc
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -0,0 +1,9399 @@
+/* Broadcom NetXtreme-C/E network driver.
+ *
+ * Copyright (c) 2014-2016 Broadcom Corporation
+ * Copyright (c) 2016-2018 Broadcom Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+
+#include <linux/stringify.h>
+#include <linux/kernel.h>
+#include <linux/timer.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/dma-mapping.h>
+#include <linux/bitops.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+#include <asm/byteorder.h>
+#include <asm/page.h>
+#include <linux/time.h>
+#include <linux/mii.h>
+#include <linux/if.h>
+#include <linux/if_vlan.h>
+#include <linux/if_bridge.h>
+#include <linux/rtc.h>
+#include <linux/bpf.h>
+#include <net/ip.h>
+#include <net/tcp.h>
+#include <net/udp.h>
+#include <net/checksum.h>
+#include <net/ip6_checksum.h>
+#include <net/udp_tunnel.h>
+#include <linux/workqueue.h>
+#include <linux/prefetch.h>
+#include <linux/cache.h>
+#include <linux/log2.h>
+#include <linux/aer.h>
+#include <linux/bitmap.h>
+#include <linux/cpu_rmap.h>
+#include <linux/cpumask.h>
+#include <net/pkt_cls.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+
+#include "bnxt_hsi.h"
+#include "bnxt.h"
+#include "bnxt_ulp.h"
+#include "bnxt_sriov.h"
+#include "bnxt_ethtool.h"
+#include "bnxt_dcb.h"
+#include "bnxt_xdp.h"
+#include "bnxt_vfr.h"
+#include "bnxt_tc.h"
+#include "bnxt_devlink.h"
+#include "bnxt_debugfs.h"
+
+#define BNXT_TX_TIMEOUT		(5 * HZ)
+
+static const char version[] =
+	"Broadcom NetXtreme-C/E driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION "\n";
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Broadcom BCM573xx network driver");
+MODULE_VERSION(DRV_MODULE_VERSION);
+
+#define BNXT_RX_OFFSET (NET_SKB_PAD + NET_IP_ALIGN)
+#define BNXT_RX_DMA_OFFSET NET_SKB_PAD
+#define BNXT_RX_COPY_THRESH 256
+
+#define BNXT_TX_PUSH_THRESH 164
+
+enum board_idx {
+	BCM57301,
+	BCM57302,
+	BCM57304,
+	BCM57417_NPAR,
+	BCM58700,
+	BCM57311,
+	BCM57312,
+	BCM57402,
+	BCM57404,
+	BCM57406,
+	BCM57402_NPAR,
+	BCM57407,
+	BCM57412,
+	BCM57414,
+	BCM57416,
+	BCM57417,
+	BCM57412_NPAR,
+	BCM57314,
+	BCM57417_SFP,
+	BCM57416_SFP,
+	BCM57404_NPAR,
+	BCM57406_NPAR,
+	BCM57407_SFP,
+	BCM57407_NPAR,
+	BCM57414_NPAR,
+	BCM57416_NPAR,
+	BCM57452,
+	BCM57454,
+	BCM5745x_NPAR,
+	BCM58802,
+	BCM58804,
+	BCM58808,
+	NETXTREME_E_VF,
+	NETXTREME_C_VF,
+	NETXTREME_S_VF,
+};
+
+/* indexed by enum above */
+static const struct {
+	char *name;
+} board_info[] = {
+	[BCM57301] = { "Broadcom BCM57301 NetXtreme-C 10Gb Ethernet" },
+	[BCM57302] = { "Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet" },
+	[BCM57304] = { "Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet" },
+	[BCM57417_NPAR] = { "Broadcom BCM57417 NetXtreme-E Ethernet Partition" },
+	[BCM58700] = { "Broadcom BCM58700 Nitro 1Gb/2.5Gb/10Gb Ethernet" },
+	[BCM57311] = { "Broadcom BCM57311 NetXtreme-C 10Gb Ethernet" },
+	[BCM57312] = { "Broadcom BCM57312 NetXtreme-C 10Gb/25Gb Ethernet" },
+	[BCM57402] = { "Broadcom BCM57402 NetXtreme-E 10Gb Ethernet" },
+	[BCM57404] = { "Broadcom BCM57404 NetXtreme-E 10Gb/25Gb Ethernet" },
+	[BCM57406] = { "Broadcom BCM57406 NetXtreme-E 10GBase-T Ethernet" },
+	[BCM57402_NPAR] = { "Broadcom BCM57402 NetXtreme-E Ethernet Partition" },
+	[BCM57407] = { "Broadcom BCM57407 NetXtreme-E 10GBase-T Ethernet" },
+	[BCM57412] = { "Broadcom BCM57412 NetXtreme-E 10Gb Ethernet" },
+	[BCM57414] = { "Broadcom BCM57414 NetXtreme-E 10Gb/25Gb Ethernet" },
+	[BCM57416] = { "Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet" },
+	[BCM57417] = { "Broadcom BCM57417 NetXtreme-E 10GBase-T Ethernet" },
+	[BCM57412_NPAR] = { "Broadcom BCM57412 NetXtreme-E Ethernet Partition" },
+	[BCM57314] = { "Broadcom BCM57314 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet" },
+	[BCM57417_SFP] = { "Broadcom BCM57417 NetXtreme-E 10Gb/25Gb Ethernet" },
+	[BCM57416_SFP] = { "Broadcom BCM57416 NetXtreme-E 10Gb Ethernet" },
+	[BCM57404_NPAR] = { "Broadcom BCM57404 NetXtreme-E Ethernet Partition" },
+	[BCM57406_NPAR] = { "Broadcom BCM57406 NetXtreme-E Ethernet Partition" },
+	[BCM57407_SFP] = { "Broadcom BCM57407 NetXtreme-E 25Gb Ethernet" },
+	[BCM57407_NPAR] = { "Broadcom BCM57407 NetXtreme-E Ethernet Partition" },
+	[BCM57414_NPAR] = { "Broadcom BCM57414 NetXtreme-E Ethernet Partition" },
+	[BCM57416_NPAR] = { "Broadcom BCM57416 NetXtreme-E Ethernet Partition" },
+	[BCM57452] = { "Broadcom BCM57452 NetXtreme-E 10Gb/25Gb/40Gb/50Gb Ethernet" },
+	[BCM57454] = { "Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" },
+	[BCM5745x_NPAR] = { "Broadcom BCM5745x NetXtreme-E Ethernet Partition" },
+	[BCM58802] = { "Broadcom BCM58802 NetXtreme-S 10Gb/25Gb/40Gb/50Gb Ethernet" },
+	[BCM58804] = { "Broadcom BCM58804 NetXtreme-S 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" },
+	[BCM58808] = { "Broadcom BCM58808 NetXtreme-S 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" },
+	[NETXTREME_E_VF] = { "Broadcom NetXtreme-E Ethernet Virtual Function" },
+	[NETXTREME_C_VF] = { "Broadcom NetXtreme-C Ethernet Virtual Function" },
+	[NETXTREME_S_VF] = { "Broadcom NetXtreme-S Ethernet Virtual Function" },
+};
+
+static const struct pci_device_id bnxt_pci_tbl[] = {
+	{ PCI_VDEVICE(BROADCOM, 0x1604), .driver_data = BCM5745x_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x1605), .driver_data = BCM5745x_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x1614), .driver_data = BCM57454 },
+	{ PCI_VDEVICE(BROADCOM, 0x16c0), .driver_data = BCM57417_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16c8), .driver_data = BCM57301 },
+	{ PCI_VDEVICE(BROADCOM, 0x16c9), .driver_data = BCM57302 },
+	{ PCI_VDEVICE(BROADCOM, 0x16ca), .driver_data = BCM57304 },
+	{ PCI_VDEVICE(BROADCOM, 0x16cc), .driver_data = BCM57417_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16cd), .driver_data = BCM58700 },
+	{ PCI_VDEVICE(BROADCOM, 0x16ce), .driver_data = BCM57311 },
+	{ PCI_VDEVICE(BROADCOM, 0x16cf), .driver_data = BCM57312 },
+	{ PCI_VDEVICE(BROADCOM, 0x16d0), .driver_data = BCM57402 },
+	{ PCI_VDEVICE(BROADCOM, 0x16d1), .driver_data = BCM57404 },
+	{ PCI_VDEVICE(BROADCOM, 0x16d2), .driver_data = BCM57406 },
+	{ PCI_VDEVICE(BROADCOM, 0x16d4), .driver_data = BCM57402_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16d5), .driver_data = BCM57407 },
+	{ PCI_VDEVICE(BROADCOM, 0x16d6), .driver_data = BCM57412 },
+	{ PCI_VDEVICE(BROADCOM, 0x16d7), .driver_data = BCM57414 },
+	{ PCI_VDEVICE(BROADCOM, 0x16d8), .driver_data = BCM57416 },
+	{ PCI_VDEVICE(BROADCOM, 0x16d9), .driver_data = BCM57417 },
+	{ PCI_VDEVICE(BROADCOM, 0x16de), .driver_data = BCM57412_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16df), .driver_data = BCM57314 },
+	{ PCI_VDEVICE(BROADCOM, 0x16e2), .driver_data = BCM57417_SFP },
+	{ PCI_VDEVICE(BROADCOM, 0x16e3), .driver_data = BCM57416_SFP },
+	{ PCI_VDEVICE(BROADCOM, 0x16e7), .driver_data = BCM57404_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16e8), .driver_data = BCM57406_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16e9), .driver_data = BCM57407_SFP },
+	{ PCI_VDEVICE(BROADCOM, 0x16ea), .driver_data = BCM57407_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16eb), .driver_data = BCM57412_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16ec), .driver_data = BCM57414_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16ed), .driver_data = BCM57414_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16ee), .driver_data = BCM57416_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16ef), .driver_data = BCM57416_NPAR },
+	{ PCI_VDEVICE(BROADCOM, 0x16f0), .driver_data = BCM58808 },
+	{ PCI_VDEVICE(BROADCOM, 0x16f1), .driver_data = BCM57452 },
+	{ PCI_VDEVICE(BROADCOM, 0xd802), .driver_data = BCM58802 },
+	{ PCI_VDEVICE(BROADCOM, 0xd804), .driver_data = BCM58804 },
+#ifdef CONFIG_BNXT_SRIOV
+	{ PCI_VDEVICE(BROADCOM, 0x1606), .driver_data = NETXTREME_E_VF },
+	{ PCI_VDEVICE(BROADCOM, 0x1609), .driver_data = NETXTREME_E_VF },
+	{ PCI_VDEVICE(BROADCOM, 0x16c1), .driver_data = NETXTREME_E_VF },
+	{ PCI_VDEVICE(BROADCOM, 0x16cb), .driver_data = NETXTREME_C_VF },
+	{ PCI_VDEVICE(BROADCOM, 0x16d3), .driver_data = NETXTREME_E_VF },
+	{ PCI_VDEVICE(BROADCOM, 0x16dc), .driver_data = NETXTREME_E_VF },
+	{ PCI_VDEVICE(BROADCOM, 0x16e1), .driver_data = NETXTREME_C_VF },
+	{ PCI_VDEVICE(BROADCOM, 0x16e5), .driver_data = NETXTREME_C_VF },
+	{ PCI_VDEVICE(BROADCOM, 0xd800), .driver_data = NETXTREME_S_VF },
+#endif
+	{ 0 }
+};
+
+MODULE_DEVICE_TABLE(pci, bnxt_pci_tbl);
+
+static const u16 bnxt_vf_req_snif[] = {
+	HWRM_FUNC_CFG,
+	HWRM_FUNC_VF_CFG,
+	HWRM_PORT_PHY_QCFG,
+	HWRM_CFA_L2_FILTER_ALLOC,
+};
+
+static const u16 bnxt_async_events_arr[] = {
+	ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE,
+	ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD,
+	ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED,
+	ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE,
+	ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE,
+};
+
+static struct workqueue_struct *bnxt_pf_wq;
+
+static bool bnxt_vf_pciid(enum board_idx idx)
+{
+	return (idx == NETXTREME_C_VF || idx == NETXTREME_E_VF ||
+		idx == NETXTREME_S_VF);
+}
+
+#define DB_CP_REARM_FLAGS	(DB_KEY_CP | DB_IDX_VALID)
+#define DB_CP_FLAGS		(DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS)
+#define DB_CP_IRQ_DIS_FLAGS	(DB_KEY_CP | DB_IRQ_DIS)
+
+#define BNXT_CP_DB_REARM(db, raw_cons)					\
+		writel(DB_CP_REARM_FLAGS | RING_CMP(raw_cons), db)
+
+#define BNXT_CP_DB(db, raw_cons)					\
+		writel(DB_CP_FLAGS | RING_CMP(raw_cons), db)
+
+#define BNXT_CP_DB_IRQ_DIS(db)						\
+		writel(DB_CP_IRQ_DIS_FLAGS, db)
+
+const u16 bnxt_lhint_arr[] = {
+	TX_BD_FLAGS_LHINT_512_AND_SMALLER,
+	TX_BD_FLAGS_LHINT_512_TO_1023,
+	TX_BD_FLAGS_LHINT_1024_TO_2047,
+	TX_BD_FLAGS_LHINT_1024_TO_2047,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+	TX_BD_FLAGS_LHINT_2048_AND_LARGER,
+};
+
+static u16 bnxt_xmit_get_cfa_action(struct sk_buff *skb)
+{
+	struct metadata_dst *md_dst = skb_metadata_dst(skb);
+
+	if (!md_dst || md_dst->type != METADATA_HW_PORT_MUX)
+		return 0;
+
+	return md_dst->u.port_info.port_id;
+}
+
+static bool bnxt_txr_netif_try_stop_queue(struct bnxt *bp,
+					  struct bnxt_tx_ring_info *txr,
+					  struct netdev_queue *txq)
+{
+	netif_tx_stop_queue(txq);
+
+	/* netif_tx_stop_queue() must be done before checking
+	 * tx index in bnxt_tx_avail() below, because in
+	 * bnxt_tx_int(), we update tx index before checking for
+	 * netif_tx_queue_stopped().
+	 */
+	smp_mb();
+	if (bnxt_tx_avail(bp, txr) >= bp->tx_wake_thresh) {
+		netif_tx_wake_queue(txq);
+		return false;
+	}
+
+	return true;
+}
+
+static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct tx_bd *txbd;
+	struct tx_bd_ext *txbd1;
+	struct netdev_queue *txq;
+	int i;
+	dma_addr_t mapping;
+	unsigned int length, pad = 0;
+	u32 len, free_size, vlan_tag_flags, cfa_action, flags;
+	u16 prod, last_frag;
+	struct pci_dev *pdev = bp->pdev;
+	struct bnxt_tx_ring_info *txr;
+	struct bnxt_sw_tx_bd *tx_buf;
+
+	i = skb_get_queue_mapping(skb);
+	if (unlikely(i >= bp->tx_nr_rings)) {
+		dev_kfree_skb_any(skb);
+		return NETDEV_TX_OK;
+	}
+
+	txq = netdev_get_tx_queue(dev, i);
+	txr = &bp->tx_ring[bp->tx_ring_map[i]];
+	prod = txr->tx_prod;
+
+	free_size = bnxt_tx_avail(bp, txr);
+	if (unlikely(free_size < skb_shinfo(skb)->nr_frags + 2)) {
+		if (bnxt_txr_netif_try_stop_queue(bp, txr, txq))
+			return NETDEV_TX_BUSY;
+	}
+
+	length = skb->len;
+	len = skb_headlen(skb);
+	last_frag = skb_shinfo(skb)->nr_frags;
+
+	txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
+
+	txbd->tx_bd_opaque = prod;
+
+	tx_buf = &txr->tx_buf_ring[prod];
+	tx_buf->skb = skb;
+	tx_buf->nr_frags = last_frag;
+
+	vlan_tag_flags = 0;
+	cfa_action = bnxt_xmit_get_cfa_action(skb);
+	if (skb_vlan_tag_present(skb)) {
+		vlan_tag_flags = TX_BD_CFA_META_KEY_VLAN |
+				 skb_vlan_tag_get(skb);
+		/* Currently supports 8021Q, 8021AD vlan offloads
+		 * QINQ1, QINQ2, QINQ3 vlan headers are deprecated
+		 */
+		if (skb->vlan_proto == htons(ETH_P_8021Q))
+			vlan_tag_flags |= 1 << TX_BD_CFA_META_TPID_SHIFT;
+	}
+
+	if (free_size == bp->tx_ring_size && length <= bp->tx_push_thresh) {
+		struct tx_push_buffer *tx_push_buf = txr->tx_push;
+		struct tx_push_bd *tx_push = &tx_push_buf->push_bd;
+		struct tx_bd_ext *tx_push1 = &tx_push->txbd2;
+		void *pdata = tx_push_buf->data;
+		u64 *end;
+		int j, push_len;
+
+		/* Set COAL_NOW to be ready quickly for the next push */
+		tx_push->tx_bd_len_flags_type =
+			cpu_to_le32((length << TX_BD_LEN_SHIFT) |
+					TX_BD_TYPE_LONG_TX_BD |
+					TX_BD_FLAGS_LHINT_512_AND_SMALLER |
+					TX_BD_FLAGS_COAL_NOW |
+					TX_BD_FLAGS_PACKET_END |
+					(2 << TX_BD_FLAGS_BD_CNT_SHIFT));
+
+		if (skb->ip_summed == CHECKSUM_PARTIAL)
+			tx_push1->tx_bd_hsize_lflags =
+					cpu_to_le32(TX_BD_FLAGS_TCP_UDP_CHKSUM);
+		else
+			tx_push1->tx_bd_hsize_lflags = 0;
+
+		tx_push1->tx_bd_cfa_meta = cpu_to_le32(vlan_tag_flags);
+		tx_push1->tx_bd_cfa_action =
+			cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT);
+
+		end = pdata + length;
+		end = PTR_ALIGN(end, 8) - 1;
+		*end = 0;
+
+		skb_copy_from_linear_data(skb, pdata, len);
+		pdata += len;
+		for (j = 0; j < last_frag; j++) {
+			skb_frag_t *frag = &skb_shinfo(skb)->frags[j];
+			void *fptr;
+
+			fptr = skb_frag_address_safe(frag);
+			if (!fptr)
+				goto normal_tx;
+
+			memcpy(pdata, fptr, skb_frag_size(frag));
+			pdata += skb_frag_size(frag);
+		}
+
+		txbd->tx_bd_len_flags_type = tx_push->tx_bd_len_flags_type;
+		txbd->tx_bd_haddr = txr->data_mapping;
+		prod = NEXT_TX(prod);
+		txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
+		memcpy(txbd, tx_push1, sizeof(*txbd));
+		prod = NEXT_TX(prod);
+		tx_push->doorbell =
+			cpu_to_le32(DB_KEY_TX_PUSH | DB_LONG_TX_PUSH | prod);
+		txr->tx_prod = prod;
+
+		tx_buf->is_push = 1;
+		netdev_tx_sent_queue(txq, skb->len);
+		wmb();	/* Sync is_push and byte queue before pushing data */
+
+		push_len = (length + sizeof(*tx_push) + 7) / 8;
+		if (push_len > 16) {
+			__iowrite64_copy(txr->tx_doorbell, tx_push_buf, 16);
+			__iowrite32_copy(txr->tx_doorbell + 4, tx_push_buf + 1,
+					 (push_len - 16) << 1);
+		} else {
+			__iowrite64_copy(txr->tx_doorbell, tx_push_buf,
+					 push_len);
+		}
+
+		goto tx_done;
+	}
+
+normal_tx:
+	if (length < BNXT_MIN_PKT_SIZE) {
+		pad = BNXT_MIN_PKT_SIZE - length;
+		if (skb_pad(skb, pad)) {
+			/* SKB already freed. */
+			tx_buf->skb = NULL;
+			return NETDEV_TX_OK;
+		}
+		length = BNXT_MIN_PKT_SIZE;
+	}
+
+	mapping = dma_map_single(&pdev->dev, skb->data, len, DMA_TO_DEVICE);
+
+	if (unlikely(dma_mapping_error(&pdev->dev, mapping))) {
+		dev_kfree_skb_any(skb);
+		tx_buf->skb = NULL;
+		return NETDEV_TX_OK;
+	}
+
+	dma_unmap_addr_set(tx_buf, mapping, mapping);
+	flags = (len << TX_BD_LEN_SHIFT) | TX_BD_TYPE_LONG_TX_BD |
+		((last_frag + 2) << TX_BD_FLAGS_BD_CNT_SHIFT);
+
+	txbd->tx_bd_haddr = cpu_to_le64(mapping);
+
+	prod = NEXT_TX(prod);
+	txbd1 = (struct tx_bd_ext *)
+		&txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
+
+	txbd1->tx_bd_hsize_lflags = 0;
+	if (skb_is_gso(skb)) {
+		u32 hdr_len;
+
+		if (skb->encapsulation)
+			hdr_len = skb_inner_network_offset(skb) +
+				skb_inner_network_header_len(skb) +
+				inner_tcp_hdrlen(skb);
+		else
+			hdr_len = skb_transport_offset(skb) +
+				tcp_hdrlen(skb);
+
+		txbd1->tx_bd_hsize_lflags = cpu_to_le32(TX_BD_FLAGS_LSO |
+					TX_BD_FLAGS_T_IPID |
+					(hdr_len << (TX_BD_HSIZE_SHIFT - 1)));
+		length = skb_shinfo(skb)->gso_size;
+		txbd1->tx_bd_mss = cpu_to_le32(length);
+		length += hdr_len;
+	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		txbd1->tx_bd_hsize_lflags =
+			cpu_to_le32(TX_BD_FLAGS_TCP_UDP_CHKSUM);
+		txbd1->tx_bd_mss = 0;
+	}
+
+	length >>= 9;
+	if (unlikely(length >= ARRAY_SIZE(bnxt_lhint_arr))) {
+		dev_warn_ratelimited(&pdev->dev, "Dropped oversize %d bytes TX packet.\n",
+				     skb->len);
+		i = 0;
+		goto tx_dma_error;
+	}
+	flags |= bnxt_lhint_arr[length];
+	txbd->tx_bd_len_flags_type = cpu_to_le32(flags);
+
+	txbd1->tx_bd_cfa_meta = cpu_to_le32(vlan_tag_flags);
+	txbd1->tx_bd_cfa_action =
+			cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT);
+	for (i = 0; i < last_frag; i++) {
+		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+		prod = NEXT_TX(prod);
+		txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
+
+		len = skb_frag_size(frag);
+		mapping = skb_frag_dma_map(&pdev->dev, frag, 0, len,
+					   DMA_TO_DEVICE);
+
+		if (unlikely(dma_mapping_error(&pdev->dev, mapping)))
+			goto tx_dma_error;
+
+		tx_buf = &txr->tx_buf_ring[prod];
+		dma_unmap_addr_set(tx_buf, mapping, mapping);
+
+		txbd->tx_bd_haddr = cpu_to_le64(mapping);
+
+		flags = len << TX_BD_LEN_SHIFT;
+		txbd->tx_bd_len_flags_type = cpu_to_le32(flags);
+	}
+
+	flags &= ~TX_BD_LEN;
+	txbd->tx_bd_len_flags_type =
+		cpu_to_le32(((len + pad) << TX_BD_LEN_SHIFT) | flags |
+			    TX_BD_FLAGS_PACKET_END);
+
+	netdev_tx_sent_queue(txq, skb->len);
+
+	/* Sync BD data before updating doorbell */
+	wmb();
+
+	prod = NEXT_TX(prod);
+	txr->tx_prod = prod;
+
+	if (!skb->xmit_more || netif_xmit_stopped(txq))
+		bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | prod);
+
+tx_done:
+
+	mmiowb();
+
+	if (unlikely(bnxt_tx_avail(bp, txr) <= MAX_SKB_FRAGS + 1)) {
+		if (skb->xmit_more && !tx_buf->is_push)
+			bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | prod);
+
+		bnxt_txr_netif_try_stop_queue(bp, txr, txq);
+	}
+	return NETDEV_TX_OK;
+
+tx_dma_error:
+	last_frag = i;
+
+	/* start back at beginning and unmap skb */
+	prod = txr->tx_prod;
+	tx_buf = &txr->tx_buf_ring[prod];
+	tx_buf->skb = NULL;
+	dma_unmap_single(&pdev->dev, dma_unmap_addr(tx_buf, mapping),
+			 skb_headlen(skb), PCI_DMA_TODEVICE);
+	prod = NEXT_TX(prod);
+
+	/* unmap remaining mapped pages */
+	for (i = 0; i < last_frag; i++) {
+		prod = NEXT_TX(prod);
+		tx_buf = &txr->tx_buf_ring[prod];
+		dma_unmap_page(&pdev->dev, dma_unmap_addr(tx_buf, mapping),
+			       skb_frag_size(&skb_shinfo(skb)->frags[i]),
+			       PCI_DMA_TODEVICE);
+	}
+
+	dev_kfree_skb_any(skb);
+	return NETDEV_TX_OK;
+}
+
+static void bnxt_tx_int(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts)
+{
+	struct bnxt_tx_ring_info *txr = bnapi->tx_ring;
+	struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, txr->txq_index);
+	u16 cons = txr->tx_cons;
+	struct pci_dev *pdev = bp->pdev;
+	int i;
+	unsigned int tx_bytes = 0;
+
+	for (i = 0; i < nr_pkts; i++) {
+		struct bnxt_sw_tx_bd *tx_buf;
+		struct sk_buff *skb;
+		int j, last;
+
+		tx_buf = &txr->tx_buf_ring[cons];
+		cons = NEXT_TX(cons);
+		skb = tx_buf->skb;
+		tx_buf->skb = NULL;
+
+		if (tx_buf->is_push) {
+			tx_buf->is_push = 0;
+			goto next_tx_int;
+		}
+
+		dma_unmap_single(&pdev->dev, dma_unmap_addr(tx_buf, mapping),
+				 skb_headlen(skb), PCI_DMA_TODEVICE);
+		last = tx_buf->nr_frags;
+
+		for (j = 0; j < last; j++) {
+			cons = NEXT_TX(cons);
+			tx_buf = &txr->tx_buf_ring[cons];
+			dma_unmap_page(
+				&pdev->dev,
+				dma_unmap_addr(tx_buf, mapping),
+				skb_frag_size(&skb_shinfo(skb)->frags[j]),
+				PCI_DMA_TODEVICE);
+		}
+
+next_tx_int:
+		cons = NEXT_TX(cons);
+
+		tx_bytes += skb->len;
+		dev_kfree_skb_any(skb);
+	}
+
+	netdev_tx_completed_queue(txq, nr_pkts, tx_bytes);
+	txr->tx_cons = cons;
+
+	/* Need to make the tx_cons update visible to bnxt_start_xmit()
+	 * before checking for netif_tx_queue_stopped().  Without the
+	 * memory barrier, there is a small possibility that bnxt_start_xmit()
+	 * will miss it and cause the queue to be stopped forever.
+	 */
+	smp_mb();
+
+	if (unlikely(netif_tx_queue_stopped(txq)) &&
+	    bnxt_tx_avail(bp, txr) >= bp->tx_wake_thresh &&
+	    READ_ONCE(txr->dev_state) != BNXT_DEV_STATE_CLOSING)
+		netif_tx_wake_queue(txq);
+}
+
+static struct page *__bnxt_alloc_rx_page(struct bnxt *bp, dma_addr_t *mapping,
+					 gfp_t gfp)
+{
+	struct device *dev = &bp->pdev->dev;
+	struct page *page;
+
+	page = alloc_page(gfp);
+	if (!page)
+		return NULL;
+
+	*mapping = dma_map_page_attrs(dev, page, 0, PAGE_SIZE, bp->rx_dir,
+				      DMA_ATTR_WEAK_ORDERING);
+	if (dma_mapping_error(dev, *mapping)) {
+		__free_page(page);
+		return NULL;
+	}
+	*mapping += bp->rx_dma_offset;
+	return page;
+}
+
+static inline u8 *__bnxt_alloc_rx_data(struct bnxt *bp, dma_addr_t *mapping,
+				       gfp_t gfp)
+{
+	u8 *data;
+	struct pci_dev *pdev = bp->pdev;
+
+	data = kmalloc(bp->rx_buf_size, gfp);
+	if (!data)
+		return NULL;
+
+	*mapping = dma_map_single_attrs(&pdev->dev, data + bp->rx_dma_offset,
+					bp->rx_buf_use_size, bp->rx_dir,
+					DMA_ATTR_WEAK_ORDERING);
+
+	if (dma_mapping_error(&pdev->dev, *mapping)) {
+		kfree(data);
+		data = NULL;
+	}
+	return data;
+}
+
+int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
+		       u16 prod, gfp_t gfp)
+{
+	struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
+	struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[prod];
+	dma_addr_t mapping;
+
+	if (BNXT_RX_PAGE_MODE(bp)) {
+		struct page *page = __bnxt_alloc_rx_page(bp, &mapping, gfp);
+
+		if (!page)
+			return -ENOMEM;
+
+		rx_buf->data = page;
+		rx_buf->data_ptr = page_address(page) + bp->rx_offset;
+	} else {
+		u8 *data = __bnxt_alloc_rx_data(bp, &mapping, gfp);
+
+		if (!data)
+			return -ENOMEM;
+
+		rx_buf->data = data;
+		rx_buf->data_ptr = data + bp->rx_offset;
+	}
+	rx_buf->mapping = mapping;
+
+	rxbd->rx_bd_haddr = cpu_to_le64(mapping);
+	return 0;
+}
+
+void bnxt_reuse_rx_data(struct bnxt_rx_ring_info *rxr, u16 cons, void *data)
+{
+	u16 prod = rxr->rx_prod;
+	struct bnxt_sw_rx_bd *cons_rx_buf, *prod_rx_buf;
+	struct rx_bd *cons_bd, *prod_bd;
+
+	prod_rx_buf = &rxr->rx_buf_ring[prod];
+	cons_rx_buf = &rxr->rx_buf_ring[cons];
+
+	prod_rx_buf->data = data;
+	prod_rx_buf->data_ptr = cons_rx_buf->data_ptr;
+
+	prod_rx_buf->mapping = cons_rx_buf->mapping;
+
+	prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
+	cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
+
+	prod_bd->rx_bd_haddr = cons_bd->rx_bd_haddr;
+}
+
+static inline u16 bnxt_find_next_agg_idx(struct bnxt_rx_ring_info *rxr, u16 idx)
+{
+	u16 next, max = rxr->rx_agg_bmap_size;
+
+	next = find_next_zero_bit(rxr->rx_agg_bmap, max, idx);
+	if (next >= max)
+		next = find_first_zero_bit(rxr->rx_agg_bmap, max);
+	return next;
+}
+
+static inline int bnxt_alloc_rx_page(struct bnxt *bp,
+				     struct bnxt_rx_ring_info *rxr,
+				     u16 prod, gfp_t gfp)
+{
+	struct rx_bd *rxbd =
+		&rxr->rx_agg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
+	struct bnxt_sw_rx_agg_bd *rx_agg_buf;
+	struct pci_dev *pdev = bp->pdev;
+	struct page *page;
+	dma_addr_t mapping;
+	u16 sw_prod = rxr->rx_sw_agg_prod;
+	unsigned int offset = 0;
+
+	if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) {
+		page = rxr->rx_page;
+		if (!page) {
+			page = alloc_page(gfp);
+			if (!page)
+				return -ENOMEM;
+			rxr->rx_page = page;
+			rxr->rx_page_offset = 0;
+		}
+		offset = rxr->rx_page_offset;
+		rxr->rx_page_offset += BNXT_RX_PAGE_SIZE;
+		if (rxr->rx_page_offset == PAGE_SIZE)
+			rxr->rx_page = NULL;
+		else
+			get_page(page);
+	} else {
+		page = alloc_page(gfp);
+		if (!page)
+			return -ENOMEM;
+	}
+
+	mapping = dma_map_page_attrs(&pdev->dev, page, offset,
+				     BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE,
+				     DMA_ATTR_WEAK_ORDERING);
+	if (dma_mapping_error(&pdev->dev, mapping)) {
+		__free_page(page);
+		return -EIO;
+	}
+
+	if (unlikely(test_bit(sw_prod, rxr->rx_agg_bmap)))
+		sw_prod = bnxt_find_next_agg_idx(rxr, sw_prod);
+
+	__set_bit(sw_prod, rxr->rx_agg_bmap);
+	rx_agg_buf = &rxr->rx_agg_ring[sw_prod];
+	rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod);
+
+	rx_agg_buf->page = page;
+	rx_agg_buf->offset = offset;
+	rx_agg_buf->mapping = mapping;
+	rxbd->rx_bd_haddr = cpu_to_le64(mapping);
+	rxbd->rx_bd_opaque = sw_prod;
+	return 0;
+}
+
+static void bnxt_reuse_rx_agg_bufs(struct bnxt_napi *bnapi, u16 cp_cons,
+				   u32 agg_bufs)
+{
+	struct bnxt *bp = bnapi->bp;
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
+	u16 prod = rxr->rx_agg_prod;
+	u16 sw_prod = rxr->rx_sw_agg_prod;
+	u32 i;
+
+	for (i = 0; i < agg_bufs; i++) {
+		u16 cons;
+		struct rx_agg_cmp *agg;
+		struct bnxt_sw_rx_agg_bd *cons_rx_buf, *prod_rx_buf;
+		struct rx_bd *prod_bd;
+		struct page *page;
+
+		agg = (struct rx_agg_cmp *)
+			&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+		cons = agg->rx_agg_cmp_opaque;
+		__clear_bit(cons, rxr->rx_agg_bmap);
+
+		if (unlikely(test_bit(sw_prod, rxr->rx_agg_bmap)))
+			sw_prod = bnxt_find_next_agg_idx(rxr, sw_prod);
+
+		__set_bit(sw_prod, rxr->rx_agg_bmap);
+		prod_rx_buf = &rxr->rx_agg_ring[sw_prod];
+		cons_rx_buf = &rxr->rx_agg_ring[cons];
+
+		/* It is possible for sw_prod to be equal to cons, so
+		 * set cons_rx_buf->page to NULL first.
+		 */
+		page = cons_rx_buf->page;
+		cons_rx_buf->page = NULL;
+		prod_rx_buf->page = page;
+		prod_rx_buf->offset = cons_rx_buf->offset;
+
+		prod_rx_buf->mapping = cons_rx_buf->mapping;
+
+		prod_bd = &rxr->rx_agg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
+
+		prod_bd->rx_bd_haddr = cpu_to_le64(cons_rx_buf->mapping);
+		prod_bd->rx_bd_opaque = sw_prod;
+
+		prod = NEXT_RX_AGG(prod);
+		sw_prod = NEXT_RX_AGG(sw_prod);
+		cp_cons = NEXT_CMP(cp_cons);
+	}
+	rxr->rx_agg_prod = prod;
+	rxr->rx_sw_agg_prod = sw_prod;
+}
+
+static struct sk_buff *bnxt_rx_page_skb(struct bnxt *bp,
+					struct bnxt_rx_ring_info *rxr,
+					u16 cons, void *data, u8 *data_ptr,
+					dma_addr_t dma_addr,
+					unsigned int offset_and_len)
+{
+	unsigned int payload = offset_and_len >> 16;
+	unsigned int len = offset_and_len & 0xffff;
+	struct skb_frag_struct *frag;
+	struct page *page = data;
+	u16 prod = rxr->rx_prod;
+	struct sk_buff *skb;
+	int off, err;
+
+	err = bnxt_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
+	if (unlikely(err)) {
+		bnxt_reuse_rx_data(rxr, cons, data);
+		return NULL;
+	}
+	dma_addr -= bp->rx_dma_offset;
+	dma_unmap_page_attrs(&bp->pdev->dev, dma_addr, PAGE_SIZE, bp->rx_dir,
+			     DMA_ATTR_WEAK_ORDERING);
+
+	if (unlikely(!payload))
+		payload = eth_get_headlen(data_ptr, len);
+
+	skb = napi_alloc_skb(&rxr->bnapi->napi, payload);
+	if (!skb) {
+		__free_page(page);
+		return NULL;
+	}
+
+	off = (void *)data_ptr - page_address(page);
+	skb_add_rx_frag(skb, 0, page, off, len, PAGE_SIZE);
+	memcpy(skb->data - NET_IP_ALIGN, data_ptr - NET_IP_ALIGN,
+	       payload + NET_IP_ALIGN);
+
+	frag = &skb_shinfo(skb)->frags[0];
+	skb_frag_size_sub(frag, payload);
+	frag->page_offset += payload;
+	skb->data_len -= payload;
+	skb->tail += payload;
+
+	return skb;
+}
+
+static struct sk_buff *bnxt_rx_skb(struct bnxt *bp,
+				   struct bnxt_rx_ring_info *rxr, u16 cons,
+				   void *data, u8 *data_ptr,
+				   dma_addr_t dma_addr,
+				   unsigned int offset_and_len)
+{
+	u16 prod = rxr->rx_prod;
+	struct sk_buff *skb;
+	int err;
+
+	err = bnxt_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
+	if (unlikely(err)) {
+		bnxt_reuse_rx_data(rxr, cons, data);
+		return NULL;
+	}
+
+	skb = build_skb(data, 0);
+	dma_unmap_single_attrs(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
+			       bp->rx_dir, DMA_ATTR_WEAK_ORDERING);
+	if (!skb) {
+		kfree(data);
+		return NULL;
+	}
+
+	skb_reserve(skb, bp->rx_offset);
+	skb_put(skb, offset_and_len & 0xffff);
+	return skb;
+}
+
+static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi,
+				     struct sk_buff *skb, u16 cp_cons,
+				     u32 agg_bufs)
+{
+	struct pci_dev *pdev = bp->pdev;
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
+	u16 prod = rxr->rx_agg_prod;
+	u32 i;
+
+	for (i = 0; i < agg_bufs; i++) {
+		u16 cons, frag_len;
+		struct rx_agg_cmp *agg;
+		struct bnxt_sw_rx_agg_bd *cons_rx_buf;
+		struct page *page;
+		dma_addr_t mapping;
+
+		agg = (struct rx_agg_cmp *)
+			&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+		cons = agg->rx_agg_cmp_opaque;
+		frag_len = (le32_to_cpu(agg->rx_agg_cmp_len_flags_type) &
+			    RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT;
+
+		cons_rx_buf = &rxr->rx_agg_ring[cons];
+		skb_fill_page_desc(skb, i, cons_rx_buf->page,
+				   cons_rx_buf->offset, frag_len);
+		__clear_bit(cons, rxr->rx_agg_bmap);
+
+		/* It is possible for bnxt_alloc_rx_page() to allocate
+		 * a sw_prod index that equals the cons index, so we
+		 * need to clear the cons entry now.
+		 */
+		mapping = cons_rx_buf->mapping;
+		page = cons_rx_buf->page;
+		cons_rx_buf->page = NULL;
+
+		if (bnxt_alloc_rx_page(bp, rxr, prod, GFP_ATOMIC) != 0) {
+			struct skb_shared_info *shinfo;
+			unsigned int nr_frags;
+
+			shinfo = skb_shinfo(skb);
+			nr_frags = --shinfo->nr_frags;
+			__skb_frag_set_page(&shinfo->frags[nr_frags], NULL);
+
+			dev_kfree_skb(skb);
+
+			cons_rx_buf->page = page;
+
+			/* Update prod since possibly some pages have been
+			 * allocated already.
+			 */
+			rxr->rx_agg_prod = prod;
+			bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs - i);
+			return NULL;
+		}
+
+		dma_unmap_page_attrs(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE,
+				     PCI_DMA_FROMDEVICE,
+				     DMA_ATTR_WEAK_ORDERING);
+
+		skb->data_len += frag_len;
+		skb->len += frag_len;
+		skb->truesize += PAGE_SIZE;
+
+		prod = NEXT_RX_AGG(prod);
+		cp_cons = NEXT_CMP(cp_cons);
+	}
+	rxr->rx_agg_prod = prod;
+	return skb;
+}
+
+static int bnxt_agg_bufs_valid(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
+			       u8 agg_bufs, u32 *raw_cons)
+{
+	u16 last;
+	struct rx_agg_cmp *agg;
+
+	*raw_cons = ADV_RAW_CMP(*raw_cons, agg_bufs);
+	last = RING_CMP(*raw_cons);
+	agg = (struct rx_agg_cmp *)
+		&cpr->cp_desc_ring[CP_RING(last)][CP_IDX(last)];
+	return RX_AGG_CMP_VALID(agg, *raw_cons);
+}
+
+static inline struct sk_buff *bnxt_copy_skb(struct bnxt_napi *bnapi, u8 *data,
+					    unsigned int len,
+					    dma_addr_t mapping)
+{
+	struct bnxt *bp = bnapi->bp;
+	struct pci_dev *pdev = bp->pdev;
+	struct sk_buff *skb;
+
+	skb = napi_alloc_skb(&bnapi->napi, len);
+	if (!skb)
+		return NULL;
+
+	dma_sync_single_for_cpu(&pdev->dev, mapping, bp->rx_copy_thresh,
+				bp->rx_dir);
+
+	memcpy(skb->data - NET_IP_ALIGN, data - NET_IP_ALIGN,
+	       len + NET_IP_ALIGN);
+
+	dma_sync_single_for_device(&pdev->dev, mapping, bp->rx_copy_thresh,
+				   bp->rx_dir);
+
+	skb_put(skb, len);
+	return skb;
+}
+
+static int bnxt_discard_rx(struct bnxt *bp, struct bnxt_napi *bnapi,
+			   u32 *raw_cons, void *cmp)
+{
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	struct rx_cmp *rxcmp = cmp;
+	u32 tmp_raw_cons = *raw_cons;
+	u8 cmp_type, agg_bufs = 0;
+
+	cmp_type = RX_CMP_TYPE(rxcmp);
+
+	if (cmp_type == CMP_TYPE_RX_L2_CMP) {
+		agg_bufs = (le32_to_cpu(rxcmp->rx_cmp_misc_v1) &
+			    RX_CMP_AGG_BUFS) >>
+			   RX_CMP_AGG_BUFS_SHIFT;
+	} else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) {
+		struct rx_tpa_end_cmp *tpa_end = cmp;
+
+		agg_bufs = (le32_to_cpu(tpa_end->rx_tpa_end_cmp_misc_v1) &
+			    RX_TPA_END_CMP_AGG_BUFS) >>
+			   RX_TPA_END_CMP_AGG_BUFS_SHIFT;
+	}
+
+	if (agg_bufs) {
+		if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, &tmp_raw_cons))
+			return -EBUSY;
+	}
+	*raw_cons = tmp_raw_cons;
+	return 0;
+}
+
+static void bnxt_queue_sp_work(struct bnxt *bp)
+{
+	if (BNXT_PF(bp))
+		queue_work(bnxt_pf_wq, &bp->sp_task);
+	else
+		schedule_work(&bp->sp_task);
+}
+
+static void bnxt_cancel_sp_work(struct bnxt *bp)
+{
+	if (BNXT_PF(bp))
+		flush_workqueue(bnxt_pf_wq);
+	else
+		cancel_work_sync(&bp->sp_task);
+}
+
+static void bnxt_sched_reset(struct bnxt *bp, struct bnxt_rx_ring_info *rxr)
+{
+	if (!rxr->bnapi->in_reset) {
+		rxr->bnapi->in_reset = true;
+		set_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event);
+		bnxt_queue_sp_work(bp);
+	}
+	rxr->rx_next_cons = 0xffff;
+}
+
+static void bnxt_tpa_start(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
+			   struct rx_tpa_start_cmp *tpa_start,
+			   struct rx_tpa_start_cmp_ext *tpa_start1)
+{
+	u8 agg_id = TPA_START_AGG_ID(tpa_start);
+	u16 cons, prod;
+	struct bnxt_tpa_info *tpa_info;
+	struct bnxt_sw_rx_bd *cons_rx_buf, *prod_rx_buf;
+	struct rx_bd *prod_bd;
+	dma_addr_t mapping;
+
+	cons = tpa_start->rx_tpa_start_cmp_opaque;
+	prod = rxr->rx_prod;
+	cons_rx_buf = &rxr->rx_buf_ring[cons];
+	prod_rx_buf = &rxr->rx_buf_ring[prod];
+	tpa_info = &rxr->rx_tpa[agg_id];
+
+	if (unlikely(cons != rxr->rx_next_cons)) {
+		netdev_warn(bp->dev, "TPA cons %x != expected cons %x\n",
+			    cons, rxr->rx_next_cons);
+		bnxt_sched_reset(bp, rxr);
+		return;
+	}
+	/* Store cfa_code in tpa_info to use in tpa_end
+	 * completion processing.
+	 */
+	tpa_info->cfa_code = TPA_START_CFA_CODE(tpa_start1);
+	prod_rx_buf->data = tpa_info->data;
+	prod_rx_buf->data_ptr = tpa_info->data_ptr;
+
+	mapping = tpa_info->mapping;
+	prod_rx_buf->mapping = mapping;
+
+	prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
+
+	prod_bd->rx_bd_haddr = cpu_to_le64(mapping);
+
+	tpa_info->data = cons_rx_buf->data;
+	tpa_info->data_ptr = cons_rx_buf->data_ptr;
+	cons_rx_buf->data = NULL;
+	tpa_info->mapping = cons_rx_buf->mapping;
+
+	tpa_info->len =
+		le32_to_cpu(tpa_start->rx_tpa_start_cmp_len_flags_type) >>
+				RX_TPA_START_CMP_LEN_SHIFT;
+	if (likely(TPA_START_HASH_VALID(tpa_start))) {
+		u32 hash_type = TPA_START_HASH_TYPE(tpa_start);
+
+		tpa_info->hash_type = PKT_HASH_TYPE_L4;
+		tpa_info->gso_type = SKB_GSO_TCPV4;
+		/* RSS profiles 1 and 3 with extract code 0 for inner 4-tuple */
+		if (hash_type == 3 || TPA_START_IS_IPV6(tpa_start1))
+			tpa_info->gso_type = SKB_GSO_TCPV6;
+		tpa_info->rss_hash =
+			le32_to_cpu(tpa_start->rx_tpa_start_cmp_rss_hash);
+	} else {
+		tpa_info->hash_type = PKT_HASH_TYPE_NONE;
+		tpa_info->gso_type = 0;
+		if (netif_msg_rx_err(bp))
+			netdev_warn(bp->dev, "TPA packet without valid hash\n");
+	}
+	tpa_info->flags2 = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_flags2);
+	tpa_info->metadata = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_metadata);
+	tpa_info->hdr_info = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_hdr_info);
+
+	rxr->rx_prod = NEXT_RX(prod);
+	cons = NEXT_RX(cons);
+	rxr->rx_next_cons = NEXT_RX(cons);
+	cons_rx_buf = &rxr->rx_buf_ring[cons];
+
+	bnxt_reuse_rx_data(rxr, cons, cons_rx_buf->data);
+	rxr->rx_prod = NEXT_RX(rxr->rx_prod);
+	cons_rx_buf->data = NULL;
+}
+
+static void bnxt_abort_tpa(struct bnxt *bp, struct bnxt_napi *bnapi,
+			   u16 cp_cons, u32 agg_bufs)
+{
+	if (agg_bufs)
+		bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs);
+}
+
+static struct sk_buff *bnxt_gro_func_5731x(struct bnxt_tpa_info *tpa_info,
+					   int payload_off, int tcp_ts,
+					   struct sk_buff *skb)
+{
+#ifdef CONFIG_INET
+	struct tcphdr *th;
+	int len, nw_off;
+	u16 outer_ip_off, inner_ip_off, inner_mac_off;
+	u32 hdr_info = tpa_info->hdr_info;
+	bool loopback = false;
+
+	inner_ip_off = BNXT_TPA_INNER_L3_OFF(hdr_info);
+	inner_mac_off = BNXT_TPA_INNER_L2_OFF(hdr_info);
+	outer_ip_off = BNXT_TPA_OUTER_L3_OFF(hdr_info);
+
+	/* If the packet is an internal loopback packet, the offsets will
+	 * have an extra 4 bytes.
+	 */
+	if (inner_mac_off == 4) {
+		loopback = true;
+	} else if (inner_mac_off > 4) {
+		__be16 proto = *((__be16 *)(skb->data + inner_ip_off -
+					    ETH_HLEN - 2));
+
+		/* We only support inner iPv4/ipv6.  If we don't see the
+		 * correct protocol ID, it must be a loopback packet where
+		 * the offsets are off by 4.
+		 */
+		if (proto != htons(ETH_P_IP) && proto != htons(ETH_P_IPV6))
+			loopback = true;
+	}
+	if (loopback) {
+		/* internal loopback packet, subtract all offsets by 4 */
+		inner_ip_off -= 4;
+		inner_mac_off -= 4;
+		outer_ip_off -= 4;
+	}
+
+	nw_off = inner_ip_off - ETH_HLEN;
+	skb_set_network_header(skb, nw_off);
+	if (tpa_info->flags2 & RX_TPA_START_CMP_FLAGS2_IP_TYPE) {
+		struct ipv6hdr *iph = ipv6_hdr(skb);
+
+		skb_set_transport_header(skb, nw_off + sizeof(struct ipv6hdr));
+		len = skb->len - skb_transport_offset(skb);
+		th = tcp_hdr(skb);
+		th->check = ~tcp_v6_check(len, &iph->saddr, &iph->daddr, 0);
+	} else {
+		struct iphdr *iph = ip_hdr(skb);
+
+		skb_set_transport_header(skb, nw_off + sizeof(struct iphdr));
+		len = skb->len - skb_transport_offset(skb);
+		th = tcp_hdr(skb);
+		th->check = ~tcp_v4_check(len, iph->saddr, iph->daddr, 0);
+	}
+
+	if (inner_mac_off) { /* tunnel */
+		struct udphdr *uh = NULL;
+		__be16 proto = *((__be16 *)(skb->data + outer_ip_off -
+					    ETH_HLEN - 2));
+
+		if (proto == htons(ETH_P_IP)) {
+			struct iphdr *iph = (struct iphdr *)skb->data;
+
+			if (iph->protocol == IPPROTO_UDP)
+				uh = (struct udphdr *)(iph + 1);
+		} else {
+			struct ipv6hdr *iph = (struct ipv6hdr *)skb->data;
+
+			if (iph->nexthdr == IPPROTO_UDP)
+				uh = (struct udphdr *)(iph + 1);
+		}
+		if (uh) {
+			if (uh->check)
+				skb_shinfo(skb)->gso_type |=
+					SKB_GSO_UDP_TUNNEL_CSUM;
+			else
+				skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL;
+		}
+	}
+#endif
+	return skb;
+}
+
+#define BNXT_IPV4_HDR_SIZE	(sizeof(struct iphdr) + sizeof(struct tcphdr))
+#define BNXT_IPV6_HDR_SIZE	(sizeof(struct ipv6hdr) + sizeof(struct tcphdr))
+
+static struct sk_buff *bnxt_gro_func_5730x(struct bnxt_tpa_info *tpa_info,
+					   int payload_off, int tcp_ts,
+					   struct sk_buff *skb)
+{
+#ifdef CONFIG_INET
+	struct tcphdr *th;
+	int len, nw_off, tcp_opt_len = 0;
+
+	if (tcp_ts)
+		tcp_opt_len = 12;
+
+	if (tpa_info->gso_type == SKB_GSO_TCPV4) {
+		struct iphdr *iph;
+
+		nw_off = payload_off - BNXT_IPV4_HDR_SIZE - tcp_opt_len -
+			 ETH_HLEN;
+		skb_set_network_header(skb, nw_off);
+		iph = ip_hdr(skb);
+		skb_set_transport_header(skb, nw_off + sizeof(struct iphdr));
+		len = skb->len - skb_transport_offset(skb);
+		th = tcp_hdr(skb);
+		th->check = ~tcp_v4_check(len, iph->saddr, iph->daddr, 0);
+	} else if (tpa_info->gso_type == SKB_GSO_TCPV6) {
+		struct ipv6hdr *iph;
+
+		nw_off = payload_off - BNXT_IPV6_HDR_SIZE - tcp_opt_len -
+			 ETH_HLEN;
+		skb_set_network_header(skb, nw_off);
+		iph = ipv6_hdr(skb);
+		skb_set_transport_header(skb, nw_off + sizeof(struct ipv6hdr));
+		len = skb->len - skb_transport_offset(skb);
+		th = tcp_hdr(skb);
+		th->check = ~tcp_v6_check(len, &iph->saddr, &iph->daddr, 0);
+	} else {
+		dev_kfree_skb_any(skb);
+		return NULL;
+	}
+
+	if (nw_off) { /* tunnel */
+		struct udphdr *uh = NULL;
+
+		if (skb->protocol == htons(ETH_P_IP)) {
+			struct iphdr *iph = (struct iphdr *)skb->data;
+
+			if (iph->protocol == IPPROTO_UDP)
+				uh = (struct udphdr *)(iph + 1);
+		} else {
+			struct ipv6hdr *iph = (struct ipv6hdr *)skb->data;
+
+			if (iph->nexthdr == IPPROTO_UDP)
+				uh = (struct udphdr *)(iph + 1);
+		}
+		if (uh) {
+			if (uh->check)
+				skb_shinfo(skb)->gso_type |=
+					SKB_GSO_UDP_TUNNEL_CSUM;
+			else
+				skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL;
+		}
+	}
+#endif
+	return skb;
+}
+
+static inline struct sk_buff *bnxt_gro_skb(struct bnxt *bp,
+					   struct bnxt_tpa_info *tpa_info,
+					   struct rx_tpa_end_cmp *tpa_end,
+					   struct rx_tpa_end_cmp_ext *tpa_end1,
+					   struct sk_buff *skb)
+{
+#ifdef CONFIG_INET
+	int payload_off;
+	u16 segs;
+
+	segs = TPA_END_TPA_SEGS(tpa_end);
+	if (segs == 1)
+		return skb;
+
+	NAPI_GRO_CB(skb)->count = segs;
+	skb_shinfo(skb)->gso_size =
+		le32_to_cpu(tpa_end1->rx_tpa_end_cmp_seg_len);
+	skb_shinfo(skb)->gso_type = tpa_info->gso_type;
+	payload_off = (le32_to_cpu(tpa_end->rx_tpa_end_cmp_misc_v1) &
+		       RX_TPA_END_CMP_PAYLOAD_OFFSET) >>
+		      RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT;
+	skb = bp->gro_func(tpa_info, payload_off, TPA_END_GRO_TS(tpa_end), skb);
+	if (likely(skb))
+		tcp_gro_complete(skb);
+#endif
+	return skb;
+}
+
+/* Given the cfa_code of a received packet determine which
+ * netdev (vf-rep or PF) the packet is destined to.
+ */
+static struct net_device *bnxt_get_pkt_dev(struct bnxt *bp, u16 cfa_code)
+{
+	struct net_device *dev = bnxt_get_vf_rep(bp, cfa_code);
+
+	/* if vf-rep dev is NULL, the must belongs to the PF */
+	return dev ? dev : bp->dev;
+}
+
+static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp,
+					   struct bnxt_napi *bnapi,
+					   u32 *raw_cons,
+					   struct rx_tpa_end_cmp *tpa_end,
+					   struct rx_tpa_end_cmp_ext *tpa_end1,
+					   u8 *event)
+{
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
+	u8 agg_id = TPA_END_AGG_ID(tpa_end);
+	u8 *data_ptr, agg_bufs;
+	u16 cp_cons = RING_CMP(*raw_cons);
+	unsigned int len;
+	struct bnxt_tpa_info *tpa_info;
+	dma_addr_t mapping;
+	struct sk_buff *skb;
+	void *data;
+
+	if (unlikely(bnapi->in_reset)) {
+		int rc = bnxt_discard_rx(bp, bnapi, raw_cons, tpa_end);
+
+		if (rc < 0)
+			return ERR_PTR(-EBUSY);
+		return NULL;
+	}
+
+	tpa_info = &rxr->rx_tpa[agg_id];
+	data = tpa_info->data;
+	data_ptr = tpa_info->data_ptr;
+	prefetch(data_ptr);
+	len = tpa_info->len;
+	mapping = tpa_info->mapping;
+
+	agg_bufs = (le32_to_cpu(tpa_end->rx_tpa_end_cmp_misc_v1) &
+		    RX_TPA_END_CMP_AGG_BUFS) >> RX_TPA_END_CMP_AGG_BUFS_SHIFT;
+
+	if (agg_bufs) {
+		if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, raw_cons))
+			return ERR_PTR(-EBUSY);
+
+		*event |= BNXT_AGG_EVENT;
+		cp_cons = NEXT_CMP(cp_cons);
+	}
+
+	if (unlikely(agg_bufs > MAX_SKB_FRAGS || TPA_END_ERRORS(tpa_end1))) {
+		bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
+		if (agg_bufs > MAX_SKB_FRAGS)
+			netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n",
+				    agg_bufs, (int)MAX_SKB_FRAGS);
+		return NULL;
+	}
+
+	if (len <= bp->rx_copy_thresh) {
+		skb = bnxt_copy_skb(bnapi, data_ptr, len, mapping);
+		if (!skb) {
+			bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
+			return NULL;
+		}
+	} else {
+		u8 *new_data;
+		dma_addr_t new_mapping;
+
+		new_data = __bnxt_alloc_rx_data(bp, &new_mapping, GFP_ATOMIC);
+		if (!new_data) {
+			bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
+			return NULL;
+		}
+
+		tpa_info->data = new_data;
+		tpa_info->data_ptr = new_data + bp->rx_offset;
+		tpa_info->mapping = new_mapping;
+
+		skb = build_skb(data, 0);
+		dma_unmap_single_attrs(&bp->pdev->dev, mapping,
+				       bp->rx_buf_use_size, bp->rx_dir,
+				       DMA_ATTR_WEAK_ORDERING);
+
+		if (!skb) {
+			kfree(data);
+			bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
+			return NULL;
+		}
+		skb_reserve(skb, bp->rx_offset);
+		skb_put(skb, len);
+	}
+
+	if (agg_bufs) {
+		skb = bnxt_rx_pages(bp, bnapi, skb, cp_cons, agg_bufs);
+		if (!skb) {
+			/* Page reuse already handled by bnxt_rx_pages(). */
+			return NULL;
+		}
+	}
+
+	skb->protocol =
+		eth_type_trans(skb, bnxt_get_pkt_dev(bp, tpa_info->cfa_code));
+
+	if (tpa_info->hash_type != PKT_HASH_TYPE_NONE)
+		skb_set_hash(skb, tpa_info->rss_hash, tpa_info->hash_type);
+
+	if ((tpa_info->flags2 & RX_CMP_FLAGS2_META_FORMAT_VLAN) &&
+	    (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) {
+		u16 vlan_proto = tpa_info->metadata >>
+			RX_CMP_FLAGS2_METADATA_TPID_SFT;
+		u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_TCI_MASK;
+
+		__vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag);
+	}
+
+	skb_checksum_none_assert(skb);
+	if (likely(tpa_info->flags2 & RX_TPA_START_CMP_FLAGS2_L4_CS_CALC)) {
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+		skb->csum_level =
+			(tpa_info->flags2 & RX_CMP_FLAGS2_T_L4_CS_CALC) >> 3;
+	}
+
+	if (TPA_END_GRO(tpa_end))
+		skb = bnxt_gro_skb(bp, tpa_info, tpa_end, tpa_end1, skb);
+
+	return skb;
+}
+
+static void bnxt_deliver_skb(struct bnxt *bp, struct bnxt_napi *bnapi,
+			     struct sk_buff *skb)
+{
+	if (skb->dev != bp->dev) {
+		/* this packet belongs to a vf-rep */
+		bnxt_vf_rep_rx(bp, skb);
+		return;
+	}
+	skb_record_rx_queue(skb, bnapi->index);
+	napi_gro_receive(&bnapi->napi, skb);
+}
+
+/* returns the following:
+ * 1       - 1 packet successfully received
+ * 0       - successful TPA_START, packet not completed yet
+ * -EBUSY  - completion ring does not have all the agg buffers yet
+ * -ENOMEM - packet aborted due to out of memory
+ * -EIO    - packet aborted due to hw error indicated in BD
+ */
+static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_napi *bnapi, u32 *raw_cons,
+		       u8 *event)
+{
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
+	struct net_device *dev = bp->dev;
+	struct rx_cmp *rxcmp;
+	struct rx_cmp_ext *rxcmp1;
+	u32 tmp_raw_cons = *raw_cons;
+	u16 cfa_code, cons, prod, cp_cons = RING_CMP(tmp_raw_cons);
+	struct bnxt_sw_rx_bd *rx_buf;
+	unsigned int len;
+	u8 *data_ptr, agg_bufs, cmp_type;
+	dma_addr_t dma_addr;
+	struct sk_buff *skb;
+	void *data;
+	int rc = 0;
+	u32 misc;
+
+	rxcmp = (struct rx_cmp *)
+			&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+
+	tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons);
+	cp_cons = RING_CMP(tmp_raw_cons);
+	rxcmp1 = (struct rx_cmp_ext *)
+			&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+
+	if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
+		return -EBUSY;
+
+	cmp_type = RX_CMP_TYPE(rxcmp);
+
+	prod = rxr->rx_prod;
+
+	if (cmp_type == CMP_TYPE_RX_L2_TPA_START_CMP) {
+		bnxt_tpa_start(bp, rxr, (struct rx_tpa_start_cmp *)rxcmp,
+			       (struct rx_tpa_start_cmp_ext *)rxcmp1);
+
+		*event |= BNXT_RX_EVENT;
+		goto next_rx_no_prod_no_len;
+
+	} else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) {
+		skb = bnxt_tpa_end(bp, bnapi, &tmp_raw_cons,
+				   (struct rx_tpa_end_cmp *)rxcmp,
+				   (struct rx_tpa_end_cmp_ext *)rxcmp1, event);
+
+		if (IS_ERR(skb))
+			return -EBUSY;
+
+		rc = -ENOMEM;
+		if (likely(skb)) {
+			bnxt_deliver_skb(bp, bnapi, skb);
+			rc = 1;
+		}
+		*event |= BNXT_RX_EVENT;
+		goto next_rx_no_prod_no_len;
+	}
+
+	cons = rxcmp->rx_cmp_opaque;
+	if (unlikely(cons != rxr->rx_next_cons)) {
+		int rc1 = bnxt_discard_rx(bp, bnapi, raw_cons, rxcmp);
+
+		netdev_warn(bp->dev, "RX cons %x != expected cons %x\n",
+			    cons, rxr->rx_next_cons);
+		bnxt_sched_reset(bp, rxr);
+		return rc1;
+	}
+	rx_buf = &rxr->rx_buf_ring[cons];
+	data = rx_buf->data;
+	data_ptr = rx_buf->data_ptr;
+	prefetch(data_ptr);
+
+	misc = le32_to_cpu(rxcmp->rx_cmp_misc_v1);
+	agg_bufs = (misc & RX_CMP_AGG_BUFS) >> RX_CMP_AGG_BUFS_SHIFT;
+
+	if (agg_bufs) {
+		if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, &tmp_raw_cons))
+			return -EBUSY;
+
+		cp_cons = NEXT_CMP(cp_cons);
+		*event |= BNXT_AGG_EVENT;
+	}
+	*event |= BNXT_RX_EVENT;
+
+	rx_buf->data = NULL;
+	if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L2_ERRORS) {
+		u32 rx_err = le32_to_cpu(rxcmp1->rx_cmp_cfa_code_errors_v2);
+
+		bnxt_reuse_rx_data(rxr, cons, data);
+		if (agg_bufs)
+			bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs);
+
+		rc = -EIO;
+		if (rx_err & RX_CMPL_ERRORS_BUFFER_ERROR_MASK) {
+			netdev_warn(bp->dev, "RX buffer error %x\n", rx_err);
+			bnxt_sched_reset(bp, rxr);
+		}
+		goto next_rx_no_len;
+	}
+
+	len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
+	dma_addr = rx_buf->mapping;
+
+	if (bnxt_rx_xdp(bp, rxr, cons, data, &data_ptr, &len, event)) {
+		rc = 1;
+		goto next_rx;
+	}
+
+	if (len <= bp->rx_copy_thresh) {
+		skb = bnxt_copy_skb(bnapi, data_ptr, len, dma_addr);
+		bnxt_reuse_rx_data(rxr, cons, data);
+		if (!skb) {
+			if (agg_bufs)
+				bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs);
+			rc = -ENOMEM;
+			goto next_rx;
+		}
+	} else {
+		u32 payload;
+
+		if (rx_buf->data_ptr == data_ptr)
+			payload = misc & RX_CMP_PAYLOAD_OFFSET;
+		else
+			payload = 0;
+		skb = bp->rx_skb_func(bp, rxr, cons, data, data_ptr, dma_addr,
+				      payload | len);
+		if (!skb) {
+			rc = -ENOMEM;
+			goto next_rx;
+		}
+	}
+
+	if (agg_bufs) {
+		skb = bnxt_rx_pages(bp, bnapi, skb, cp_cons, agg_bufs);
+		if (!skb) {
+			rc = -ENOMEM;
+			goto next_rx;
+		}
+	}
+
+	if (RX_CMP_HASH_VALID(rxcmp)) {
+		u32 hash_type = RX_CMP_HASH_TYPE(rxcmp);
+		enum pkt_hash_types type = PKT_HASH_TYPE_L4;
+
+		/* RSS profiles 1 and 3 with extract code 0 for inner 4-tuple */
+		if (hash_type != 1 && hash_type != 3)
+			type = PKT_HASH_TYPE_L3;
+		skb_set_hash(skb, le32_to_cpu(rxcmp->rx_cmp_rss_hash), type);
+	}
+
+	cfa_code = RX_CMP_CFA_CODE(rxcmp1);
+	skb->protocol = eth_type_trans(skb, bnxt_get_pkt_dev(bp, cfa_code));
+
+	if ((rxcmp1->rx_cmp_flags2 &
+	     cpu_to_le32(RX_CMP_FLAGS2_META_FORMAT_VLAN)) &&
+	    (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) {
+		u32 meta_data = le32_to_cpu(rxcmp1->rx_cmp_meta_data);
+		u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_TCI_MASK;
+		u16 vlan_proto = meta_data >> RX_CMP_FLAGS2_METADATA_TPID_SFT;
+
+		__vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag);
+	}
+
+	skb_checksum_none_assert(skb);
+	if (RX_CMP_L4_CS_OK(rxcmp1)) {
+		if (dev->features & NETIF_F_RXCSUM) {
+			skb->ip_summed = CHECKSUM_UNNECESSARY;
+			skb->csum_level = RX_CMP_ENCAP(rxcmp1);
+		}
+	} else {
+		if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L4_CS_ERR_BITS) {
+			if (dev->features & NETIF_F_RXCSUM)
+				cpr->rx_l4_csum_errors++;
+		}
+	}
+
+	bnxt_deliver_skb(bp, bnapi, skb);
+	rc = 1;
+
+next_rx:
+	cpr->rx_packets += 1;
+	cpr->rx_bytes += len;
+
+next_rx_no_len:
+	rxr->rx_prod = NEXT_RX(prod);
+	rxr->rx_next_cons = NEXT_RX(cons);
+
+next_rx_no_prod_no_len:
+	*raw_cons = tmp_raw_cons;
+
+	return rc;
+}
+
+/* In netpoll mode, if we are using a combined completion ring, we need to
+ * discard the rx packets and recycle the buffers.
+ */
+static int bnxt_force_rx_discard(struct bnxt *bp, struct bnxt_napi *bnapi,
+				 u32 *raw_cons, u8 *event)
+{
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	u32 tmp_raw_cons = *raw_cons;
+	struct rx_cmp_ext *rxcmp1;
+	struct rx_cmp *rxcmp;
+	u16 cp_cons;
+	u8 cmp_type;
+
+	cp_cons = RING_CMP(tmp_raw_cons);
+	rxcmp = (struct rx_cmp *)
+			&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+
+	tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons);
+	cp_cons = RING_CMP(tmp_raw_cons);
+	rxcmp1 = (struct rx_cmp_ext *)
+			&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+
+	if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
+		return -EBUSY;
+
+	cmp_type = RX_CMP_TYPE(rxcmp);
+	if (cmp_type == CMP_TYPE_RX_L2_CMP) {
+		rxcmp1->rx_cmp_cfa_code_errors_v2 |=
+			cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR);
+	} else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) {
+		struct rx_tpa_end_cmp_ext *tpa_end1;
+
+		tpa_end1 = (struct rx_tpa_end_cmp_ext *)rxcmp1;
+		tpa_end1->rx_tpa_end_cmp_errors_v2 |=
+			cpu_to_le32(RX_TPA_END_CMP_ERRORS);
+	}
+	return bnxt_rx_pkt(bp, bnapi, raw_cons, event);
+}
+
+#define BNXT_GET_EVENT_PORT(data)	\
+	((data) &			\
+	 ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK)
+
+static int bnxt_async_event_process(struct bnxt *bp,
+				    struct hwrm_async_event_cmpl *cmpl)
+{
+	u16 event_id = le16_to_cpu(cmpl->event_id);
+
+	/* TODO CHIMP_FW: Define event id's for link change, error etc */
+	switch (event_id) {
+	case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: {
+		u32 data1 = le32_to_cpu(cmpl->event_data1);
+		struct bnxt_link_info *link_info = &bp->link_info;
+
+		if (BNXT_VF(bp))
+			goto async_event_process_exit;
+
+		/* print unsupported speed warning in forced speed mode only */
+		if (!(link_info->autoneg & BNXT_AUTONEG_SPEED) &&
+		    (data1 & 0x20000)) {
+			u16 fw_speed = link_info->force_link_speed;
+			u32 speed = bnxt_fw_to_ethtool_speed(fw_speed);
+
+			if (speed != SPEED_UNKNOWN)
+				netdev_warn(bp->dev, "Link speed %d no longer supported\n",
+					    speed);
+		}
+		set_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, &bp->sp_event);
+	}
+	/* fall through */
+	case ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
+		set_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event);
+		break;
+	case ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
+		set_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event);
+		break;
+	case ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: {
+		u32 data1 = le32_to_cpu(cmpl->event_data1);
+		u16 port_id = BNXT_GET_EVENT_PORT(data1);
+
+		if (BNXT_VF(bp))
+			break;
+
+		if (bp->pf.port_id != port_id)
+			break;
+
+		set_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event);
+		break;
+	}
+	case ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
+		if (BNXT_PF(bp))
+			goto async_event_process_exit;
+		set_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event);
+		break;
+	default:
+		goto async_event_process_exit;
+	}
+	bnxt_queue_sp_work(bp);
+async_event_process_exit:
+	bnxt_ulp_async_events(bp, cmpl);
+	return 0;
+}
+
+static int bnxt_hwrm_handler(struct bnxt *bp, struct tx_cmp *txcmp)
+{
+	u16 cmpl_type = TX_CMP_TYPE(txcmp), vf_id, seq_id;
+	struct hwrm_cmpl *h_cmpl = (struct hwrm_cmpl *)txcmp;
+	struct hwrm_fwd_req_cmpl *fwd_req_cmpl =
+				(struct hwrm_fwd_req_cmpl *)txcmp;
+
+	switch (cmpl_type) {
+	case CMPL_BASE_TYPE_HWRM_DONE:
+		seq_id = le16_to_cpu(h_cmpl->sequence_id);
+		if (seq_id == bp->hwrm_intr_seq_id)
+			bp->hwrm_intr_seq_id = HWRM_SEQ_ID_INVALID;
+		else
+			netdev_err(bp->dev, "Invalid hwrm seq id %d\n", seq_id);
+		break;
+
+	case CMPL_BASE_TYPE_HWRM_FWD_REQ:
+		vf_id = le16_to_cpu(fwd_req_cmpl->source_id);
+
+		if ((vf_id < bp->pf.first_vf_id) ||
+		    (vf_id >= bp->pf.first_vf_id + bp->pf.active_vfs)) {
+			netdev_err(bp->dev, "Msg contains invalid VF id %x\n",
+				   vf_id);
+			return -EINVAL;
+		}
+
+		set_bit(vf_id - bp->pf.first_vf_id, bp->pf.vf_event_bmap);
+		set_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event);
+		bnxt_queue_sp_work(bp);
+		break;
+
+	case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
+		bnxt_async_event_process(bp,
+					 (struct hwrm_async_event_cmpl *)txcmp);
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static irqreturn_t bnxt_msix(int irq, void *dev_instance)
+{
+	struct bnxt_napi *bnapi = dev_instance;
+	struct bnxt *bp = bnapi->bp;
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	u32 cons = RING_CMP(cpr->cp_raw_cons);
+
+	cpr->event_ctr++;
+	prefetch(&cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]);
+	napi_schedule(&bnapi->napi);
+	return IRQ_HANDLED;
+}
+
+static inline int bnxt_has_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr)
+{
+	u32 raw_cons = cpr->cp_raw_cons;
+	u16 cons = RING_CMP(raw_cons);
+	struct tx_cmp *txcmp;
+
+	txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
+
+	return TX_CMP_VALID(txcmp, raw_cons);
+}
+
+static irqreturn_t bnxt_inta(int irq, void *dev_instance)
+{
+	struct bnxt_napi *bnapi = dev_instance;
+	struct bnxt *bp = bnapi->bp;
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	u32 cons = RING_CMP(cpr->cp_raw_cons);
+	u32 int_status;
+
+	prefetch(&cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]);
+
+	if (!bnxt_has_work(bp, cpr)) {
+		int_status = readl(bp->bar0 + BNXT_CAG_REG_LEGACY_INT_STATUS);
+		/* return if erroneous interrupt */
+		if (!(int_status & (0x10000 << cpr->cp_ring_struct.fw_ring_id)))
+			return IRQ_NONE;
+	}
+
+	/* disable ring IRQ */
+	BNXT_CP_DB_IRQ_DIS(cpr->cp_doorbell);
+
+	/* Return here if interrupt is shared and is disabled. */
+	if (unlikely(atomic_read(&bp->intr_sem) != 0))
+		return IRQ_HANDLED;
+
+	napi_schedule(&bnapi->napi);
+	return IRQ_HANDLED;
+}
+
+static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget)
+{
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	u32 raw_cons = cpr->cp_raw_cons;
+	u32 cons;
+	int tx_pkts = 0;
+	int rx_pkts = 0;
+	u8 event = 0;
+	struct tx_cmp *txcmp;
+
+	while (1) {
+		int rc;
+
+		cons = RING_CMP(raw_cons);
+		txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
+
+		if (!TX_CMP_VALID(txcmp, raw_cons))
+			break;
+
+		/* The valid test of the entry must be done first before
+		 * reading any further.
+		 */
+		dma_rmb();
+		if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) {
+			tx_pkts++;
+			/* return full budget so NAPI will complete. */
+			if (unlikely(tx_pkts >= bp->tx_wake_thresh)) {
+				rx_pkts = budget;
+				raw_cons = NEXT_RAW_CMP(raw_cons);
+				break;
+			}
+		} else if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) {
+			if (likely(budget))
+				rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event);
+			else
+				rc = bnxt_force_rx_discard(bp, bnapi, &raw_cons,
+							   &event);
+			if (likely(rc >= 0))
+				rx_pkts += rc;
+			/* Increment rx_pkts when rc is -ENOMEM to count towards
+			 * the NAPI budget.  Otherwise, we may potentially loop
+			 * here forever if we consistently cannot allocate
+			 * buffers.
+			 */
+			else if (rc == -ENOMEM && budget)
+				rx_pkts++;
+			else if (rc == -EBUSY)	/* partial completion */
+				break;
+		} else if (unlikely((TX_CMP_TYPE(txcmp) ==
+				     CMPL_BASE_TYPE_HWRM_DONE) ||
+				    (TX_CMP_TYPE(txcmp) ==
+				     CMPL_BASE_TYPE_HWRM_FWD_REQ) ||
+				    (TX_CMP_TYPE(txcmp) ==
+				     CMPL_BASE_TYPE_HWRM_ASYNC_EVENT))) {
+			bnxt_hwrm_handler(bp, txcmp);
+		}
+		raw_cons = NEXT_RAW_CMP(raw_cons);
+
+		if (rx_pkts && rx_pkts == budget)
+			break;
+	}
+
+	if (event & BNXT_TX_EVENT) {
+		struct bnxt_tx_ring_info *txr = bnapi->tx_ring;
+		void __iomem *db = txr->tx_doorbell;
+		u16 prod = txr->tx_prod;
+
+		/* Sync BD data before updating doorbell */
+		wmb();
+
+		bnxt_db_write_relaxed(bp, db, DB_KEY_TX | prod);
+	}
+
+	cpr->cp_raw_cons = raw_cons;
+	/* ACK completion ring before freeing tx ring and producing new
+	 * buffers in rx/agg rings to prevent overflowing the completion
+	 * ring.
+	 */
+	BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
+
+	if (tx_pkts)
+		bnapi->tx_int(bp, bnapi, tx_pkts);
+
+	if (event & BNXT_RX_EVENT) {
+		struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
+
+		bnxt_db_write(bp, rxr->rx_doorbell, DB_KEY_RX | rxr->rx_prod);
+		if (event & BNXT_AGG_EVENT)
+			bnxt_db_write(bp, rxr->rx_agg_doorbell,
+				      DB_KEY_RX | rxr->rx_agg_prod);
+	}
+	return rx_pkts;
+}
+
+static int bnxt_poll_nitroa0(struct napi_struct *napi, int budget)
+{
+	struct bnxt_napi *bnapi = container_of(napi, struct bnxt_napi, napi);
+	struct bnxt *bp = bnapi->bp;
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
+	struct tx_cmp *txcmp;
+	struct rx_cmp_ext *rxcmp1;
+	u32 cp_cons, tmp_raw_cons;
+	u32 raw_cons = cpr->cp_raw_cons;
+	u32 rx_pkts = 0;
+	u8 event = 0;
+
+	while (1) {
+		int rc;
+
+		cp_cons = RING_CMP(raw_cons);
+		txcmp = &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+
+		if (!TX_CMP_VALID(txcmp, raw_cons))
+			break;
+
+		if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) {
+			tmp_raw_cons = NEXT_RAW_CMP(raw_cons);
+			cp_cons = RING_CMP(tmp_raw_cons);
+			rxcmp1 = (struct rx_cmp_ext *)
+			  &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
+
+			if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
+				break;
+
+			/* force an error to recycle the buffer */
+			rxcmp1->rx_cmp_cfa_code_errors_v2 |=
+				cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR);
+
+			rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event);
+			if (likely(rc == -EIO) && budget)
+				rx_pkts++;
+			else if (rc == -EBUSY)	/* partial completion */
+				break;
+		} else if (unlikely(TX_CMP_TYPE(txcmp) ==
+				    CMPL_BASE_TYPE_HWRM_DONE)) {
+			bnxt_hwrm_handler(bp, txcmp);
+		} else {
+			netdev_err(bp->dev,
+				   "Invalid completion received on special ring\n");
+		}
+		raw_cons = NEXT_RAW_CMP(raw_cons);
+
+		if (rx_pkts == budget)
+			break;
+	}
+
+	cpr->cp_raw_cons = raw_cons;
+	BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
+	bnxt_db_write(bp, rxr->rx_doorbell, DB_KEY_RX | rxr->rx_prod);
+
+	if (event & BNXT_AGG_EVENT)
+		bnxt_db_write(bp, rxr->rx_agg_doorbell,
+			      DB_KEY_RX | rxr->rx_agg_prod);
+
+	if (!bnxt_has_work(bp, cpr) && rx_pkts < budget) {
+		napi_complete_done(napi, rx_pkts);
+		BNXT_CP_DB_REARM(cpr->cp_doorbell, cpr->cp_raw_cons);
+	}
+	return rx_pkts;
+}
+
+static int bnxt_poll(struct napi_struct *napi, int budget)
+{
+	struct bnxt_napi *bnapi = container_of(napi, struct bnxt_napi, napi);
+	struct bnxt *bp = bnapi->bp;
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	int work_done = 0;
+
+	while (1) {
+		work_done += bnxt_poll_work(bp, bnapi, budget - work_done);
+
+		if (work_done >= budget) {
+			if (!budget)
+				BNXT_CP_DB_REARM(cpr->cp_doorbell,
+						 cpr->cp_raw_cons);
+			break;
+		}
+
+		if (!bnxt_has_work(bp, cpr)) {
+			if (napi_complete_done(napi, work_done))
+				BNXT_CP_DB_REARM(cpr->cp_doorbell,
+						 cpr->cp_raw_cons);
+			break;
+		}
+	}
+	if (bp->flags & BNXT_FLAG_DIM) {
+		struct net_dim_sample dim_sample;
+
+		net_dim_sample(cpr->event_ctr,
+			       cpr->rx_packets,
+			       cpr->rx_bytes,
+			       &dim_sample);
+		net_dim(&cpr->dim, dim_sample);
+	}
+	mmiowb();
+	return work_done;
+}
+
+static void bnxt_free_tx_skbs(struct bnxt *bp)
+{
+	int i, max_idx;
+	struct pci_dev *pdev = bp->pdev;
+
+	if (!bp->tx_ring)
+		return;
+
+	max_idx = bp->tx_nr_pages * TX_DESC_CNT;
+	for (i = 0; i < bp->tx_nr_rings; i++) {
+		struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
+		int j;
+
+		for (j = 0; j < max_idx;) {
+			struct bnxt_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
+			struct sk_buff *skb = tx_buf->skb;
+			int k, last;
+
+			if (!skb) {
+				j++;
+				continue;
+			}
+
+			tx_buf->skb = NULL;
+
+			if (tx_buf->is_push) {
+				dev_kfree_skb(skb);
+				j += 2;
+				continue;
+			}
+
+			dma_unmap_single(&pdev->dev,
+					 dma_unmap_addr(tx_buf, mapping),
+					 skb_headlen(skb),
+					 PCI_DMA_TODEVICE);
+
+			last = tx_buf->nr_frags;
+			j += 2;
+			for (k = 0; k < last; k++, j++) {
+				int ring_idx = j & bp->tx_ring_mask;
+				skb_frag_t *frag = &skb_shinfo(skb)->frags[k];
+
+				tx_buf = &txr->tx_buf_ring[ring_idx];
+				dma_unmap_page(
+					&pdev->dev,
+					dma_unmap_addr(tx_buf, mapping),
+					skb_frag_size(frag), PCI_DMA_TODEVICE);
+			}
+			dev_kfree_skb(skb);
+		}
+		netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
+	}
+}
+
+static void bnxt_free_rx_skbs(struct bnxt *bp)
+{
+	int i, max_idx, max_agg_idx;
+	struct pci_dev *pdev = bp->pdev;
+
+	if (!bp->rx_ring)
+		return;
+
+	max_idx = bp->rx_nr_pages * RX_DESC_CNT;
+	max_agg_idx = bp->rx_agg_nr_pages * RX_DESC_CNT;
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
+		int j;
+
+		if (rxr->rx_tpa) {
+			for (j = 0; j < MAX_TPA; j++) {
+				struct bnxt_tpa_info *tpa_info =
+							&rxr->rx_tpa[j];
+				u8 *data = tpa_info->data;
+
+				if (!data)
+					continue;
+
+				dma_unmap_single_attrs(&pdev->dev,
+						       tpa_info->mapping,
+						       bp->rx_buf_use_size,
+						       bp->rx_dir,
+						       DMA_ATTR_WEAK_ORDERING);
+
+				tpa_info->data = NULL;
+
+				kfree(data);
+			}
+		}
+
+		for (j = 0; j < max_idx; j++) {
+			struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[j];
+			dma_addr_t mapping = rx_buf->mapping;
+			void *data = rx_buf->data;
+
+			if (!data)
+				continue;
+
+			rx_buf->data = NULL;
+
+			if (BNXT_RX_PAGE_MODE(bp)) {
+				mapping -= bp->rx_dma_offset;
+				dma_unmap_page_attrs(&pdev->dev, mapping,
+						     PAGE_SIZE, bp->rx_dir,
+						     DMA_ATTR_WEAK_ORDERING);
+				__free_page(data);
+			} else {
+				dma_unmap_single_attrs(&pdev->dev, mapping,
+						       bp->rx_buf_use_size,
+						       bp->rx_dir,
+						       DMA_ATTR_WEAK_ORDERING);
+				kfree(data);
+			}
+		}
+
+		for (j = 0; j < max_agg_idx; j++) {
+			struct bnxt_sw_rx_agg_bd *rx_agg_buf =
+				&rxr->rx_agg_ring[j];
+			struct page *page = rx_agg_buf->page;
+
+			if (!page)
+				continue;
+
+			dma_unmap_page_attrs(&pdev->dev, rx_agg_buf->mapping,
+					     BNXT_RX_PAGE_SIZE,
+					     PCI_DMA_FROMDEVICE,
+					     DMA_ATTR_WEAK_ORDERING);
+
+			rx_agg_buf->page = NULL;
+			__clear_bit(j, rxr->rx_agg_bmap);
+
+			__free_page(page);
+		}
+		if (rxr->rx_page) {
+			__free_page(rxr->rx_page);
+			rxr->rx_page = NULL;
+		}
+	}
+}
+
+static void bnxt_free_skbs(struct bnxt *bp)
+{
+	bnxt_free_tx_skbs(bp);
+	bnxt_free_rx_skbs(bp);
+}
+
+static void bnxt_free_ring(struct bnxt *bp, struct bnxt_ring_struct *ring)
+{
+	struct pci_dev *pdev = bp->pdev;
+	int i;
+
+	for (i = 0; i < ring->nr_pages; i++) {
+		if (!ring->pg_arr[i])
+			continue;
+
+		dma_free_coherent(&pdev->dev, ring->page_size,
+				  ring->pg_arr[i], ring->dma_arr[i]);
+
+		ring->pg_arr[i] = NULL;
+	}
+	if (ring->pg_tbl) {
+		dma_free_coherent(&pdev->dev, ring->nr_pages * 8,
+				  ring->pg_tbl, ring->pg_tbl_map);
+		ring->pg_tbl = NULL;
+	}
+	if (ring->vmem_size && *ring->vmem) {
+		vfree(*ring->vmem);
+		*ring->vmem = NULL;
+	}
+}
+
+static int bnxt_alloc_ring(struct bnxt *bp, struct bnxt_ring_struct *ring)
+{
+	int i;
+	struct pci_dev *pdev = bp->pdev;
+
+	if (ring->nr_pages > 1) {
+		ring->pg_tbl = dma_alloc_coherent(&pdev->dev,
+						  ring->nr_pages * 8,
+						  &ring->pg_tbl_map,
+						  GFP_KERNEL);
+		if (!ring->pg_tbl)
+			return -ENOMEM;
+	}
+
+	for (i = 0; i < ring->nr_pages; i++) {
+		ring->pg_arr[i] = dma_alloc_coherent(&pdev->dev,
+						     ring->page_size,
+						     &ring->dma_arr[i],
+						     GFP_KERNEL);
+		if (!ring->pg_arr[i])
+			return -ENOMEM;
+
+		if (ring->nr_pages > 1)
+			ring->pg_tbl[i] = cpu_to_le64(ring->dma_arr[i]);
+	}
+
+	if (ring->vmem_size) {
+		*ring->vmem = vzalloc(ring->vmem_size);
+		if (!(*ring->vmem))
+			return -ENOMEM;
+	}
+	return 0;
+}
+
+static void bnxt_free_rx_rings(struct bnxt *bp)
+{
+	int i;
+
+	if (!bp->rx_ring)
+		return;
+
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
+		struct bnxt_ring_struct *ring;
+
+		if (rxr->xdp_prog)
+			bpf_prog_put(rxr->xdp_prog);
+
+		if (xdp_rxq_info_is_reg(&rxr->xdp_rxq))
+			xdp_rxq_info_unreg(&rxr->xdp_rxq);
+
+		kfree(rxr->rx_tpa);
+		rxr->rx_tpa = NULL;
+
+		kfree(rxr->rx_agg_bmap);
+		rxr->rx_agg_bmap = NULL;
+
+		ring = &rxr->rx_ring_struct;
+		bnxt_free_ring(bp, ring);
+
+		ring = &rxr->rx_agg_ring_struct;
+		bnxt_free_ring(bp, ring);
+	}
+}
+
+static int bnxt_alloc_rx_rings(struct bnxt *bp)
+{
+	int i, rc, agg_rings = 0, tpa_rings = 0;
+
+	if (!bp->rx_ring)
+		return -ENOMEM;
+
+	if (bp->flags & BNXT_FLAG_AGG_RINGS)
+		agg_rings = 1;
+
+	if (bp->flags & BNXT_FLAG_TPA)
+		tpa_rings = 1;
+
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
+		struct bnxt_ring_struct *ring;
+
+		ring = &rxr->rx_ring_struct;
+
+		rc = xdp_rxq_info_reg(&rxr->xdp_rxq, bp->dev, i);
+		if (rc < 0)
+			return rc;
+
+		rc = bnxt_alloc_ring(bp, ring);
+		if (rc)
+			return rc;
+
+		if (agg_rings) {
+			u16 mem_size;
+
+			ring = &rxr->rx_agg_ring_struct;
+			rc = bnxt_alloc_ring(bp, ring);
+			if (rc)
+				return rc;
+
+			ring->grp_idx = i;
+			rxr->rx_agg_bmap_size = bp->rx_agg_ring_mask + 1;
+			mem_size = rxr->rx_agg_bmap_size / 8;
+			rxr->rx_agg_bmap = kzalloc(mem_size, GFP_KERNEL);
+			if (!rxr->rx_agg_bmap)
+				return -ENOMEM;
+
+			if (tpa_rings) {
+				rxr->rx_tpa = kcalloc(MAX_TPA,
+						sizeof(struct bnxt_tpa_info),
+						GFP_KERNEL);
+				if (!rxr->rx_tpa)
+					return -ENOMEM;
+			}
+		}
+	}
+	return 0;
+}
+
+static void bnxt_free_tx_rings(struct bnxt *bp)
+{
+	int i;
+	struct pci_dev *pdev = bp->pdev;
+
+	if (!bp->tx_ring)
+		return;
+
+	for (i = 0; i < bp->tx_nr_rings; i++) {
+		struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
+		struct bnxt_ring_struct *ring;
+
+		if (txr->tx_push) {
+			dma_free_coherent(&pdev->dev, bp->tx_push_size,
+					  txr->tx_push, txr->tx_push_mapping);
+			txr->tx_push = NULL;
+		}
+
+		ring = &txr->tx_ring_struct;
+
+		bnxt_free_ring(bp, ring);
+	}
+}
+
+static int bnxt_alloc_tx_rings(struct bnxt *bp)
+{
+	int i, j, rc;
+	struct pci_dev *pdev = bp->pdev;
+
+	bp->tx_push_size = 0;
+	if (bp->tx_push_thresh) {
+		int push_size;
+
+		push_size  = L1_CACHE_ALIGN(sizeof(struct tx_push_bd) +
+					bp->tx_push_thresh);
+
+		if (push_size > 256) {
+			push_size = 0;
+			bp->tx_push_thresh = 0;
+		}
+
+		bp->tx_push_size = push_size;
+	}
+
+	for (i = 0, j = 0; i < bp->tx_nr_rings; i++) {
+		struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
+		struct bnxt_ring_struct *ring;
+		u8 qidx;
+
+		ring = &txr->tx_ring_struct;
+
+		rc = bnxt_alloc_ring(bp, ring);
+		if (rc)
+			return rc;
+
+		ring->grp_idx = txr->bnapi->index;
+		if (bp->tx_push_size) {
+			dma_addr_t mapping;
+
+			/* One pre-allocated DMA buffer to backup
+			 * TX push operation
+			 */
+			txr->tx_push = dma_alloc_coherent(&pdev->dev,
+						bp->tx_push_size,
+						&txr->tx_push_mapping,
+						GFP_KERNEL);
+
+			if (!txr->tx_push)
+				return -ENOMEM;
+
+			mapping = txr->tx_push_mapping +
+				sizeof(struct tx_push_bd);
+			txr->data_mapping = cpu_to_le64(mapping);
+
+			memset(txr->tx_push, 0, sizeof(struct tx_push_bd));
+		}
+		qidx = bp->tc_to_qidx[j];
+		ring->queue_id = bp->q_info[qidx].queue_id;
+		if (i < bp->tx_nr_rings_xdp)
+			continue;
+		if (i % bp->tx_nr_rings_per_tc == (bp->tx_nr_rings_per_tc - 1))
+			j++;
+	}
+	return 0;
+}
+
+static void bnxt_free_cp_rings(struct bnxt *bp)
+{
+	int i;
+
+	if (!bp->bnapi)
+		return;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr;
+		struct bnxt_ring_struct *ring;
+
+		if (!bnapi)
+			continue;
+
+		cpr = &bnapi->cp_ring;
+		ring = &cpr->cp_ring_struct;
+
+		bnxt_free_ring(bp, ring);
+	}
+}
+
+static int bnxt_alloc_cp_rings(struct bnxt *bp)
+{
+	int i, rc, ulp_base_vec, ulp_msix;
+
+	ulp_msix = bnxt_get_ulp_msix_num(bp);
+	ulp_base_vec = bnxt_get_ulp_msix_base(bp);
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr;
+		struct bnxt_ring_struct *ring;
+
+		if (!bnapi)
+			continue;
+
+		cpr = &bnapi->cp_ring;
+		ring = &cpr->cp_ring_struct;
+
+		rc = bnxt_alloc_ring(bp, ring);
+		if (rc)
+			return rc;
+
+		if (ulp_msix && i >= ulp_base_vec)
+			ring->map_idx = i + ulp_msix;
+		else
+			ring->map_idx = i;
+	}
+	return 0;
+}
+
+static void bnxt_init_ring_struct(struct bnxt *bp)
+{
+	int i;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr;
+		struct bnxt_rx_ring_info *rxr;
+		struct bnxt_tx_ring_info *txr;
+		struct bnxt_ring_struct *ring;
+
+		if (!bnapi)
+			continue;
+
+		cpr = &bnapi->cp_ring;
+		ring = &cpr->cp_ring_struct;
+		ring->nr_pages = bp->cp_nr_pages;
+		ring->page_size = HW_CMPD_RING_SIZE;
+		ring->pg_arr = (void **)cpr->cp_desc_ring;
+		ring->dma_arr = cpr->cp_desc_mapping;
+		ring->vmem_size = 0;
+
+		rxr = bnapi->rx_ring;
+		if (!rxr)
+			goto skip_rx;
+
+		ring = &rxr->rx_ring_struct;
+		ring->nr_pages = bp->rx_nr_pages;
+		ring->page_size = HW_RXBD_RING_SIZE;
+		ring->pg_arr = (void **)rxr->rx_desc_ring;
+		ring->dma_arr = rxr->rx_desc_mapping;
+		ring->vmem_size = SW_RXBD_RING_SIZE * bp->rx_nr_pages;
+		ring->vmem = (void **)&rxr->rx_buf_ring;
+
+		ring = &rxr->rx_agg_ring_struct;
+		ring->nr_pages = bp->rx_agg_nr_pages;
+		ring->page_size = HW_RXBD_RING_SIZE;
+		ring->pg_arr = (void **)rxr->rx_agg_desc_ring;
+		ring->dma_arr = rxr->rx_agg_desc_mapping;
+		ring->vmem_size = SW_RXBD_AGG_RING_SIZE * bp->rx_agg_nr_pages;
+		ring->vmem = (void **)&rxr->rx_agg_ring;
+
+skip_rx:
+		txr = bnapi->tx_ring;
+		if (!txr)
+			continue;
+
+		ring = &txr->tx_ring_struct;
+		ring->nr_pages = bp->tx_nr_pages;
+		ring->page_size = HW_RXBD_RING_SIZE;
+		ring->pg_arr = (void **)txr->tx_desc_ring;
+		ring->dma_arr = txr->tx_desc_mapping;
+		ring->vmem_size = SW_TXBD_RING_SIZE * bp->tx_nr_pages;
+		ring->vmem = (void **)&txr->tx_buf_ring;
+	}
+}
+
+static void bnxt_init_rxbd_pages(struct bnxt_ring_struct *ring, u32 type)
+{
+	int i;
+	u32 prod;
+	struct rx_bd **rx_buf_ring;
+
+	rx_buf_ring = (struct rx_bd **)ring->pg_arr;
+	for (i = 0, prod = 0; i < ring->nr_pages; i++) {
+		int j;
+		struct rx_bd *rxbd;
+
+		rxbd = rx_buf_ring[i];
+		if (!rxbd)
+			continue;
+
+		for (j = 0; j < RX_DESC_CNT; j++, rxbd++, prod++) {
+			rxbd->rx_bd_len_flags_type = cpu_to_le32(type);
+			rxbd->rx_bd_opaque = prod;
+		}
+	}
+}
+
+static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr)
+{
+	struct net_device *dev = bp->dev;
+	struct bnxt_rx_ring_info *rxr;
+	struct bnxt_ring_struct *ring;
+	u32 prod, type;
+	int i;
+
+	type = (bp->rx_buf_use_size << RX_BD_LEN_SHIFT) |
+		RX_BD_TYPE_RX_PACKET_BD | RX_BD_FLAGS_EOP;
+
+	if (NET_IP_ALIGN == 2)
+		type |= RX_BD_FLAGS_SOP;
+
+	rxr = &bp->rx_ring[ring_nr];
+	ring = &rxr->rx_ring_struct;
+	bnxt_init_rxbd_pages(ring, type);
+
+	if (BNXT_RX_PAGE_MODE(bp) && bp->xdp_prog) {
+		rxr->xdp_prog = bpf_prog_add(bp->xdp_prog, 1);
+		if (IS_ERR(rxr->xdp_prog)) {
+			int rc = PTR_ERR(rxr->xdp_prog);
+
+			rxr->xdp_prog = NULL;
+			return rc;
+		}
+	}
+	prod = rxr->rx_prod;
+	for (i = 0; i < bp->rx_ring_size; i++) {
+		if (bnxt_alloc_rx_data(bp, rxr, prod, GFP_KERNEL) != 0) {
+			netdev_warn(dev, "init'ed rx ring %d with %d/%d skbs only\n",
+				    ring_nr, i, bp->rx_ring_size);
+			break;
+		}
+		prod = NEXT_RX(prod);
+	}
+	rxr->rx_prod = prod;
+	ring->fw_ring_id = INVALID_HW_RING_ID;
+
+	ring = &rxr->rx_agg_ring_struct;
+	ring->fw_ring_id = INVALID_HW_RING_ID;
+
+	if (!(bp->flags & BNXT_FLAG_AGG_RINGS))
+		return 0;
+
+	type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) |
+		RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP;
+
+	bnxt_init_rxbd_pages(ring, type);
+
+	prod = rxr->rx_agg_prod;
+	for (i = 0; i < bp->rx_agg_ring_size; i++) {
+		if (bnxt_alloc_rx_page(bp, rxr, prod, GFP_KERNEL) != 0) {
+			netdev_warn(dev, "init'ed rx ring %d with %d/%d pages only\n",
+				    ring_nr, i, bp->rx_ring_size);
+			break;
+		}
+		prod = NEXT_RX_AGG(prod);
+	}
+	rxr->rx_agg_prod = prod;
+
+	if (bp->flags & BNXT_FLAG_TPA) {
+		if (rxr->rx_tpa) {
+			u8 *data;
+			dma_addr_t mapping;
+
+			for (i = 0; i < MAX_TPA; i++) {
+				data = __bnxt_alloc_rx_data(bp, &mapping,
+							    GFP_KERNEL);
+				if (!data)
+					return -ENOMEM;
+
+				rxr->rx_tpa[i].data = data;
+				rxr->rx_tpa[i].data_ptr = data + bp->rx_offset;
+				rxr->rx_tpa[i].mapping = mapping;
+			}
+		} else {
+			netdev_err(bp->dev, "No resource allocated for LRO/GRO\n");
+			return -ENOMEM;
+		}
+	}
+
+	return 0;
+}
+
+static void bnxt_init_cp_rings(struct bnxt *bp)
+{
+	int i;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
+		struct bnxt_ring_struct *ring = &cpr->cp_ring_struct;
+
+		ring->fw_ring_id = INVALID_HW_RING_ID;
+		cpr->rx_ring_coal.coal_ticks = bp->rx_coal.coal_ticks;
+		cpr->rx_ring_coal.coal_bufs = bp->rx_coal.coal_bufs;
+	}
+}
+
+static int bnxt_init_rx_rings(struct bnxt *bp)
+{
+	int i, rc = 0;
+
+	if (BNXT_RX_PAGE_MODE(bp)) {
+		bp->rx_offset = NET_IP_ALIGN + XDP_PACKET_HEADROOM;
+		bp->rx_dma_offset = XDP_PACKET_HEADROOM;
+	} else {
+		bp->rx_offset = BNXT_RX_OFFSET;
+		bp->rx_dma_offset = BNXT_RX_DMA_OFFSET;
+	}
+
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		rc = bnxt_init_one_rx_ring(bp, i);
+		if (rc)
+			break;
+	}
+
+	return rc;
+}
+
+static int bnxt_init_tx_rings(struct bnxt *bp)
+{
+	u16 i;
+
+	bp->tx_wake_thresh = max_t(int, bp->tx_ring_size / 2,
+				   BNXT_MIN_TX_DESC_CNT);
+
+	for (i = 0; i < bp->tx_nr_rings; i++) {
+		struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
+		struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
+
+		ring->fw_ring_id = INVALID_HW_RING_ID;
+	}
+
+	return 0;
+}
+
+static void bnxt_free_ring_grps(struct bnxt *bp)
+{
+	kfree(bp->grp_info);
+	bp->grp_info = NULL;
+}
+
+static int bnxt_init_ring_grps(struct bnxt *bp, bool irq_re_init)
+{
+	int i;
+
+	if (irq_re_init) {
+		bp->grp_info = kcalloc(bp->cp_nr_rings,
+				       sizeof(struct bnxt_ring_grp_info),
+				       GFP_KERNEL);
+		if (!bp->grp_info)
+			return -ENOMEM;
+	}
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		if (irq_re_init)
+			bp->grp_info[i].fw_stats_ctx = INVALID_HW_RING_ID;
+		bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID;
+		bp->grp_info[i].rx_fw_ring_id = INVALID_HW_RING_ID;
+		bp->grp_info[i].agg_fw_ring_id = INVALID_HW_RING_ID;
+		bp->grp_info[i].cp_fw_ring_id = INVALID_HW_RING_ID;
+	}
+	return 0;
+}
+
+static void bnxt_free_vnics(struct bnxt *bp)
+{
+	kfree(bp->vnic_info);
+	bp->vnic_info = NULL;
+	bp->nr_vnics = 0;
+}
+
+static int bnxt_alloc_vnics(struct bnxt *bp)
+{
+	int num_vnics = 1;
+
+#ifdef CONFIG_RFS_ACCEL
+	if (bp->flags & BNXT_FLAG_RFS)
+		num_vnics += bp->rx_nr_rings;
+#endif
+
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp))
+		num_vnics++;
+
+	bp->vnic_info = kcalloc(num_vnics, sizeof(struct bnxt_vnic_info),
+				GFP_KERNEL);
+	if (!bp->vnic_info)
+		return -ENOMEM;
+
+	bp->nr_vnics = num_vnics;
+	return 0;
+}
+
+static void bnxt_init_vnics(struct bnxt *bp)
+{
+	int i;
+
+	for (i = 0; i < bp->nr_vnics; i++) {
+		struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
+
+		vnic->fw_vnic_id = INVALID_HW_RING_ID;
+		vnic->fw_rss_cos_lb_ctx[0] = INVALID_HW_RING_ID;
+		vnic->fw_rss_cos_lb_ctx[1] = INVALID_HW_RING_ID;
+		vnic->fw_l2_ctx_id = INVALID_HW_RING_ID;
+
+		if (bp->vnic_info[i].rss_hash_key) {
+			if (i == 0)
+				prandom_bytes(vnic->rss_hash_key,
+					      HW_HASH_KEY_SIZE);
+			else
+				memcpy(vnic->rss_hash_key,
+				       bp->vnic_info[0].rss_hash_key,
+				       HW_HASH_KEY_SIZE);
+		}
+	}
+}
+
+static int bnxt_calc_nr_ring_pages(u32 ring_size, int desc_per_pg)
+{
+	int pages;
+
+	pages = ring_size / desc_per_pg;
+
+	if (!pages)
+		return 1;
+
+	pages++;
+
+	while (pages & (pages - 1))
+		pages++;
+
+	return pages;
+}
+
+void bnxt_set_tpa_flags(struct bnxt *bp)
+{
+	bp->flags &= ~BNXT_FLAG_TPA;
+	if (bp->flags & BNXT_FLAG_NO_AGG_RINGS)
+		return;
+	if (bp->dev->features & NETIF_F_LRO)
+		bp->flags |= BNXT_FLAG_LRO;
+	else if (bp->dev->features & NETIF_F_GRO_HW)
+		bp->flags |= BNXT_FLAG_GRO;
+}
+
+/* bp->rx_ring_size, bp->tx_ring_size, dev->mtu, BNXT_FLAG_{G|L}RO flags must
+ * be set on entry.
+ */
+void bnxt_set_ring_params(struct bnxt *bp)
+{
+	u32 ring_size, rx_size, rx_space;
+	u32 agg_factor = 0, agg_ring_size = 0;
+
+	/* 8 for CRC and VLAN */
+	rx_size = SKB_DATA_ALIGN(bp->dev->mtu + ETH_HLEN + NET_IP_ALIGN + 8);
+
+	rx_space = rx_size + NET_SKB_PAD +
+		SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
+	bp->rx_copy_thresh = BNXT_RX_COPY_THRESH;
+	ring_size = bp->rx_ring_size;
+	bp->rx_agg_ring_size = 0;
+	bp->rx_agg_nr_pages = 0;
+
+	if (bp->flags & BNXT_FLAG_TPA)
+		agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE);
+
+	bp->flags &= ~BNXT_FLAG_JUMBO;
+	if (rx_space > PAGE_SIZE && !(bp->flags & BNXT_FLAG_NO_AGG_RINGS)) {
+		u32 jumbo_factor;
+
+		bp->flags |= BNXT_FLAG_JUMBO;
+		jumbo_factor = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
+		if (jumbo_factor > agg_factor)
+			agg_factor = jumbo_factor;
+	}
+	agg_ring_size = ring_size * agg_factor;
+
+	if (agg_ring_size) {
+		bp->rx_agg_nr_pages = bnxt_calc_nr_ring_pages(agg_ring_size,
+							RX_DESC_CNT);
+		if (bp->rx_agg_nr_pages > MAX_RX_AGG_PAGES) {
+			u32 tmp = agg_ring_size;
+
+			bp->rx_agg_nr_pages = MAX_RX_AGG_PAGES;
+			agg_ring_size = MAX_RX_AGG_PAGES * RX_DESC_CNT - 1;
+			netdev_warn(bp->dev, "rx agg ring size %d reduced to %d.\n",
+				    tmp, agg_ring_size);
+		}
+		bp->rx_agg_ring_size = agg_ring_size;
+		bp->rx_agg_ring_mask = (bp->rx_agg_nr_pages * RX_DESC_CNT) - 1;
+		rx_size = SKB_DATA_ALIGN(BNXT_RX_COPY_THRESH + NET_IP_ALIGN);
+		rx_space = rx_size + NET_SKB_PAD +
+			SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+	}
+
+	bp->rx_buf_use_size = rx_size;
+	bp->rx_buf_size = rx_space;
+
+	bp->rx_nr_pages = bnxt_calc_nr_ring_pages(ring_size, RX_DESC_CNT);
+	bp->rx_ring_mask = (bp->rx_nr_pages * RX_DESC_CNT) - 1;
+
+	ring_size = bp->tx_ring_size;
+	bp->tx_nr_pages = bnxt_calc_nr_ring_pages(ring_size, TX_DESC_CNT);
+	bp->tx_ring_mask = (bp->tx_nr_pages * TX_DESC_CNT) - 1;
+
+	ring_size = bp->rx_ring_size * (2 + agg_factor) + bp->tx_ring_size;
+	bp->cp_ring_size = ring_size;
+
+	bp->cp_nr_pages = bnxt_calc_nr_ring_pages(ring_size, CP_DESC_CNT);
+	if (bp->cp_nr_pages > MAX_CP_PAGES) {
+		bp->cp_nr_pages = MAX_CP_PAGES;
+		bp->cp_ring_size = MAX_CP_PAGES * CP_DESC_CNT - 1;
+		netdev_warn(bp->dev, "completion ring size %d reduced to %d.\n",
+			    ring_size, bp->cp_ring_size);
+	}
+	bp->cp_bit = bp->cp_nr_pages * CP_DESC_CNT;
+	bp->cp_ring_mask = bp->cp_bit - 1;
+}
+
+/* Changing allocation mode of RX rings.
+ * TODO: Update when extending xdp_rxq_info to support allocation modes.
+ */
+int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode)
+{
+	if (page_mode) {
+		if (bp->dev->mtu > BNXT_MAX_PAGE_MODE_MTU)
+			return -EOPNOTSUPP;
+		bp->dev->max_mtu =
+			min_t(u16, bp->max_mtu, BNXT_MAX_PAGE_MODE_MTU);
+		bp->flags &= ~BNXT_FLAG_AGG_RINGS;
+		bp->flags |= BNXT_FLAG_NO_AGG_RINGS | BNXT_FLAG_RX_PAGE_MODE;
+		bp->rx_dir = DMA_BIDIRECTIONAL;
+		bp->rx_skb_func = bnxt_rx_page_skb;
+		/* Disable LRO or GRO_HW */
+		netdev_update_features(bp->dev);
+	} else {
+		bp->dev->max_mtu = bp->max_mtu;
+		bp->flags &= ~BNXT_FLAG_RX_PAGE_MODE;
+		bp->rx_dir = DMA_FROM_DEVICE;
+		bp->rx_skb_func = bnxt_rx_skb;
+	}
+	return 0;
+}
+
+static void bnxt_free_vnic_attributes(struct bnxt *bp)
+{
+	int i;
+	struct bnxt_vnic_info *vnic;
+	struct pci_dev *pdev = bp->pdev;
+
+	if (!bp->vnic_info)
+		return;
+
+	for (i = 0; i < bp->nr_vnics; i++) {
+		vnic = &bp->vnic_info[i];
+
+		kfree(vnic->fw_grp_ids);
+		vnic->fw_grp_ids = NULL;
+
+		kfree(vnic->uc_list);
+		vnic->uc_list = NULL;
+
+		if (vnic->mc_list) {
+			dma_free_coherent(&pdev->dev, vnic->mc_list_size,
+					  vnic->mc_list, vnic->mc_list_mapping);
+			vnic->mc_list = NULL;
+		}
+
+		if (vnic->rss_table) {
+			dma_free_coherent(&pdev->dev, PAGE_SIZE,
+					  vnic->rss_table,
+					  vnic->rss_table_dma_addr);
+			vnic->rss_table = NULL;
+		}
+
+		vnic->rss_hash_key = NULL;
+		vnic->flags = 0;
+	}
+}
+
+static int bnxt_alloc_vnic_attributes(struct bnxt *bp)
+{
+	int i, rc = 0, size;
+	struct bnxt_vnic_info *vnic;
+	struct pci_dev *pdev = bp->pdev;
+	int max_rings;
+
+	for (i = 0; i < bp->nr_vnics; i++) {
+		vnic = &bp->vnic_info[i];
+
+		if (vnic->flags & BNXT_VNIC_UCAST_FLAG) {
+			int mem_size = (BNXT_MAX_UC_ADDRS - 1) * ETH_ALEN;
+
+			if (mem_size > 0) {
+				vnic->uc_list = kmalloc(mem_size, GFP_KERNEL);
+				if (!vnic->uc_list) {
+					rc = -ENOMEM;
+					goto out;
+				}
+			}
+		}
+
+		if (vnic->flags & BNXT_VNIC_MCAST_FLAG) {
+			vnic->mc_list_size = BNXT_MAX_MC_ADDRS * ETH_ALEN;
+			vnic->mc_list =
+				dma_alloc_coherent(&pdev->dev,
+						   vnic->mc_list_size,
+						   &vnic->mc_list_mapping,
+						   GFP_KERNEL);
+			if (!vnic->mc_list) {
+				rc = -ENOMEM;
+				goto out;
+			}
+		}
+
+		if (vnic->flags & BNXT_VNIC_RSS_FLAG)
+			max_rings = bp->rx_nr_rings;
+		else
+			max_rings = 1;
+
+		vnic->fw_grp_ids = kcalloc(max_rings, sizeof(u16), GFP_KERNEL);
+		if (!vnic->fw_grp_ids) {
+			rc = -ENOMEM;
+			goto out;
+		}
+
+		if ((bp->flags & BNXT_FLAG_NEW_RSS_CAP) &&
+		    !(vnic->flags & BNXT_VNIC_RSS_FLAG))
+			continue;
+
+		/* Allocate rss table and hash key */
+		vnic->rss_table = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
+						     &vnic->rss_table_dma_addr,
+						     GFP_KERNEL);
+		if (!vnic->rss_table) {
+			rc = -ENOMEM;
+			goto out;
+		}
+
+		size = L1_CACHE_ALIGN(HW_HASH_INDEX_SIZE * sizeof(u16));
+
+		vnic->rss_hash_key = ((void *)vnic->rss_table) + size;
+		vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr + size;
+	}
+	return 0;
+
+out:
+	return rc;
+}
+
+static void bnxt_free_hwrm_resources(struct bnxt *bp)
+{
+	struct pci_dev *pdev = bp->pdev;
+
+	if (bp->hwrm_cmd_resp_addr) {
+		dma_free_coherent(&pdev->dev, PAGE_SIZE, bp->hwrm_cmd_resp_addr,
+				  bp->hwrm_cmd_resp_dma_addr);
+		bp->hwrm_cmd_resp_addr = NULL;
+	}
+}
+
+static int bnxt_alloc_hwrm_resources(struct bnxt *bp)
+{
+	struct pci_dev *pdev = bp->pdev;
+
+	bp->hwrm_cmd_resp_addr = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
+						   &bp->hwrm_cmd_resp_dma_addr,
+						   GFP_KERNEL);
+	if (!bp->hwrm_cmd_resp_addr)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void bnxt_free_hwrm_short_cmd_req(struct bnxt *bp)
+{
+	if (bp->hwrm_short_cmd_req_addr) {
+		struct pci_dev *pdev = bp->pdev;
+
+		dma_free_coherent(&pdev->dev, BNXT_HWRM_MAX_REQ_LEN,
+				  bp->hwrm_short_cmd_req_addr,
+				  bp->hwrm_short_cmd_req_dma_addr);
+		bp->hwrm_short_cmd_req_addr = NULL;
+	}
+}
+
+static int bnxt_alloc_hwrm_short_cmd_req(struct bnxt *bp)
+{
+	struct pci_dev *pdev = bp->pdev;
+
+	bp->hwrm_short_cmd_req_addr =
+		dma_alloc_coherent(&pdev->dev, BNXT_HWRM_MAX_REQ_LEN,
+				   &bp->hwrm_short_cmd_req_dma_addr,
+				   GFP_KERNEL);
+	if (!bp->hwrm_short_cmd_req_addr)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void bnxt_free_stats(struct bnxt *bp)
+{
+	u32 size, i;
+	struct pci_dev *pdev = bp->pdev;
+
+	bp->flags &= ~BNXT_FLAG_PORT_STATS;
+	bp->flags &= ~BNXT_FLAG_PORT_STATS_EXT;
+
+	if (bp->hw_rx_port_stats) {
+		dma_free_coherent(&pdev->dev, bp->hw_port_stats_size,
+				  bp->hw_rx_port_stats,
+				  bp->hw_rx_port_stats_map);
+		bp->hw_rx_port_stats = NULL;
+	}
+
+	if (bp->hw_rx_port_stats_ext) {
+		dma_free_coherent(&pdev->dev, sizeof(struct rx_port_stats_ext),
+				  bp->hw_rx_port_stats_ext,
+				  bp->hw_rx_port_stats_ext_map);
+		bp->hw_rx_port_stats_ext = NULL;
+	}
+
+	if (!bp->bnapi)
+		return;
+
+	size = sizeof(struct ctx_hw_stats);
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+
+		if (cpr->hw_stats) {
+			dma_free_coherent(&pdev->dev, size, cpr->hw_stats,
+					  cpr->hw_stats_map);
+			cpr->hw_stats = NULL;
+		}
+	}
+}
+
+static int bnxt_alloc_stats(struct bnxt *bp)
+{
+	u32 size, i;
+	struct pci_dev *pdev = bp->pdev;
+
+	size = sizeof(struct ctx_hw_stats);
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+
+		cpr->hw_stats = dma_alloc_coherent(&pdev->dev, size,
+						   &cpr->hw_stats_map,
+						   GFP_KERNEL);
+		if (!cpr->hw_stats)
+			return -ENOMEM;
+
+		cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID;
+	}
+
+	if (BNXT_PF(bp) && bp->chip_num != CHIP_NUM_58700) {
+		bp->hw_port_stats_size = sizeof(struct rx_port_stats) +
+					 sizeof(struct tx_port_stats) + 1024;
+
+		bp->hw_rx_port_stats =
+			dma_alloc_coherent(&pdev->dev, bp->hw_port_stats_size,
+					   &bp->hw_rx_port_stats_map,
+					   GFP_KERNEL);
+		if (!bp->hw_rx_port_stats)
+			return -ENOMEM;
+
+		bp->hw_tx_port_stats = (void *)(bp->hw_rx_port_stats + 1) +
+				       512;
+		bp->hw_tx_port_stats_map = bp->hw_rx_port_stats_map +
+					   sizeof(struct rx_port_stats) + 512;
+		bp->flags |= BNXT_FLAG_PORT_STATS;
+
+		/* Display extended statistics only if FW supports it */
+		if (bp->hwrm_spec_code < 0x10804 ||
+		    bp->hwrm_spec_code == 0x10900)
+			return 0;
+
+		bp->hw_rx_port_stats_ext =
+			dma_zalloc_coherent(&pdev->dev,
+					    sizeof(struct rx_port_stats_ext),
+					    &bp->hw_rx_port_stats_ext_map,
+					    GFP_KERNEL);
+		if (!bp->hw_rx_port_stats_ext)
+			return 0;
+
+		bp->flags |= BNXT_FLAG_PORT_STATS_EXT;
+	}
+	return 0;
+}
+
+static void bnxt_clear_ring_indices(struct bnxt *bp)
+{
+	int i;
+
+	if (!bp->bnapi)
+		return;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr;
+		struct bnxt_rx_ring_info *rxr;
+		struct bnxt_tx_ring_info *txr;
+
+		if (!bnapi)
+			continue;
+
+		cpr = &bnapi->cp_ring;
+		cpr->cp_raw_cons = 0;
+
+		txr = bnapi->tx_ring;
+		if (txr) {
+			txr->tx_prod = 0;
+			txr->tx_cons = 0;
+		}
+
+		rxr = bnapi->rx_ring;
+		if (rxr) {
+			rxr->rx_prod = 0;
+			rxr->rx_agg_prod = 0;
+			rxr->rx_sw_agg_prod = 0;
+			rxr->rx_next_cons = 0;
+		}
+	}
+}
+
+static void bnxt_free_ntp_fltrs(struct bnxt *bp, bool irq_reinit)
+{
+#ifdef CONFIG_RFS_ACCEL
+	int i;
+
+	/* Under rtnl_lock and all our NAPIs have been disabled.  It's
+	 * safe to delete the hash table.
+	 */
+	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
+		struct hlist_head *head;
+		struct hlist_node *tmp;
+		struct bnxt_ntuple_filter *fltr;
+
+		head = &bp->ntp_fltr_hash_tbl[i];
+		hlist_for_each_entry_safe(fltr, tmp, head, hash) {
+			hlist_del(&fltr->hash);
+			kfree(fltr);
+		}
+	}
+	if (irq_reinit) {
+		kfree(bp->ntp_fltr_bmap);
+		bp->ntp_fltr_bmap = NULL;
+	}
+	bp->ntp_fltr_count = 0;
+#endif
+}
+
+static int bnxt_alloc_ntp_fltrs(struct bnxt *bp)
+{
+#ifdef CONFIG_RFS_ACCEL
+	int i, rc = 0;
+
+	if (!(bp->flags & BNXT_FLAG_RFS))
+		return 0;
+
+	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++)
+		INIT_HLIST_HEAD(&bp->ntp_fltr_hash_tbl[i]);
+
+	bp->ntp_fltr_count = 0;
+	bp->ntp_fltr_bmap = kcalloc(BITS_TO_LONGS(BNXT_NTP_FLTR_MAX_FLTR),
+				    sizeof(long),
+				    GFP_KERNEL);
+
+	if (!bp->ntp_fltr_bmap)
+		rc = -ENOMEM;
+
+	return rc;
+#else
+	return 0;
+#endif
+}
+
+static void bnxt_free_mem(struct bnxt *bp, bool irq_re_init)
+{
+	bnxt_free_vnic_attributes(bp);
+	bnxt_free_tx_rings(bp);
+	bnxt_free_rx_rings(bp);
+	bnxt_free_cp_rings(bp);
+	bnxt_free_ntp_fltrs(bp, irq_re_init);
+	if (irq_re_init) {
+		bnxt_free_stats(bp);
+		bnxt_free_ring_grps(bp);
+		bnxt_free_vnics(bp);
+		kfree(bp->tx_ring_map);
+		bp->tx_ring_map = NULL;
+		kfree(bp->tx_ring);
+		bp->tx_ring = NULL;
+		kfree(bp->rx_ring);
+		bp->rx_ring = NULL;
+		kfree(bp->bnapi);
+		bp->bnapi = NULL;
+	} else {
+		bnxt_clear_ring_indices(bp);
+	}
+}
+
+static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init)
+{
+	int i, j, rc, size, arr_size;
+	void *bnapi;
+
+	if (irq_re_init) {
+		/* Allocate bnapi mem pointer array and mem block for
+		 * all queues
+		 */
+		arr_size = L1_CACHE_ALIGN(sizeof(struct bnxt_napi *) *
+				bp->cp_nr_rings);
+		size = L1_CACHE_ALIGN(sizeof(struct bnxt_napi));
+		bnapi = kzalloc(arr_size + size * bp->cp_nr_rings, GFP_KERNEL);
+		if (!bnapi)
+			return -ENOMEM;
+
+		bp->bnapi = bnapi;
+		bnapi += arr_size;
+		for (i = 0; i < bp->cp_nr_rings; i++, bnapi += size) {
+			bp->bnapi[i] = bnapi;
+			bp->bnapi[i]->index = i;
+			bp->bnapi[i]->bp = bp;
+		}
+
+		bp->rx_ring = kcalloc(bp->rx_nr_rings,
+				      sizeof(struct bnxt_rx_ring_info),
+				      GFP_KERNEL);
+		if (!bp->rx_ring)
+			return -ENOMEM;
+
+		for (i = 0; i < bp->rx_nr_rings; i++) {
+			bp->rx_ring[i].bnapi = bp->bnapi[i];
+			bp->bnapi[i]->rx_ring = &bp->rx_ring[i];
+		}
+
+		bp->tx_ring = kcalloc(bp->tx_nr_rings,
+				      sizeof(struct bnxt_tx_ring_info),
+				      GFP_KERNEL);
+		if (!bp->tx_ring)
+			return -ENOMEM;
+
+		bp->tx_ring_map = kcalloc(bp->tx_nr_rings, sizeof(u16),
+					  GFP_KERNEL);
+
+		if (!bp->tx_ring_map)
+			return -ENOMEM;
+
+		if (bp->flags & BNXT_FLAG_SHARED_RINGS)
+			j = 0;
+		else
+			j = bp->rx_nr_rings;
+
+		for (i = 0; i < bp->tx_nr_rings; i++, j++) {
+			bp->tx_ring[i].bnapi = bp->bnapi[j];
+			bp->bnapi[j]->tx_ring = &bp->tx_ring[i];
+			bp->tx_ring_map[i] = bp->tx_nr_rings_xdp + i;
+			if (i >= bp->tx_nr_rings_xdp) {
+				bp->tx_ring[i].txq_index = i -
+					bp->tx_nr_rings_xdp;
+				bp->bnapi[j]->tx_int = bnxt_tx_int;
+			} else {
+				bp->bnapi[j]->flags |= BNXT_NAPI_FLAG_XDP;
+				bp->bnapi[j]->tx_int = bnxt_tx_int_xdp;
+			}
+		}
+
+		rc = bnxt_alloc_stats(bp);
+		if (rc)
+			goto alloc_mem_err;
+
+		rc = bnxt_alloc_ntp_fltrs(bp);
+		if (rc)
+			goto alloc_mem_err;
+
+		rc = bnxt_alloc_vnics(bp);
+		if (rc)
+			goto alloc_mem_err;
+	}
+
+	bnxt_init_ring_struct(bp);
+
+	rc = bnxt_alloc_rx_rings(bp);
+	if (rc)
+		goto alloc_mem_err;
+
+	rc = bnxt_alloc_tx_rings(bp);
+	if (rc)
+		goto alloc_mem_err;
+
+	rc = bnxt_alloc_cp_rings(bp);
+	if (rc)
+		goto alloc_mem_err;
+
+	bp->vnic_info[0].flags |= BNXT_VNIC_RSS_FLAG | BNXT_VNIC_MCAST_FLAG |
+				  BNXT_VNIC_UCAST_FLAG;
+	rc = bnxt_alloc_vnic_attributes(bp);
+	if (rc)
+		goto alloc_mem_err;
+	return 0;
+
+alloc_mem_err:
+	bnxt_free_mem(bp, true);
+	return rc;
+}
+
+static void bnxt_disable_int(struct bnxt *bp)
+{
+	int i;
+
+	if (!bp->bnapi)
+		return;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+		struct bnxt_ring_struct *ring = &cpr->cp_ring_struct;
+
+		if (ring->fw_ring_id != INVALID_HW_RING_ID)
+			BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
+	}
+}
+
+static int bnxt_cp_num_to_irq_num(struct bnxt *bp, int n)
+{
+	struct bnxt_napi *bnapi = bp->bnapi[n];
+	struct bnxt_cp_ring_info *cpr;
+
+	cpr = &bnapi->cp_ring;
+	return cpr->cp_ring_struct.map_idx;
+}
+
+static void bnxt_disable_int_sync(struct bnxt *bp)
+{
+	int i;
+
+	atomic_inc(&bp->intr_sem);
+
+	bnxt_disable_int(bp);
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		int map_idx = bnxt_cp_num_to_irq_num(bp, i);
+
+		synchronize_irq(bp->irq_tbl[map_idx].vector);
+	}
+}
+
+static void bnxt_enable_int(struct bnxt *bp)
+{
+	int i;
+
+	atomic_set(&bp->intr_sem, 0);
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+
+		BNXT_CP_DB_REARM(cpr->cp_doorbell, cpr->cp_raw_cons);
+	}
+}
+
+void bnxt_hwrm_cmd_hdr_init(struct bnxt *bp, void *request, u16 req_type,
+			    u16 cmpl_ring, u16 target_id)
+{
+	struct input *req = request;
+
+	req->req_type = cpu_to_le16(req_type);
+	req->cmpl_ring = cpu_to_le16(cmpl_ring);
+	req->target_id = cpu_to_le16(target_id);
+	req->resp_addr = cpu_to_le64(bp->hwrm_cmd_resp_dma_addr);
+}
+
+static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
+				 int timeout, bool silent)
+{
+	int i, intr_process, rc, tmo_count;
+	struct input *req = msg;
+	u32 *data = msg;
+	__le32 *resp_len;
+	u8 *valid;
+	u16 cp_ring_id, len = 0;
+	struct hwrm_err_output *resp = bp->hwrm_cmd_resp_addr;
+	u16 max_req_len = BNXT_HWRM_MAX_REQ_LEN;
+	struct hwrm_short_input short_input = {0};
+
+	req->seq_id = cpu_to_le16(bp->hwrm_cmd_seq++);
+	memset(resp, 0, PAGE_SIZE);
+	cp_ring_id = le16_to_cpu(req->cmpl_ring);
+	intr_process = (cp_ring_id == INVALID_HW_RING_ID) ? 0 : 1;
+
+	if (bp->fw_cap & BNXT_FW_CAP_SHORT_CMD) {
+		void *short_cmd_req = bp->hwrm_short_cmd_req_addr;
+
+		memcpy(short_cmd_req, req, msg_len);
+		memset(short_cmd_req + msg_len, 0, BNXT_HWRM_MAX_REQ_LEN -
+						   msg_len);
+
+		short_input.req_type = req->req_type;
+		short_input.signature =
+				cpu_to_le16(SHORT_REQ_SIGNATURE_SHORT_CMD);
+		short_input.size = cpu_to_le16(msg_len);
+		short_input.req_addr =
+			cpu_to_le64(bp->hwrm_short_cmd_req_dma_addr);
+
+		data = (u32 *)&short_input;
+		msg_len = sizeof(short_input);
+
+		/* Sync memory write before updating doorbell */
+		wmb();
+
+		max_req_len = BNXT_HWRM_SHORT_REQ_LEN;
+	}
+
+	/* Write request msg to hwrm channel */
+	__iowrite32_copy(bp->bar0, data, msg_len / 4);
+
+	for (i = msg_len; i < max_req_len; i += 4)
+		writel(0, bp->bar0 + i);
+
+	/* currently supports only one outstanding message */
+	if (intr_process)
+		bp->hwrm_intr_seq_id = le16_to_cpu(req->seq_id);
+
+	/* Ring channel doorbell */
+	writel(1, bp->bar0 + 0x100);
+
+	if (!timeout)
+		timeout = DFLT_HWRM_CMD_TIMEOUT;
+	/* convert timeout to usec */
+	timeout *= 1000;
+
+	i = 0;
+	/* Short timeout for the first few iterations:
+	 * number of loops = number of loops for short timeout +
+	 * number of loops for standard timeout.
+	 */
+	tmo_count = HWRM_SHORT_TIMEOUT_COUNTER;
+	timeout = timeout - HWRM_SHORT_MIN_TIMEOUT * HWRM_SHORT_TIMEOUT_COUNTER;
+	tmo_count += DIV_ROUND_UP(timeout, HWRM_MIN_TIMEOUT);
+	resp_len = bp->hwrm_cmd_resp_addr + HWRM_RESP_LEN_OFFSET;
+	if (intr_process) {
+		/* Wait until hwrm response cmpl interrupt is processed */
+		while (bp->hwrm_intr_seq_id != HWRM_SEQ_ID_INVALID &&
+		       i++ < tmo_count) {
+			/* on first few passes, just barely sleep */
+			if (i < HWRM_SHORT_TIMEOUT_COUNTER)
+				usleep_range(HWRM_SHORT_MIN_TIMEOUT,
+					     HWRM_SHORT_MAX_TIMEOUT);
+			else
+				usleep_range(HWRM_MIN_TIMEOUT,
+					     HWRM_MAX_TIMEOUT);
+		}
+
+		if (bp->hwrm_intr_seq_id != HWRM_SEQ_ID_INVALID) {
+			netdev_err(bp->dev, "Resp cmpl intr err msg: 0x%x\n",
+				   le16_to_cpu(req->req_type));
+			return -1;
+		}
+		len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
+		      HWRM_RESP_LEN_SFT;
+		valid = bp->hwrm_cmd_resp_addr + len - 1;
+	} else {
+		int j;
+
+		/* Check if response len is updated */
+		for (i = 0; i < tmo_count; i++) {
+			len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
+			      HWRM_RESP_LEN_SFT;
+			if (len)
+				break;
+			/* on first few passes, just barely sleep */
+			if (i < HWRM_SHORT_TIMEOUT_COUNTER)
+				usleep_range(HWRM_SHORT_MIN_TIMEOUT,
+					     HWRM_SHORT_MAX_TIMEOUT);
+			else
+				usleep_range(HWRM_MIN_TIMEOUT,
+					     HWRM_MAX_TIMEOUT);
+		}
+
+		if (i >= tmo_count) {
+			netdev_err(bp->dev, "Error (timeout: %d) msg {0x%x 0x%x} len:%d\n",
+				   HWRM_TOTAL_TIMEOUT(i),
+				   le16_to_cpu(req->req_type),
+				   le16_to_cpu(req->seq_id), len);
+			return -1;
+		}
+
+		/* Last byte of resp contains valid bit */
+		valid = bp->hwrm_cmd_resp_addr + len - 1;
+		for (j = 0; j < HWRM_VALID_BIT_DELAY_USEC; j++) {
+			/* make sure we read from updated DMA memory */
+			dma_rmb();
+			if (*valid)
+				break;
+			usleep_range(1, 5);
+		}
+
+		if (j >= HWRM_VALID_BIT_DELAY_USEC) {
+			netdev_err(bp->dev, "Error (timeout: %d) msg {0x%x 0x%x} len:%d v:%d\n",
+				   HWRM_TOTAL_TIMEOUT(i),
+				   le16_to_cpu(req->req_type),
+				   le16_to_cpu(req->seq_id), len, *valid);
+			return -1;
+		}
+	}
+
+	/* Zero valid bit for compatibility.  Valid bit in an older spec
+	 * may become a new field in a newer spec.  We must make sure that
+	 * a new field not implemented by old spec will read zero.
+	 */
+	*valid = 0;
+	rc = le16_to_cpu(resp->error_code);
+	if (rc && !silent)
+		netdev_err(bp->dev, "hwrm req_type 0x%x seq id 0x%x error 0x%x\n",
+			   le16_to_cpu(resp->req_type),
+			   le16_to_cpu(resp->seq_id), rc);
+	return rc;
+}
+
+int _hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout)
+{
+	return bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, false);
+}
+
+int _hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 msg_len,
+			      int timeout)
+{
+	return bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, true);
+}
+
+int hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout)
+{
+	int rc;
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, msg, msg_len, timeout);
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+int hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 msg_len,
+			     int timeout)
+{
+	int rc;
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, true);
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+int bnxt_hwrm_func_rgtr_async_events(struct bnxt *bp, unsigned long *bmap,
+				     int bmap_size)
+{
+	struct hwrm_func_drv_rgtr_input req = {0};
+	DECLARE_BITMAP(async_events_bmap, 256);
+	u32 *events = (u32 *)async_events_bmap;
+	int i;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_RGTR, -1, -1);
+
+	req.enables =
+		cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_ASYNC_EVENT_FWD);
+
+	memset(async_events_bmap, 0, sizeof(async_events_bmap));
+	for (i = 0; i < ARRAY_SIZE(bnxt_async_events_arr); i++)
+		__set_bit(bnxt_async_events_arr[i], async_events_bmap);
+
+	if (bmap && bmap_size) {
+		for (i = 0; i < bmap_size; i++) {
+			if (test_bit(i, bmap))
+				__set_bit(i, async_events_bmap);
+		}
+	}
+
+	for (i = 0; i < 8; i++)
+		req.async_event_fwd[i] |= cpu_to_le32(events[i]);
+
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp)
+{
+	struct hwrm_func_drv_rgtr_output *resp = bp->hwrm_cmd_resp_addr;
+	struct hwrm_func_drv_rgtr_input req = {0};
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_RGTR, -1, -1);
+
+	req.enables =
+		cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_OS_TYPE |
+			    FUNC_DRV_RGTR_REQ_ENABLES_VER);
+
+	req.os_type = cpu_to_le16(FUNC_DRV_RGTR_REQ_OS_TYPE_LINUX);
+	req.flags = cpu_to_le32(FUNC_DRV_RGTR_REQ_FLAGS_16BIT_VER_MODE);
+	req.ver_maj_8b = DRV_VER_MAJ;
+	req.ver_min_8b = DRV_VER_MIN;
+	req.ver_upd_8b = DRV_VER_UPD;
+	req.ver_maj = cpu_to_le16(DRV_VER_MAJ);
+	req.ver_min = cpu_to_le16(DRV_VER_MIN);
+	req.ver_upd = cpu_to_le16(DRV_VER_UPD);
+
+	if (BNXT_PF(bp)) {
+		u32 data[8];
+		int i;
+
+		memset(data, 0, sizeof(data));
+		for (i = 0; i < ARRAY_SIZE(bnxt_vf_req_snif); i++) {
+			u16 cmd = bnxt_vf_req_snif[i];
+			unsigned int bit, idx;
+
+			idx = cmd / 32;
+			bit = cmd % 32;
+			data[idx] |= 1 << bit;
+		}
+
+		for (i = 0; i < 8; i++)
+			req.vf_req_fwd[i] = cpu_to_le32(data[i]);
+
+		req.enables |=
+			cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_VF_REQ_FWD);
+	}
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		rc = -EIO;
+	else if (resp->flags &
+		 cpu_to_le32(FUNC_DRV_RGTR_RESP_FLAGS_IF_CHANGE_SUPPORTED))
+		bp->fw_cap |= BNXT_FW_CAP_IF_CHANGE;
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp)
+{
+	struct hwrm_func_drv_unrgtr_input req = {0};
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_UNRGTR, -1, -1);
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_tunnel_dst_port_free(struct bnxt *bp, u8 tunnel_type)
+{
+	u32 rc = 0;
+	struct hwrm_tunnel_dst_port_free_input req = {0};
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TUNNEL_DST_PORT_FREE, -1, -1);
+	req.tunnel_type = tunnel_type;
+
+	switch (tunnel_type) {
+	case TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN:
+		req.tunnel_dst_port_id = bp->vxlan_fw_dst_port_id;
+		break;
+	case TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE:
+		req.tunnel_dst_port_id = bp->nge_fw_dst_port_id;
+		break;
+	default:
+		break;
+	}
+
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		netdev_err(bp->dev, "hwrm_tunnel_dst_port_free failed. rc:%d\n",
+			   rc);
+	return rc;
+}
+
+static int bnxt_hwrm_tunnel_dst_port_alloc(struct bnxt *bp, __be16 port,
+					   u8 tunnel_type)
+{
+	u32 rc = 0;
+	struct hwrm_tunnel_dst_port_alloc_input req = {0};
+	struct hwrm_tunnel_dst_port_alloc_output *resp = bp->hwrm_cmd_resp_addr;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TUNNEL_DST_PORT_ALLOC, -1, -1);
+
+	req.tunnel_type = tunnel_type;
+	req.tunnel_dst_port_val = port;
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm_tunnel_dst_port_alloc failed. rc:%d\n",
+			   rc);
+		goto err_out;
+	}
+
+	switch (tunnel_type) {
+	case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_VXLAN:
+		bp->vxlan_fw_dst_port_id = resp->tunnel_dst_port_id;
+		break;
+	case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_GENEVE:
+		bp->nge_fw_dst_port_id = resp->tunnel_dst_port_id;
+		break;
+	default:
+		break;
+	}
+
+err_out:
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt *bp, u16 vnic_id)
+{
+	struct hwrm_cfa_l2_set_rx_mask_input req = {0};
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_SET_RX_MASK, -1, -1);
+	req.vnic_id = cpu_to_le32(vnic->fw_vnic_id);
+
+	req.num_mc_entries = cpu_to_le32(vnic->mc_list_count);
+	req.mc_tbl_addr = cpu_to_le64(vnic->mc_list_mapping);
+	req.mask = cpu_to_le32(vnic->rx_mask);
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+#ifdef CONFIG_RFS_ACCEL
+static int bnxt_hwrm_cfa_ntuple_filter_free(struct bnxt *bp,
+					    struct bnxt_ntuple_filter *fltr)
+{
+	struct hwrm_cfa_ntuple_filter_free_input req = {0};
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_NTUPLE_FILTER_FREE, -1, -1);
+	req.ntuple_filter_id = fltr->filter_id;
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+#define BNXT_NTP_FLTR_FLAGS					\
+	(CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_L2_FILTER_ID |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_ETHERTYPE |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_MACADDR |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_IPADDR_TYPE |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_IPADDR |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_IPADDR_MASK |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_IPADDR |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_IPADDR_MASK |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_IP_PROTOCOL |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_PORT |		\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_PORT_MASK |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_PORT |		\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_PORT_MASK |	\
+	 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_ID)
+
+#define BNXT_NTP_TUNNEL_FLTR_FLAG				\
+		CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_TUNNEL_TYPE
+
+static int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp,
+					     struct bnxt_ntuple_filter *fltr)
+{
+	int rc = 0;
+	struct hwrm_cfa_ntuple_filter_alloc_input req = {0};
+	struct hwrm_cfa_ntuple_filter_alloc_output *resp =
+		bp->hwrm_cmd_resp_addr;
+	struct flow_keys *keys = &fltr->fkeys;
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[fltr->rxq + 1];
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_NTUPLE_FILTER_ALLOC, -1, -1);
+	req.l2_filter_id = bp->vnic_info[0].fw_l2_filter_id[fltr->l2_fltr_idx];
+
+	req.enables = cpu_to_le32(BNXT_NTP_FLTR_FLAGS);
+
+	req.ethertype = htons(ETH_P_IP);
+	memcpy(req.src_macaddr, fltr->src_mac_addr, ETH_ALEN);
+	req.ip_addr_type = CFA_NTUPLE_FILTER_ALLOC_REQ_IP_ADDR_TYPE_IPV4;
+	req.ip_protocol = keys->basic.ip_proto;
+
+	if (keys->basic.n_proto == htons(ETH_P_IPV6)) {
+		int i;
+
+		req.ethertype = htons(ETH_P_IPV6);
+		req.ip_addr_type =
+			CFA_NTUPLE_FILTER_ALLOC_REQ_IP_ADDR_TYPE_IPV6;
+		*(struct in6_addr *)&req.src_ipaddr[0] =
+			keys->addrs.v6addrs.src;
+		*(struct in6_addr *)&req.dst_ipaddr[0] =
+			keys->addrs.v6addrs.dst;
+		for (i = 0; i < 4; i++) {
+			req.src_ipaddr_mask[i] = cpu_to_be32(0xffffffff);
+			req.dst_ipaddr_mask[i] = cpu_to_be32(0xffffffff);
+		}
+	} else {
+		req.src_ipaddr[0] = keys->addrs.v4addrs.src;
+		req.src_ipaddr_mask[0] = cpu_to_be32(0xffffffff);
+		req.dst_ipaddr[0] = keys->addrs.v4addrs.dst;
+		req.dst_ipaddr_mask[0] = cpu_to_be32(0xffffffff);
+	}
+	if (keys->control.flags & FLOW_DIS_ENCAPSULATION) {
+		req.enables |= cpu_to_le32(BNXT_NTP_TUNNEL_FLTR_FLAG);
+		req.tunnel_type =
+			CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_ANYTUNNEL;
+	}
+
+	req.src_port = keys->ports.src;
+	req.src_port_mask = cpu_to_be16(0xffff);
+	req.dst_port = keys->ports.dst;
+	req.dst_port_mask = cpu_to_be16(0xffff);
+
+	req.dst_id = cpu_to_le16(vnic->fw_vnic_id);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		fltr->filter_id = resp->ntuple_filter_id;
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+#endif
+
+static int bnxt_hwrm_set_vnic_filter(struct bnxt *bp, u16 vnic_id, u16 idx,
+				     u8 *mac_addr)
+{
+	u32 rc = 0;
+	struct hwrm_cfa_l2_filter_alloc_input req = {0};
+	struct hwrm_cfa_l2_filter_alloc_output *resp = bp->hwrm_cmd_resp_addr;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_FILTER_ALLOC, -1, -1);
+	req.flags = cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_FLAGS_PATH_RX);
+	if (!BNXT_CHIP_TYPE_NITRO_A0(bp))
+		req.flags |=
+			cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_FLAGS_OUTERMOST);
+	req.dst_id = cpu_to_le16(bp->vnic_info[vnic_id].fw_vnic_id);
+	req.enables =
+		cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_ENABLES_L2_ADDR |
+			    CFA_L2_FILTER_ALLOC_REQ_ENABLES_DST_ID |
+			    CFA_L2_FILTER_ALLOC_REQ_ENABLES_L2_ADDR_MASK);
+	memcpy(req.l2_addr, mac_addr, ETH_ALEN);
+	req.l2_addr_mask[0] = 0xff;
+	req.l2_addr_mask[1] = 0xff;
+	req.l2_addr_mask[2] = 0xff;
+	req.l2_addr_mask[3] = 0xff;
+	req.l2_addr_mask[4] = 0xff;
+	req.l2_addr_mask[5] = 0xff;
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		bp->vnic_info[vnic_id].fw_l2_filter_id[idx] =
+							resp->l2_filter_id;
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_clear_vnic_filter(struct bnxt *bp)
+{
+	u16 i, j, num_of_vnics = 1; /* only vnic 0 supported */
+	int rc = 0;
+
+	/* Any associated ntuple filters will also be cleared by firmware. */
+	mutex_lock(&bp->hwrm_cmd_lock);
+	for (i = 0; i < num_of_vnics; i++) {
+		struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
+
+		for (j = 0; j < vnic->uc_filter_count; j++) {
+			struct hwrm_cfa_l2_filter_free_input req = {0};
+
+			bnxt_hwrm_cmd_hdr_init(bp, &req,
+					       HWRM_CFA_L2_FILTER_FREE, -1, -1);
+
+			req.l2_filter_id = vnic->fw_l2_filter_id[j];
+
+			rc = _hwrm_send_message(bp, &req, sizeof(req),
+						HWRM_CMD_TIMEOUT);
+		}
+		vnic->uc_filter_count = 0;
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+
+	return rc;
+}
+
+static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags)
+{
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
+	struct hwrm_vnic_tpa_cfg_input req = {0};
+
+	if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_TPA_CFG, -1, -1);
+
+	if (tpa_flags) {
+		u16 mss = bp->dev->mtu - 40;
+		u32 nsegs, n, segs = 0, flags;
+
+		flags = VNIC_TPA_CFG_REQ_FLAGS_TPA |
+			VNIC_TPA_CFG_REQ_FLAGS_ENCAP_TPA |
+			VNIC_TPA_CFG_REQ_FLAGS_RSC_WND_UPDATE |
+			VNIC_TPA_CFG_REQ_FLAGS_AGG_WITH_ECN |
+			VNIC_TPA_CFG_REQ_FLAGS_AGG_WITH_SAME_GRE_SEQ;
+		if (tpa_flags & BNXT_FLAG_GRO)
+			flags |= VNIC_TPA_CFG_REQ_FLAGS_GRO;
+
+		req.flags = cpu_to_le32(flags);
+
+		req.enables =
+			cpu_to_le32(VNIC_TPA_CFG_REQ_ENABLES_MAX_AGG_SEGS |
+				    VNIC_TPA_CFG_REQ_ENABLES_MAX_AGGS |
+				    VNIC_TPA_CFG_REQ_ENABLES_MIN_AGG_LEN);
+
+		/* Number of segs are log2 units, and first packet is not
+		 * included as part of this units.
+		 */
+		if (mss <= BNXT_RX_PAGE_SIZE) {
+			n = BNXT_RX_PAGE_SIZE / mss;
+			nsegs = (MAX_SKB_FRAGS - 1) * n;
+		} else {
+			n = mss / BNXT_RX_PAGE_SIZE;
+			if (mss & (BNXT_RX_PAGE_SIZE - 1))
+				n++;
+			nsegs = (MAX_SKB_FRAGS - n) / n;
+		}
+
+		segs = ilog2(nsegs);
+		req.max_agg_segs = cpu_to_le16(segs);
+		req.max_aggs = cpu_to_le16(VNIC_TPA_CFG_REQ_MAX_AGGS_MAX);
+
+		req.min_agg_len = cpu_to_le32(512);
+	}
+	req.vnic_id = cpu_to_le16(vnic->fw_vnic_id);
+
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_vnic_set_rss(struct bnxt *bp, u16 vnic_id, bool set_rss)
+{
+	u32 i, j, max_rings;
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
+	struct hwrm_vnic_rss_cfg_input req = {0};
+
+	if (vnic->fw_rss_cos_lb_ctx[0] == INVALID_HW_RING_ID)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_CFG, -1, -1);
+	if (set_rss) {
+		req.hash_type = cpu_to_le32(bp->rss_hash_cfg);
+		req.hash_mode_flags = VNIC_RSS_CFG_REQ_HASH_MODE_FLAGS_DEFAULT;
+		if (vnic->flags & BNXT_VNIC_RSS_FLAG) {
+			if (BNXT_CHIP_TYPE_NITRO_A0(bp))
+				max_rings = bp->rx_nr_rings - 1;
+			else
+				max_rings = bp->rx_nr_rings;
+		} else {
+			max_rings = 1;
+		}
+
+		/* Fill the RSS indirection table with ring group ids */
+		for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++, j++) {
+			if (j == max_rings)
+				j = 0;
+			vnic->rss_table[i] = cpu_to_le16(vnic->fw_grp_ids[j]);
+		}
+
+		req.ring_grp_tbl_addr = cpu_to_le64(vnic->rss_table_dma_addr);
+		req.hash_key_tbl_addr =
+			cpu_to_le64(vnic->rss_hash_key_dma_addr);
+	}
+	req.rss_ctx_idx = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[0]);
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_vnic_set_hds(struct bnxt *bp, u16 vnic_id)
+{
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
+	struct hwrm_vnic_plcmodes_cfg_input req = {0};
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_PLCMODES_CFG, -1, -1);
+	req.flags = cpu_to_le32(VNIC_PLCMODES_CFG_REQ_FLAGS_JUMBO_PLACEMENT |
+				VNIC_PLCMODES_CFG_REQ_FLAGS_HDS_IPV4 |
+				VNIC_PLCMODES_CFG_REQ_FLAGS_HDS_IPV6);
+	req.enables =
+		cpu_to_le32(VNIC_PLCMODES_CFG_REQ_ENABLES_JUMBO_THRESH_VALID |
+			    VNIC_PLCMODES_CFG_REQ_ENABLES_HDS_THRESHOLD_VALID);
+	/* thresholds not implemented in firmware yet */
+	req.jumbo_thresh = cpu_to_le16(bp->rx_copy_thresh);
+	req.hds_threshold = cpu_to_le16(bp->rx_copy_thresh);
+	req.vnic_id = cpu_to_le32(vnic->fw_vnic_id);
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static void bnxt_hwrm_vnic_ctx_free_one(struct bnxt *bp, u16 vnic_id,
+					u16 ctx_idx)
+{
+	struct hwrm_vnic_rss_cos_lb_ctx_free_input req = {0};
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_COS_LB_CTX_FREE, -1, -1);
+	req.rss_cos_lb_ctx_id =
+		cpu_to_le16(bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx]);
+
+	hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx] = INVALID_HW_RING_ID;
+}
+
+static void bnxt_hwrm_vnic_ctx_free(struct bnxt *bp)
+{
+	int i, j;
+
+	for (i = 0; i < bp->nr_vnics; i++) {
+		struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
+
+		for (j = 0; j < BNXT_MAX_CTX_PER_VNIC; j++) {
+			if (vnic->fw_rss_cos_lb_ctx[j] != INVALID_HW_RING_ID)
+				bnxt_hwrm_vnic_ctx_free_one(bp, i, j);
+		}
+	}
+	bp->rsscos_nr_ctxs = 0;
+}
+
+static int bnxt_hwrm_vnic_ctx_alloc(struct bnxt *bp, u16 vnic_id, u16 ctx_idx)
+{
+	int rc;
+	struct hwrm_vnic_rss_cos_lb_ctx_alloc_input req = {0};
+	struct hwrm_vnic_rss_cos_lb_ctx_alloc_output *resp =
+						bp->hwrm_cmd_resp_addr;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_COS_LB_CTX_ALLOC, -1,
+			       -1);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx] =
+			le16_to_cpu(resp->rss_cos_lb_ctx_id);
+	mutex_unlock(&bp->hwrm_cmd_lock);
+
+	return rc;
+}
+
+static u32 bnxt_get_roce_vnic_mode(struct bnxt *bp)
+{
+	if (bp->flags & BNXT_FLAG_ROCE_MIRROR_CAP)
+		return VNIC_CFG_REQ_FLAGS_ROCE_MIRRORING_CAPABLE_VNIC_MODE;
+	return VNIC_CFG_REQ_FLAGS_ROCE_DUAL_VNIC_MODE;
+}
+
+int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id)
+{
+	unsigned int ring = 0, grp_idx;
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
+	struct hwrm_vnic_cfg_input req = {0};
+	u16 def_vlan = 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_CFG, -1, -1);
+
+	req.enables = cpu_to_le32(VNIC_CFG_REQ_ENABLES_DFLT_RING_GRP);
+	/* Only RSS support for now TBD: COS & LB */
+	if (vnic->fw_rss_cos_lb_ctx[0] != INVALID_HW_RING_ID) {
+		req.rss_rule = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[0]);
+		req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_RSS_RULE |
+					   VNIC_CFG_REQ_ENABLES_MRU);
+	} else if (vnic->flags & BNXT_VNIC_RFS_NEW_RSS_FLAG) {
+		req.rss_rule =
+			cpu_to_le16(bp->vnic_info[0].fw_rss_cos_lb_ctx[0]);
+		req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_RSS_RULE |
+					   VNIC_CFG_REQ_ENABLES_MRU);
+		req.flags |= cpu_to_le32(VNIC_CFG_REQ_FLAGS_RSS_DFLT_CR_MODE);
+	} else {
+		req.rss_rule = cpu_to_le16(0xffff);
+	}
+
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp) &&
+	    (vnic->fw_rss_cos_lb_ctx[0] != INVALID_HW_RING_ID)) {
+		req.cos_rule = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[1]);
+		req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_COS_RULE);
+	} else {
+		req.cos_rule = cpu_to_le16(0xffff);
+	}
+
+	if (vnic->flags & BNXT_VNIC_RSS_FLAG)
+		ring = 0;
+	else if (vnic->flags & BNXT_VNIC_RFS_FLAG)
+		ring = vnic_id - 1;
+	else if ((vnic_id == 1) && BNXT_CHIP_TYPE_NITRO_A0(bp))
+		ring = bp->rx_nr_rings - 1;
+
+	grp_idx = bp->rx_ring[ring].bnapi->index;
+	req.vnic_id = cpu_to_le16(vnic->fw_vnic_id);
+	req.dflt_ring_grp = cpu_to_le16(bp->grp_info[grp_idx].fw_grp_id);
+
+	req.lb_rule = cpu_to_le16(0xffff);
+	req.mru = cpu_to_le16(bp->dev->mtu + ETH_HLEN + ETH_FCS_LEN +
+			      VLAN_HLEN);
+
+#ifdef CONFIG_BNXT_SRIOV
+	if (BNXT_VF(bp))
+		def_vlan = bp->vf.vlan;
+#endif
+	if ((bp->flags & BNXT_FLAG_STRIP_VLAN) || def_vlan)
+		req.flags |= cpu_to_le32(VNIC_CFG_REQ_FLAGS_VLAN_STRIP_MODE);
+	if (!vnic_id && bnxt_ulp_registered(bp->edev, BNXT_ROCE_ULP))
+		req.flags |= cpu_to_le32(bnxt_get_roce_vnic_mode(bp));
+
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id)
+{
+	u32 rc = 0;
+
+	if (bp->vnic_info[vnic_id].fw_vnic_id != INVALID_HW_RING_ID) {
+		struct hwrm_vnic_free_input req = {0};
+
+		bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_FREE, -1, -1);
+		req.vnic_id =
+			cpu_to_le32(bp->vnic_info[vnic_id].fw_vnic_id);
+
+		rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+		if (rc)
+			return rc;
+		bp->vnic_info[vnic_id].fw_vnic_id = INVALID_HW_RING_ID;
+	}
+	return rc;
+}
+
+static void bnxt_hwrm_vnic_free(struct bnxt *bp)
+{
+	u16 i;
+
+	for (i = 0; i < bp->nr_vnics; i++)
+		bnxt_hwrm_vnic_free_one(bp, i);
+}
+
+static int bnxt_hwrm_vnic_alloc(struct bnxt *bp, u16 vnic_id,
+				unsigned int start_rx_ring_idx,
+				unsigned int nr_rings)
+{
+	int rc = 0;
+	unsigned int i, j, grp_idx, end_idx = start_rx_ring_idx + nr_rings;
+	struct hwrm_vnic_alloc_input req = {0};
+	struct hwrm_vnic_alloc_output *resp = bp->hwrm_cmd_resp_addr;
+
+	/* map ring groups to this vnic */
+	for (i = start_rx_ring_idx, j = 0; i < end_idx; i++, j++) {
+		grp_idx = bp->rx_ring[i].bnapi->index;
+		if (bp->grp_info[grp_idx].fw_grp_id == INVALID_HW_RING_ID) {
+			netdev_err(bp->dev, "Not enough ring groups avail:%x req:%x\n",
+				   j, nr_rings);
+			break;
+		}
+		bp->vnic_info[vnic_id].fw_grp_ids[j] =
+					bp->grp_info[grp_idx].fw_grp_id;
+	}
+
+	bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[0] = INVALID_HW_RING_ID;
+	bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[1] = INVALID_HW_RING_ID;
+	if (vnic_id == 0)
+		req.flags = cpu_to_le32(VNIC_ALLOC_REQ_FLAGS_DEFAULT);
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_ALLOC, -1, -1);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		bp->vnic_info[vnic_id].fw_vnic_id = le32_to_cpu(resp->vnic_id);
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_vnic_qcaps(struct bnxt *bp)
+{
+	struct hwrm_vnic_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
+	struct hwrm_vnic_qcaps_input req = {0};
+	int rc;
+
+	if (bp->hwrm_spec_code < 0x10600)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_QCAPS, -1, -1);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc) {
+		u32 flags = le32_to_cpu(resp->flags);
+
+		if (flags & VNIC_QCAPS_RESP_FLAGS_RSS_DFLT_CR_CAP)
+			bp->flags |= BNXT_FLAG_NEW_RSS_CAP;
+		if (flags &
+		    VNIC_QCAPS_RESP_FLAGS_ROCE_MIRRORING_CAPABLE_VNIC_CAP)
+			bp->flags |= BNXT_FLAG_ROCE_MIRROR_CAP;
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_ring_grp_alloc(struct bnxt *bp)
+{
+	u16 i;
+	u32 rc = 0;
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct hwrm_ring_grp_alloc_input req = {0};
+		struct hwrm_ring_grp_alloc_output *resp =
+					bp->hwrm_cmd_resp_addr;
+		unsigned int grp_idx = bp->rx_ring[i].bnapi->index;
+
+		bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_ALLOC, -1, -1);
+
+		req.cr = cpu_to_le16(bp->grp_info[grp_idx].cp_fw_ring_id);
+		req.rr = cpu_to_le16(bp->grp_info[grp_idx].rx_fw_ring_id);
+		req.ar = cpu_to_le16(bp->grp_info[grp_idx].agg_fw_ring_id);
+		req.sc = cpu_to_le16(bp->grp_info[grp_idx].fw_stats_ctx);
+
+		rc = _hwrm_send_message(bp, &req, sizeof(req),
+					HWRM_CMD_TIMEOUT);
+		if (rc)
+			break;
+
+		bp->grp_info[grp_idx].fw_grp_id =
+			le32_to_cpu(resp->ring_group_id);
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_ring_grp_free(struct bnxt *bp)
+{
+	u16 i;
+	u32 rc = 0;
+	struct hwrm_ring_grp_free_input req = {0};
+
+	if (!bp->grp_info)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_FREE, -1, -1);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		if (bp->grp_info[i].fw_grp_id == INVALID_HW_RING_ID)
+			continue;
+		req.ring_group_id =
+			cpu_to_le32(bp->grp_info[i].fw_grp_id);
+
+		rc = _hwrm_send_message(bp, &req, sizeof(req),
+					HWRM_CMD_TIMEOUT);
+		if (rc)
+			break;
+		bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID;
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int hwrm_ring_alloc_send_msg(struct bnxt *bp,
+				    struct bnxt_ring_struct *ring,
+				    u32 ring_type, u32 map_index)
+{
+	int rc = 0, err = 0;
+	struct hwrm_ring_alloc_input req = {0};
+	struct hwrm_ring_alloc_output *resp = bp->hwrm_cmd_resp_addr;
+	struct bnxt_ring_grp_info *grp_info;
+	u16 ring_id;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_ALLOC, -1, -1);
+
+	req.enables = 0;
+	if (ring->nr_pages > 1) {
+		req.page_tbl_addr = cpu_to_le64(ring->pg_tbl_map);
+		/* Page size is in log2 units */
+		req.page_size = BNXT_PAGE_SHIFT;
+		req.page_tbl_depth = 1;
+	} else {
+		req.page_tbl_addr =  cpu_to_le64(ring->dma_arr[0]);
+	}
+	req.fbo = 0;
+	/* Association of ring index with doorbell index and MSIX number */
+	req.logical_id = cpu_to_le16(map_index);
+
+	switch (ring_type) {
+	case HWRM_RING_ALLOC_TX:
+		req.ring_type = RING_ALLOC_REQ_RING_TYPE_TX;
+		/* Association of transmit ring with completion ring */
+		grp_info = &bp->grp_info[ring->grp_idx];
+		req.cmpl_ring_id = cpu_to_le16(grp_info->cp_fw_ring_id);
+		req.length = cpu_to_le32(bp->tx_ring_mask + 1);
+		req.stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx);
+		req.queue_id = cpu_to_le16(ring->queue_id);
+		break;
+	case HWRM_RING_ALLOC_RX:
+		req.ring_type = RING_ALLOC_REQ_RING_TYPE_RX;
+		req.length = cpu_to_le32(bp->rx_ring_mask + 1);
+		break;
+	case HWRM_RING_ALLOC_AGG:
+		req.ring_type = RING_ALLOC_REQ_RING_TYPE_RX;
+		req.length = cpu_to_le32(bp->rx_agg_ring_mask + 1);
+		break;
+	case HWRM_RING_ALLOC_CMPL:
+		req.ring_type = RING_ALLOC_REQ_RING_TYPE_L2_CMPL;
+		req.length = cpu_to_le32(bp->cp_ring_mask + 1);
+		if (bp->flags & BNXT_FLAG_USING_MSIX)
+			req.int_mode = RING_ALLOC_REQ_INT_MODE_MSIX;
+		break;
+	default:
+		netdev_err(bp->dev, "hwrm alloc invalid ring type %d\n",
+			   ring_type);
+		return -1;
+	}
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	err = le16_to_cpu(resp->error_code);
+	ring_id = le16_to_cpu(resp->ring_id);
+	mutex_unlock(&bp->hwrm_cmd_lock);
+
+	if (rc || err) {
+		netdev_err(bp->dev, "hwrm_ring_alloc type %d failed. rc:%x err:%x\n",
+			   ring_type, rc, err);
+		return -EIO;
+	}
+	ring->fw_ring_id = ring_id;
+	return rc;
+}
+
+static int bnxt_hwrm_set_async_event_cr(struct bnxt *bp, int idx)
+{
+	int rc;
+
+	if (BNXT_PF(bp)) {
+		struct hwrm_func_cfg_input req = {0};
+
+		bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
+		req.fid = cpu_to_le16(0xffff);
+		req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_ASYNC_EVENT_CR);
+		req.async_event_cr = cpu_to_le16(idx);
+		rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	} else {
+		struct hwrm_func_vf_cfg_input req = {0};
+
+		bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1);
+		req.enables =
+			cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_ASYNC_EVENT_CR);
+		req.async_event_cr = cpu_to_le16(idx);
+		rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	}
+	return rc;
+}
+
+static int bnxt_hwrm_ring_alloc(struct bnxt *bp)
+{
+	int i, rc = 0;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+		struct bnxt_ring_struct *ring = &cpr->cp_ring_struct;
+		u32 map_idx = ring->map_idx;
+
+		cpr->cp_doorbell = bp->bar1 + map_idx * 0x80;
+		rc = hwrm_ring_alloc_send_msg(bp, ring, HWRM_RING_ALLOC_CMPL,
+					      map_idx);
+		if (rc)
+			goto err_out;
+		BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
+		bp->grp_info[i].cp_fw_ring_id = ring->fw_ring_id;
+
+		if (!i) {
+			rc = bnxt_hwrm_set_async_event_cr(bp, ring->fw_ring_id);
+			if (rc)
+				netdev_warn(bp->dev, "Failed to set async event completion ring.\n");
+		}
+	}
+
+	for (i = 0; i < bp->tx_nr_rings; i++) {
+		struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
+		struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
+		u32 map_idx = i;
+
+		rc = hwrm_ring_alloc_send_msg(bp, ring, HWRM_RING_ALLOC_TX,
+					      map_idx);
+		if (rc)
+			goto err_out;
+		txr->tx_doorbell = bp->bar1 + map_idx * 0x80;
+	}
+
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
+		struct bnxt_ring_struct *ring = &rxr->rx_ring_struct;
+		u32 map_idx = rxr->bnapi->index;
+
+		rc = hwrm_ring_alloc_send_msg(bp, ring, HWRM_RING_ALLOC_RX,
+					      map_idx);
+		if (rc)
+			goto err_out;
+		rxr->rx_doorbell = bp->bar1 + map_idx * 0x80;
+		writel(DB_KEY_RX | rxr->rx_prod, rxr->rx_doorbell);
+		bp->grp_info[map_idx].rx_fw_ring_id = ring->fw_ring_id;
+	}
+
+	if (bp->flags & BNXT_FLAG_AGG_RINGS) {
+		for (i = 0; i < bp->rx_nr_rings; i++) {
+			struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
+			struct bnxt_ring_struct *ring =
+						&rxr->rx_agg_ring_struct;
+			u32 grp_idx = ring->grp_idx;
+			u32 map_idx = grp_idx + bp->rx_nr_rings;
+
+			rc = hwrm_ring_alloc_send_msg(bp, ring,
+						      HWRM_RING_ALLOC_AGG,
+						      map_idx);
+			if (rc)
+				goto err_out;
+
+			rxr->rx_agg_doorbell = bp->bar1 + map_idx * 0x80;
+			writel(DB_KEY_RX | rxr->rx_agg_prod,
+			       rxr->rx_agg_doorbell);
+			bp->grp_info[grp_idx].agg_fw_ring_id = ring->fw_ring_id;
+		}
+	}
+err_out:
+	return rc;
+}
+
+static int hwrm_ring_free_send_msg(struct bnxt *bp,
+				   struct bnxt_ring_struct *ring,
+				   u32 ring_type, int cmpl_ring_id)
+{
+	int rc;
+	struct hwrm_ring_free_input req = {0};
+	struct hwrm_ring_free_output *resp = bp->hwrm_cmd_resp_addr;
+	u16 error_code;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, cmpl_ring_id, -1);
+	req.ring_type = ring_type;
+	req.ring_id = cpu_to_le16(ring->fw_ring_id);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	error_code = le16_to_cpu(resp->error_code);
+	mutex_unlock(&bp->hwrm_cmd_lock);
+
+	if (rc || error_code) {
+		netdev_err(bp->dev, "hwrm_ring_free type %d failed. rc:%x err:%x\n",
+			   ring_type, rc, error_code);
+		return -EIO;
+	}
+	return 0;
+}
+
+static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path)
+{
+	int i;
+
+	if (!bp->bnapi)
+		return;
+
+	for (i = 0; i < bp->tx_nr_rings; i++) {
+		struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
+		struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
+		u32 grp_idx = txr->bnapi->index;
+		u32 cmpl_ring_id = bp->grp_info[grp_idx].cp_fw_ring_id;
+
+		if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+			hwrm_ring_free_send_msg(bp, ring,
+						RING_FREE_REQ_RING_TYPE_TX,
+						close_path ? cmpl_ring_id :
+						INVALID_HW_RING_ID);
+			ring->fw_ring_id = INVALID_HW_RING_ID;
+		}
+	}
+
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
+		struct bnxt_ring_struct *ring = &rxr->rx_ring_struct;
+		u32 grp_idx = rxr->bnapi->index;
+		u32 cmpl_ring_id = bp->grp_info[grp_idx].cp_fw_ring_id;
+
+		if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+			hwrm_ring_free_send_msg(bp, ring,
+						RING_FREE_REQ_RING_TYPE_RX,
+						close_path ? cmpl_ring_id :
+						INVALID_HW_RING_ID);
+			ring->fw_ring_id = INVALID_HW_RING_ID;
+			bp->grp_info[grp_idx].rx_fw_ring_id =
+				INVALID_HW_RING_ID;
+		}
+	}
+
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
+		struct bnxt_ring_struct *ring = &rxr->rx_agg_ring_struct;
+		u32 grp_idx = rxr->bnapi->index;
+		u32 cmpl_ring_id = bp->grp_info[grp_idx].cp_fw_ring_id;
+
+		if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+			hwrm_ring_free_send_msg(bp, ring,
+						RING_FREE_REQ_RING_TYPE_RX,
+						close_path ? cmpl_ring_id :
+						INVALID_HW_RING_ID);
+			ring->fw_ring_id = INVALID_HW_RING_ID;
+			bp->grp_info[grp_idx].agg_fw_ring_id =
+				INVALID_HW_RING_ID;
+		}
+	}
+
+	/* The completion rings are about to be freed.  After that the
+	 * IRQ doorbell will not work anymore.  So we need to disable
+	 * IRQ here.
+	 */
+	bnxt_disable_int_sync(bp);
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+		struct bnxt_ring_struct *ring = &cpr->cp_ring_struct;
+
+		if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+			hwrm_ring_free_send_msg(bp, ring,
+						RING_FREE_REQ_RING_TYPE_L2_CMPL,
+						INVALID_HW_RING_ID);
+			ring->fw_ring_id = INVALID_HW_RING_ID;
+			bp->grp_info[i].cp_fw_ring_id = INVALID_HW_RING_ID;
+		}
+	}
+}
+
+static int bnxt_hwrm_get_rings(struct bnxt *bp)
+{
+	struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	struct hwrm_func_qcfg_input req = {0};
+	int rc;
+
+	if (bp->hwrm_spec_code < 0x10601)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1);
+	req.fid = cpu_to_le16(0xffff);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc) {
+		mutex_unlock(&bp->hwrm_cmd_lock);
+		return -EIO;
+	}
+
+	hw_resc->resv_tx_rings = le16_to_cpu(resp->alloc_tx_rings);
+	if (BNXT_NEW_RM(bp)) {
+		u16 cp, stats;
+
+		hw_resc->resv_rx_rings = le16_to_cpu(resp->alloc_rx_rings);
+		hw_resc->resv_hw_ring_grps =
+			le32_to_cpu(resp->alloc_hw_ring_grps);
+		hw_resc->resv_vnics = le16_to_cpu(resp->alloc_vnics);
+		cp = le16_to_cpu(resp->alloc_cmpl_rings);
+		stats = le16_to_cpu(resp->alloc_stat_ctx);
+		cp = min_t(u16, cp, stats);
+		hw_resc->resv_cp_rings = cp;
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return 0;
+}
+
+/* Caller must hold bp->hwrm_cmd_lock */
+int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings)
+{
+	struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
+	struct hwrm_func_qcfg_input req = {0};
+	int rc;
+
+	if (bp->hwrm_spec_code < 0x10601)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1);
+	req.fid = cpu_to_le16(fid);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		*tx_rings = le16_to_cpu(resp->alloc_tx_rings);
+
+	return rc;
+}
+
+static void
+__bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req,
+			     int tx_rings, int rx_rings, int ring_grps,
+			     int cp_rings, int vnics)
+{
+	u32 enables = 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_CFG, -1, -1);
+	req->fid = cpu_to_le16(0xffff);
+	enables |= tx_rings ? FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS : 0;
+	req->num_tx_rings = cpu_to_le16(tx_rings);
+	if (BNXT_NEW_RM(bp)) {
+		enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0;
+		enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
+				      FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
+		enables |= ring_grps ?
+			   FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
+		enables |= vnics ? FUNC_CFG_REQ_ENABLES_NUM_VNICS : 0;
+
+		req->num_rx_rings = cpu_to_le16(rx_rings);
+		req->num_hw_ring_grps = cpu_to_le16(ring_grps);
+		req->num_cmpl_rings = cpu_to_le16(cp_rings);
+		req->num_stat_ctxs = req->num_cmpl_rings;
+		req->num_vnics = cpu_to_le16(vnics);
+	}
+	req->enables = cpu_to_le32(enables);
+}
+
+static void
+__bnxt_hwrm_reserve_vf_rings(struct bnxt *bp,
+			     struct hwrm_func_vf_cfg_input *req, int tx_rings,
+			     int rx_rings, int ring_grps, int cp_rings,
+			     int vnics)
+{
+	u32 enables = 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_VF_CFG, -1, -1);
+	enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0;
+	enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0;
+	enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
+			      FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
+	enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
+	enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0;
+
+	req->num_tx_rings = cpu_to_le16(tx_rings);
+	req->num_rx_rings = cpu_to_le16(rx_rings);
+	req->num_hw_ring_grps = cpu_to_le16(ring_grps);
+	req->num_cmpl_rings = cpu_to_le16(cp_rings);
+	req->num_stat_ctxs = req->num_cmpl_rings;
+	req->num_vnics = cpu_to_le16(vnics);
+
+	req->enables = cpu_to_le32(enables);
+}
+
+static int
+bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
+			   int ring_grps, int cp_rings, int vnics)
+{
+	struct hwrm_func_cfg_input req = {0};
+	int rc;
+
+	__bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
+				     cp_rings, vnics);
+	if (!req.enables)
+		return 0;
+
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		return -ENOMEM;
+
+	if (bp->hwrm_spec_code < 0x10601)
+		bp->hw_resc.resv_tx_rings = tx_rings;
+
+	rc = bnxt_hwrm_get_rings(bp);
+	return rc;
+}
+
+static int
+bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
+			   int ring_grps, int cp_rings, int vnics)
+{
+	struct hwrm_func_vf_cfg_input req = {0};
+	int rc;
+
+	if (!BNXT_NEW_RM(bp)) {
+		bp->hw_resc.resv_tx_rings = tx_rings;
+		return 0;
+	}
+
+	__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
+				     cp_rings, vnics);
+	req.enables |= cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS |
+				   FUNC_VF_CFG_REQ_ENABLES_NUM_L2_CTXS);
+	req.num_rsscos_ctxs = cpu_to_le16(BNXT_VF_MAX_RSS_CTX);
+	req.num_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		return -ENOMEM;
+
+	rc = bnxt_hwrm_get_rings(bp);
+	return rc;
+}
+
+static int bnxt_hwrm_reserve_rings(struct bnxt *bp, int tx, int rx, int grp,
+				   int cp, int vnic)
+{
+	if (BNXT_PF(bp))
+		return bnxt_hwrm_reserve_pf_rings(bp, tx, rx, grp, cp, vnic);
+	else
+		return bnxt_hwrm_reserve_vf_rings(bp, tx, rx, grp, cp, vnic);
+}
+
+static int bnxt_cp_rings_in_use(struct bnxt *bp)
+{
+	int cp = bp->cp_nr_rings;
+	int ulp_msix, ulp_base;
+
+	ulp_msix = bnxt_get_ulp_msix_num(bp);
+	if (ulp_msix) {
+		ulp_base = bnxt_get_ulp_msix_base(bp);
+		cp += ulp_msix;
+		if ((ulp_base + ulp_msix) > cp)
+			cp = ulp_base + ulp_msix;
+	}
+	return cp;
+}
+
+static bool bnxt_need_reserve_rings(struct bnxt *bp)
+{
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	int cp = bnxt_cp_rings_in_use(bp);
+	int rx = bp->rx_nr_rings;
+	int vnic = 1, grp = rx;
+
+	if (bp->hwrm_spec_code < 0x10601)
+		return false;
+
+	if (hw_resc->resv_tx_rings != bp->tx_nr_rings)
+		return true;
+
+	if (bp->flags & BNXT_FLAG_RFS)
+		vnic = rx + 1;
+	if (bp->flags & BNXT_FLAG_AGG_RINGS)
+		rx <<= 1;
+	if (BNXT_NEW_RM(bp) &&
+	    (hw_resc->resv_rx_rings != rx || hw_resc->resv_cp_rings != cp ||
+	     hw_resc->resv_hw_ring_grps != grp || hw_resc->resv_vnics != vnic))
+		return true;
+	return false;
+}
+
+static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max,
+			   bool shared);
+
+static int __bnxt_reserve_rings(struct bnxt *bp)
+{
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	int cp = bnxt_cp_rings_in_use(bp);
+	int tx = bp->tx_nr_rings;
+	int rx = bp->rx_nr_rings;
+	int grp, rx_rings, rc;
+	bool sh = false;
+	int vnic = 1;
+
+	if (!bnxt_need_reserve_rings(bp))
+		return 0;
+
+	if (bp->flags & BNXT_FLAG_SHARED_RINGS)
+		sh = true;
+	if (bp->flags & BNXT_FLAG_RFS)
+		vnic = rx + 1;
+	if (bp->flags & BNXT_FLAG_AGG_RINGS)
+		rx <<= 1;
+	grp = bp->rx_nr_rings;
+
+	rc = bnxt_hwrm_reserve_rings(bp, tx, rx, grp, cp, vnic);
+	if (rc)
+		return rc;
+
+	tx = hw_resc->resv_tx_rings;
+	if (BNXT_NEW_RM(bp)) {
+		rx = hw_resc->resv_rx_rings;
+		cp = hw_resc->resv_cp_rings;
+		grp = hw_resc->resv_hw_ring_grps;
+		vnic = hw_resc->resv_vnics;
+	}
+
+	rx_rings = rx;
+	if (bp->flags & BNXT_FLAG_AGG_RINGS) {
+		if (rx >= 2) {
+			rx_rings = rx >> 1;
+		} else {
+			if (netif_running(bp->dev))
+				return -ENOMEM;
+
+			bp->flags &= ~BNXT_FLAG_AGG_RINGS;
+			bp->flags |= BNXT_FLAG_NO_AGG_RINGS;
+			bp->dev->hw_features &= ~NETIF_F_LRO;
+			bp->dev->features &= ~NETIF_F_LRO;
+			bnxt_set_ring_params(bp);
+		}
+	}
+	rx_rings = min_t(int, rx_rings, grp);
+	rc = bnxt_trim_rings(bp, &rx_rings, &tx, cp, sh);
+	if (bp->flags & BNXT_FLAG_AGG_RINGS)
+		rx = rx_rings << 1;
+	cp = sh ? max_t(int, tx, rx_rings) : tx + rx_rings;
+	bp->tx_nr_rings = tx;
+	bp->rx_nr_rings = rx_rings;
+	bp->cp_nr_rings = cp;
+
+	if (!tx || !rx || !cp || !grp || !vnic)
+		return -ENOMEM;
+
+	return rc;
+}
+
+static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
+				    int ring_grps, int cp_rings, int vnics)
+{
+	struct hwrm_func_vf_cfg_input req = {0};
+	u32 flags;
+	int rc;
+
+	if (!BNXT_NEW_RM(bp))
+		return 0;
+
+	__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
+				     cp_rings, vnics);
+	flags = FUNC_VF_CFG_REQ_FLAGS_TX_ASSETS_TEST |
+		FUNC_VF_CFG_REQ_FLAGS_RX_ASSETS_TEST |
+		FUNC_VF_CFG_REQ_FLAGS_CMPL_ASSETS_TEST |
+		FUNC_VF_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST |
+		FUNC_VF_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST |
+		FUNC_VF_CFG_REQ_FLAGS_VNIC_ASSETS_TEST;
+
+	req.flags = cpu_to_le32(flags);
+	rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		return -ENOMEM;
+	return 0;
+}
+
+static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
+				    int ring_grps, int cp_rings, int vnics)
+{
+	struct hwrm_func_cfg_input req = {0};
+	u32 flags;
+	int rc;
+
+	__bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
+				     cp_rings, vnics);
+	flags = FUNC_CFG_REQ_FLAGS_TX_ASSETS_TEST;
+	if (BNXT_NEW_RM(bp))
+		flags |= FUNC_CFG_REQ_FLAGS_RX_ASSETS_TEST |
+			 FUNC_CFG_REQ_FLAGS_CMPL_ASSETS_TEST |
+			 FUNC_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST |
+			 FUNC_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST |
+			 FUNC_CFG_REQ_FLAGS_VNIC_ASSETS_TEST;
+
+	req.flags = cpu_to_le32(flags);
+	rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		return -ENOMEM;
+	return 0;
+}
+
+static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings,
+				 int ring_grps, int cp_rings, int vnics)
+{
+	if (bp->hwrm_spec_code < 0x10801)
+		return 0;
+
+	if (BNXT_PF(bp))
+		return bnxt_hwrm_check_pf_rings(bp, tx_rings, rx_rings,
+						ring_grps, cp_rings, vnics);
+
+	return bnxt_hwrm_check_vf_rings(bp, tx_rings, rx_rings, ring_grps,
+					cp_rings, vnics);
+}
+
+static void bnxt_hwrm_set_coal_params(struct bnxt_coal *hw_coal,
+	struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req)
+{
+	u16 val, tmr, max, flags;
+
+	max = hw_coal->bufs_per_record * 128;
+	if (hw_coal->budget)
+		max = hw_coal->bufs_per_record * hw_coal->budget;
+
+	val = clamp_t(u16, hw_coal->coal_bufs, 1, max);
+	req->num_cmpl_aggr_int = cpu_to_le16(val);
+
+	/* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
+	val = min_t(u16, val, 63);
+	req->num_cmpl_dma_aggr = cpu_to_le16(val);
+
+	/* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
+	val = clamp_t(u16, hw_coal->coal_bufs_irq, 1, 63);
+	req->num_cmpl_dma_aggr_during_int = cpu_to_le16(val);
+
+	tmr = BNXT_USEC_TO_COAL_TIMER(hw_coal->coal_ticks);
+	tmr = max_t(u16, tmr, 1);
+	req->int_lat_tmr_max = cpu_to_le16(tmr);
+
+	/* min timer set to 1/2 of interrupt timer */
+	val = tmr / 2;
+	req->int_lat_tmr_min = cpu_to_le16(val);
+
+	/* buf timer set to 1/4 of interrupt timer */
+	val = max_t(u16, tmr / 4, 1);
+	req->cmpl_aggr_dma_tmr = cpu_to_le16(val);
+
+	tmr = BNXT_USEC_TO_COAL_TIMER(hw_coal->coal_ticks_irq);
+	tmr = max_t(u16, tmr, 1);
+	req->cmpl_aggr_dma_tmr_during_int = cpu_to_le16(tmr);
+
+	flags = RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
+	if (hw_coal->idle_thresh && hw_coal->coal_ticks < hw_coal->idle_thresh)
+		flags |= RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_RING_IDLE;
+	req->flags = cpu_to_le16(flags);
+}
+
+int bnxt_hwrm_set_ring_coal(struct bnxt *bp, struct bnxt_napi *bnapi)
+{
+	struct hwrm_ring_cmpl_ring_cfg_aggint_params_input req_rx = {0};
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	struct bnxt_coal coal;
+	unsigned int grp_idx;
+
+	/* Tick values in micro seconds.
+	 * 1 coal_buf x bufs_per_record = 1 completion record.
+	 */
+	memcpy(&coal, &bp->rx_coal, sizeof(struct bnxt_coal));
+
+	coal.coal_ticks = cpr->rx_ring_coal.coal_ticks;
+	coal.coal_bufs = cpr->rx_ring_coal.coal_bufs;
+
+	if (!bnapi->rx_ring)
+		return -ENODEV;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req_rx,
+			       HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1);
+
+	bnxt_hwrm_set_coal_params(&coal, &req_rx);
+
+	grp_idx = bnapi->index;
+	req_rx.ring_id = cpu_to_le16(bp->grp_info[grp_idx].cp_fw_ring_id);
+
+	return hwrm_send_message(bp, &req_rx, sizeof(req_rx),
+				 HWRM_CMD_TIMEOUT);
+}
+
+int bnxt_hwrm_set_coal(struct bnxt *bp)
+{
+	int i, rc = 0;
+	struct hwrm_ring_cmpl_ring_cfg_aggint_params_input req_rx = {0},
+							   req_tx = {0}, *req;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req_rx,
+			       HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1);
+	bnxt_hwrm_cmd_hdr_init(bp, &req_tx,
+			       HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1);
+
+	bnxt_hwrm_set_coal_params(&bp->rx_coal, &req_rx);
+	bnxt_hwrm_set_coal_params(&bp->tx_coal, &req_tx);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+
+		req = &req_rx;
+		if (!bnapi->rx_ring)
+			req = &req_tx;
+		req->ring_id = cpu_to_le16(bp->grp_info[i].cp_fw_ring_id);
+
+		rc = _hwrm_send_message(bp, req, sizeof(*req),
+					HWRM_CMD_TIMEOUT);
+		if (rc)
+			break;
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
+{
+	int rc = 0, i;
+	struct hwrm_stat_ctx_free_input req = {0};
+
+	if (!bp->bnapi)
+		return 0;
+
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp))
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_FREE, -1, -1);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+
+		if (cpr->hw_stats_ctx_id != INVALID_STATS_CTX_ID) {
+			req.stat_ctx_id = cpu_to_le32(cpr->hw_stats_ctx_id);
+
+			rc = _hwrm_send_message(bp, &req, sizeof(req),
+						HWRM_CMD_TIMEOUT);
+			if (rc)
+				break;
+
+			cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID;
+		}
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp)
+{
+	int rc = 0, i;
+	struct hwrm_stat_ctx_alloc_input req = {0};
+	struct hwrm_stat_ctx_alloc_output *resp = bp->hwrm_cmd_resp_addr;
+
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp))
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_ALLOC, -1, -1);
+
+	req.update_period_ms = cpu_to_le32(bp->stats_coal_ticks / 1000);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+
+		req.stats_dma_addr = cpu_to_le64(cpr->hw_stats_map);
+
+		rc = _hwrm_send_message(bp, &req, sizeof(req),
+					HWRM_CMD_TIMEOUT);
+		if (rc)
+			break;
+
+		cpr->hw_stats_ctx_id = le32_to_cpu(resp->stat_ctx_id);
+
+		bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id;
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_func_qcfg(struct bnxt *bp)
+{
+	struct hwrm_func_qcfg_input req = {0};
+	struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
+	u16 flags;
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1);
+	req.fid = cpu_to_le16(0xffff);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		goto func_qcfg_exit;
+
+#ifdef CONFIG_BNXT_SRIOV
+	if (BNXT_VF(bp)) {
+		struct bnxt_vf_info *vf = &bp->vf;
+
+		vf->vlan = le16_to_cpu(resp->vlan) & VLAN_VID_MASK;
+	}
+#endif
+	flags = le16_to_cpu(resp->flags);
+	if (flags & (FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED |
+		     FUNC_QCFG_RESP_FLAGS_FW_LLDP_AGENT_ENABLED)) {
+		bp->fw_cap |= BNXT_FW_CAP_LLDP_AGENT;
+		if (flags & FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED)
+			bp->fw_cap |= BNXT_FW_CAP_DCBX_AGENT;
+	}
+	if (BNXT_PF(bp) && (flags & FUNC_QCFG_RESP_FLAGS_MULTI_HOST))
+		bp->flags |= BNXT_FLAG_MULTI_HOST;
+
+	switch (resp->port_partition_type) {
+	case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0:
+	case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_5:
+	case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR2_0:
+		bp->port_partition_type = resp->port_partition_type;
+		break;
+	}
+	if (bp->hwrm_spec_code < 0x10707 ||
+	    resp->evb_mode == FUNC_QCFG_RESP_EVB_MODE_VEB)
+		bp->br_mode = BRIDGE_MODE_VEB;
+	else if (resp->evb_mode == FUNC_QCFG_RESP_EVB_MODE_VEPA)
+		bp->br_mode = BRIDGE_MODE_VEPA;
+	else
+		bp->br_mode = BRIDGE_MODE_UNDEF;
+
+	bp->max_mtu = le16_to_cpu(resp->max_mtu_configured);
+	if (!bp->max_mtu)
+		bp->max_mtu = BNXT_MAX_MTU;
+
+func_qcfg_exit:
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp, bool all)
+{
+	struct hwrm_func_resource_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
+	struct hwrm_func_resource_qcaps_input req = {0};
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_RESOURCE_QCAPS, -1, -1);
+	req.fid = cpu_to_le16(0xffff);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc) {
+		rc = -EIO;
+		goto hwrm_func_resc_qcaps_exit;
+	}
+
+	hw_resc->max_tx_sch_inputs = le16_to_cpu(resp->max_tx_scheduler_inputs);
+	if (!all)
+		goto hwrm_func_resc_qcaps_exit;
+
+	hw_resc->min_rsscos_ctxs = le16_to_cpu(resp->min_rsscos_ctx);
+	hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx);
+	hw_resc->min_cp_rings = le16_to_cpu(resp->min_cmpl_rings);
+	hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings);
+	hw_resc->min_tx_rings = le16_to_cpu(resp->min_tx_rings);
+	hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings);
+	hw_resc->min_rx_rings = le16_to_cpu(resp->min_rx_rings);
+	hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings);
+	hw_resc->min_hw_ring_grps = le16_to_cpu(resp->min_hw_ring_grps);
+	hw_resc->max_hw_ring_grps = le16_to_cpu(resp->max_hw_ring_grps);
+	hw_resc->min_l2_ctxs = le16_to_cpu(resp->min_l2_ctxs);
+	hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs);
+	hw_resc->min_vnics = le16_to_cpu(resp->min_vnics);
+	hw_resc->max_vnics = le16_to_cpu(resp->max_vnics);
+	hw_resc->min_stat_ctxs = le16_to_cpu(resp->min_stat_ctx);
+	hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx);
+
+	if (BNXT_PF(bp)) {
+		struct bnxt_pf_info *pf = &bp->pf;
+
+		pf->vf_resv_strategy =
+			le16_to_cpu(resp->vf_reservation_strategy);
+		if (pf->vf_resv_strategy > BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC)
+			pf->vf_resv_strategy = BNXT_VF_RESV_STRATEGY_MAXIMAL;
+	}
+hwrm_func_resc_qcaps_exit:
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
+{
+	int rc = 0;
+	struct hwrm_func_qcaps_input req = {0};
+	struct hwrm_func_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	u32 flags;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCAPS, -1, -1);
+	req.fid = cpu_to_le16(0xffff);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		goto hwrm_func_qcaps_exit;
+
+	flags = le32_to_cpu(resp->flags);
+	if (flags & FUNC_QCAPS_RESP_FLAGS_ROCE_V1_SUPPORTED)
+		bp->flags |= BNXT_FLAG_ROCEV1_CAP;
+	if (flags & FUNC_QCAPS_RESP_FLAGS_ROCE_V2_SUPPORTED)
+		bp->flags |= BNXT_FLAG_ROCEV2_CAP;
+
+	bp->tx_push_thresh = 0;
+	if (flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED)
+		bp->tx_push_thresh = BNXT_TX_PUSH_THRESH;
+
+	hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx);
+	hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings);
+	hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings);
+	hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings);
+	hw_resc->max_hw_ring_grps = le32_to_cpu(resp->max_hw_ring_grps);
+	if (!hw_resc->max_hw_ring_grps)
+		hw_resc->max_hw_ring_grps = hw_resc->max_tx_rings;
+	hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs);
+	hw_resc->max_vnics = le16_to_cpu(resp->max_vnics);
+	hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx);
+
+	if (BNXT_PF(bp)) {
+		struct bnxt_pf_info *pf = &bp->pf;
+
+		pf->fw_fid = le16_to_cpu(resp->fid);
+		pf->port_id = le16_to_cpu(resp->port_id);
+		memcpy(pf->mac_addr, resp->mac_address, ETH_ALEN);
+		pf->first_vf_id = le16_to_cpu(resp->first_vf_id);
+		pf->max_vfs = le16_to_cpu(resp->max_vfs);
+		pf->max_encap_records = le32_to_cpu(resp->max_encap_records);
+		pf->max_decap_records = le32_to_cpu(resp->max_decap_records);
+		pf->max_tx_em_flows = le32_to_cpu(resp->max_tx_em_flows);
+		pf->max_tx_wm_flows = le32_to_cpu(resp->max_tx_wm_flows);
+		pf->max_rx_em_flows = le32_to_cpu(resp->max_rx_em_flows);
+		pf->max_rx_wm_flows = le32_to_cpu(resp->max_rx_wm_flows);
+		if (flags & FUNC_QCAPS_RESP_FLAGS_WOL_MAGICPKT_SUPPORTED)
+			bp->flags |= BNXT_FLAG_WOL_CAP;
+	} else {
+#ifdef CONFIG_BNXT_SRIOV
+		struct bnxt_vf_info *vf = &bp->vf;
+
+		vf->fw_fid = le16_to_cpu(resp->fid);
+		memcpy(vf->mac_addr, resp->mac_address, ETH_ALEN);
+#endif
+	}
+
+hwrm_func_qcaps_exit:
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_func_qcaps(struct bnxt *bp)
+{
+	int rc;
+
+	rc = __bnxt_hwrm_func_qcaps(bp);
+	if (rc)
+		return rc;
+	if (bp->hwrm_spec_code >= 0x10803) {
+		rc = bnxt_hwrm_func_resc_qcaps(bp, true);
+		if (!rc)
+			bp->fw_cap |= BNXT_FW_CAP_NEW_RM;
+	}
+	return 0;
+}
+
+static int bnxt_hwrm_func_reset(struct bnxt *bp)
+{
+	struct hwrm_func_reset_input req = {0};
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_RESET, -1, -1);
+	req.enables = 0;
+
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_RESET_TIMEOUT);
+}
+
+static int bnxt_hwrm_queue_qportcfg(struct bnxt *bp)
+{
+	int rc = 0;
+	struct hwrm_queue_qportcfg_input req = {0};
+	struct hwrm_queue_qportcfg_output *resp = bp->hwrm_cmd_resp_addr;
+	u8 i, j, *qptr;
+	bool no_rdma;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_QPORTCFG, -1, -1);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		goto qportcfg_exit;
+
+	if (!resp->max_configurable_queues) {
+		rc = -EINVAL;
+		goto qportcfg_exit;
+	}
+	bp->max_tc = resp->max_configurable_queues;
+	bp->max_lltc = resp->max_configurable_lossless_queues;
+	if (bp->max_tc > BNXT_MAX_QUEUE)
+		bp->max_tc = BNXT_MAX_QUEUE;
+
+	no_rdma = !(bp->flags & BNXT_FLAG_ROCE_CAP);
+	qptr = &resp->queue_id0;
+	for (i = 0, j = 0; i < bp->max_tc; i++) {
+		bp->q_info[j].queue_id = *qptr++;
+		bp->q_info[j].queue_profile = *qptr++;
+		bp->tc_to_qidx[j] = j;
+		if (!BNXT_CNPQ(bp->q_info[j].queue_profile) ||
+		    (no_rdma && BNXT_PF(bp)))
+			j++;
+	}
+	bp->max_tc = max_t(u8, j, 1);
+
+	if (resp->queue_cfg_info & QUEUE_QPORTCFG_RESP_QUEUE_CFG_INFO_ASYM_CFG)
+		bp->max_tc = 1;
+
+	if (bp->max_lltc > bp->max_tc)
+		bp->max_lltc = bp->max_tc;
+
+qportcfg_exit:
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_hwrm_ver_get(struct bnxt *bp)
+{
+	int rc;
+	struct hwrm_ver_get_input req = {0};
+	struct hwrm_ver_get_output *resp = bp->hwrm_cmd_resp_addr;
+	u32 dev_caps_cfg;
+
+	bp->hwrm_max_req_len = HWRM_MAX_REQ_LEN;
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VER_GET, -1, -1);
+	req.hwrm_intf_maj = HWRM_VERSION_MAJOR;
+	req.hwrm_intf_min = HWRM_VERSION_MINOR;
+	req.hwrm_intf_upd = HWRM_VERSION_UPDATE;
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		goto hwrm_ver_get_exit;
+
+	memcpy(&bp->ver_resp, resp, sizeof(struct hwrm_ver_get_output));
+
+	bp->hwrm_spec_code = resp->hwrm_intf_maj_8b << 16 |
+			     resp->hwrm_intf_min_8b << 8 |
+			     resp->hwrm_intf_upd_8b;
+	if (resp->hwrm_intf_maj_8b < 1) {
+		netdev_warn(bp->dev, "HWRM interface %d.%d.%d is older than 1.0.0.\n",
+			    resp->hwrm_intf_maj_8b, resp->hwrm_intf_min_8b,
+			    resp->hwrm_intf_upd_8b);
+		netdev_warn(bp->dev, "Please update firmware with HWRM interface 1.0.0 or newer.\n");
+	}
+	snprintf(bp->fw_ver_str, BC_HWRM_STR_LEN, "%d.%d.%d.%d",
+		 resp->hwrm_fw_maj_8b, resp->hwrm_fw_min_8b,
+		 resp->hwrm_fw_bld_8b, resp->hwrm_fw_rsvd_8b);
+
+	bp->hwrm_cmd_timeout = le16_to_cpu(resp->def_req_timeout);
+	if (!bp->hwrm_cmd_timeout)
+		bp->hwrm_cmd_timeout = DFLT_HWRM_CMD_TIMEOUT;
+
+	if (resp->hwrm_intf_maj_8b >= 1)
+		bp->hwrm_max_req_len = le16_to_cpu(resp->max_req_win_len);
+
+	bp->chip_num = le16_to_cpu(resp->chip_num);
+	if (bp->chip_num == CHIP_NUM_58700 && !resp->chip_rev &&
+	    !resp->chip_metal)
+		bp->flags |= BNXT_FLAG_CHIP_NITRO_A0;
+
+	dev_caps_cfg = le32_to_cpu(resp->dev_caps_cfg);
+	if ((dev_caps_cfg & VER_GET_RESP_DEV_CAPS_CFG_SHORT_CMD_SUPPORTED) &&
+	    (dev_caps_cfg & VER_GET_RESP_DEV_CAPS_CFG_SHORT_CMD_REQUIRED))
+		bp->fw_cap |= BNXT_FW_CAP_SHORT_CMD;
+
+hwrm_ver_get_exit:
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+int bnxt_hwrm_fw_set_time(struct bnxt *bp)
+{
+	struct hwrm_fw_set_time_input req = {0};
+	struct tm tm;
+	time64_t now = ktime_get_real_seconds();
+
+	if ((BNXT_VF(bp) && bp->hwrm_spec_code < 0x10901) ||
+	    bp->hwrm_spec_code < 0x10400)
+		return -EOPNOTSUPP;
+
+	time64_to_tm(now, 0, &tm);
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_SET_TIME, -1, -1);
+	req.year = cpu_to_le16(1900 + tm.tm_year);
+	req.month = 1 + tm.tm_mon;
+	req.day = tm.tm_mday;
+	req.hour = tm.tm_hour;
+	req.minute = tm.tm_min;
+	req.second = tm.tm_sec;
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_port_qstats(struct bnxt *bp)
+{
+	int rc;
+	struct bnxt_pf_info *pf = &bp->pf;
+	struct hwrm_port_qstats_input req = {0};
+
+	if (!(bp->flags & BNXT_FLAG_PORT_STATS))
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_QSTATS, -1, -1);
+	req.port_id = cpu_to_le16(pf->port_id);
+	req.tx_stat_host_addr = cpu_to_le64(bp->hw_tx_port_stats_map);
+	req.rx_stat_host_addr = cpu_to_le64(bp->hw_rx_port_stats_map);
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	return rc;
+}
+
+static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp)
+{
+	struct hwrm_port_qstats_ext_input req = {0};
+	struct bnxt_pf_info *pf = &bp->pf;
+
+	if (!(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_QSTATS_EXT, -1, -1);
+	req.port_id = cpu_to_le16(pf->port_id);
+	req.rx_stat_size = cpu_to_le16(sizeof(struct rx_port_stats_ext));
+	req.rx_stat_host_addr = cpu_to_le64(bp->hw_rx_port_stats_ext_map);
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static void bnxt_hwrm_free_tunnel_ports(struct bnxt *bp)
+{
+	if (bp->vxlan_port_cnt) {
+		bnxt_hwrm_tunnel_dst_port_free(
+			bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
+	}
+	bp->vxlan_port_cnt = 0;
+	if (bp->nge_port_cnt) {
+		bnxt_hwrm_tunnel_dst_port_free(
+			bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
+	}
+	bp->nge_port_cnt = 0;
+}
+
+static int bnxt_set_tpa(struct bnxt *bp, bool set_tpa)
+{
+	int rc, i;
+	u32 tpa_flags = 0;
+
+	if (set_tpa)
+		tpa_flags = bp->flags & BNXT_FLAG_TPA;
+	for (i = 0; i < bp->nr_vnics; i++) {
+		rc = bnxt_hwrm_vnic_set_tpa(bp, i, tpa_flags);
+		if (rc) {
+			netdev_err(bp->dev, "hwrm vnic set tpa failure rc for vnic %d: %x\n",
+				   i, rc);
+			return rc;
+		}
+	}
+	return 0;
+}
+
+static void bnxt_hwrm_clear_vnic_rss(struct bnxt *bp)
+{
+	int i;
+
+	for (i = 0; i < bp->nr_vnics; i++)
+		bnxt_hwrm_vnic_set_rss(bp, i, false);
+}
+
+static void bnxt_hwrm_resource_free(struct bnxt *bp, bool close_path,
+				    bool irq_re_init)
+{
+	if (bp->vnic_info) {
+		bnxt_hwrm_clear_vnic_filter(bp);
+		/* clear all RSS setting before free vnic ctx */
+		bnxt_hwrm_clear_vnic_rss(bp);
+		bnxt_hwrm_vnic_ctx_free(bp);
+		/* before free the vnic, undo the vnic tpa settings */
+		if (bp->flags & BNXT_FLAG_TPA)
+			bnxt_set_tpa(bp, false);
+		bnxt_hwrm_vnic_free(bp);
+	}
+	bnxt_hwrm_ring_free(bp, close_path);
+	bnxt_hwrm_ring_grp_free(bp);
+	if (irq_re_init) {
+		bnxt_hwrm_stat_ctx_free(bp);
+		bnxt_hwrm_free_tunnel_ports(bp);
+	}
+}
+
+static int bnxt_hwrm_set_br_mode(struct bnxt *bp, u16 br_mode)
+{
+	struct hwrm_func_cfg_input req = {0};
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
+	req.fid = cpu_to_le16(0xffff);
+	req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_EVB_MODE);
+	if (br_mode == BRIDGE_MODE_VEB)
+		req.evb_mode = FUNC_CFG_REQ_EVB_MODE_VEB;
+	else if (br_mode == BRIDGE_MODE_VEPA)
+		req.evb_mode = FUNC_CFG_REQ_EVB_MODE_VEPA;
+	else
+		return -EINVAL;
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		rc = -EIO;
+	return rc;
+}
+
+static int bnxt_hwrm_set_cache_line_size(struct bnxt *bp, int size)
+{
+	struct hwrm_func_cfg_input req = {0};
+	int rc;
+
+	if (BNXT_VF(bp) || bp->hwrm_spec_code < 0x10803)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
+	req.fid = cpu_to_le16(0xffff);
+	req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_CACHE_LINESIZE);
+	req.options = FUNC_CFG_REQ_OPTIONS_CACHE_LINESIZE_SIZE_64;
+	if (size == 128)
+		req.options = FUNC_CFG_REQ_OPTIONS_CACHE_LINESIZE_SIZE_128;
+
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		rc = -EIO;
+	return rc;
+}
+
+static int bnxt_setup_vnic(struct bnxt *bp, u16 vnic_id)
+{
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
+	int rc;
+
+	if (vnic->flags & BNXT_VNIC_RFS_NEW_RSS_FLAG)
+		goto skip_rss_ctx;
+
+	/* allocate context for vnic */
+	rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic_id, 0);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm vnic %d alloc failure rc: %x\n",
+			   vnic_id, rc);
+		goto vnic_setup_err;
+	}
+	bp->rsscos_nr_ctxs++;
+
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp)) {
+		rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic_id, 1);
+		if (rc) {
+			netdev_err(bp->dev, "hwrm vnic %d cos ctx alloc failure rc: %x\n",
+				   vnic_id, rc);
+			goto vnic_setup_err;
+		}
+		bp->rsscos_nr_ctxs++;
+	}
+
+skip_rss_ctx:
+	/* configure default vnic, ring grp */
+	rc = bnxt_hwrm_vnic_cfg(bp, vnic_id);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm vnic %d cfg failure rc: %x\n",
+			   vnic_id, rc);
+		goto vnic_setup_err;
+	}
+
+	/* Enable RSS hashing on vnic */
+	rc = bnxt_hwrm_vnic_set_rss(bp, vnic_id, true);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm vnic %d set rss failure rc: %x\n",
+			   vnic_id, rc);
+		goto vnic_setup_err;
+	}
+
+	if (bp->flags & BNXT_FLAG_AGG_RINGS) {
+		rc = bnxt_hwrm_vnic_set_hds(bp, vnic_id);
+		if (rc) {
+			netdev_err(bp->dev, "hwrm vnic %d set hds failure rc: %x\n",
+				   vnic_id, rc);
+		}
+	}
+
+vnic_setup_err:
+	return rc;
+}
+
+static int bnxt_alloc_rfs_vnics(struct bnxt *bp)
+{
+#ifdef CONFIG_RFS_ACCEL
+	int i, rc = 0;
+
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct bnxt_vnic_info *vnic;
+		u16 vnic_id = i + 1;
+		u16 ring_id = i;
+
+		if (vnic_id >= bp->nr_vnics)
+			break;
+
+		vnic = &bp->vnic_info[vnic_id];
+		vnic->flags |= BNXT_VNIC_RFS_FLAG;
+		if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
+			vnic->flags |= BNXT_VNIC_RFS_NEW_RSS_FLAG;
+		rc = bnxt_hwrm_vnic_alloc(bp, vnic_id, ring_id, 1);
+		if (rc) {
+			netdev_err(bp->dev, "hwrm vnic %d alloc failure rc: %x\n",
+				   vnic_id, rc);
+			break;
+		}
+		rc = bnxt_setup_vnic(bp, vnic_id);
+		if (rc)
+			break;
+	}
+	return rc;
+#else
+	return 0;
+#endif
+}
+
+/* Allow PF and VF with default VLAN to be in promiscuous mode */
+static bool bnxt_promisc_ok(struct bnxt *bp)
+{
+#ifdef CONFIG_BNXT_SRIOV
+	if (BNXT_VF(bp) && !bp->vf.vlan)
+		return false;
+#endif
+	return true;
+}
+
+static int bnxt_setup_nitroa0_vnic(struct bnxt *bp)
+{
+	unsigned int rc = 0;
+
+	rc = bnxt_hwrm_vnic_alloc(bp, 1, bp->rx_nr_rings - 1, 1);
+	if (rc) {
+		netdev_err(bp->dev, "Cannot allocate special vnic for NS2 A0: %x\n",
+			   rc);
+		return rc;
+	}
+
+	rc = bnxt_hwrm_vnic_cfg(bp, 1);
+	if (rc) {
+		netdev_err(bp->dev, "Cannot allocate special vnic for NS2 A0: %x\n",
+			   rc);
+		return rc;
+	}
+	return rc;
+}
+
+static int bnxt_cfg_rx_mode(struct bnxt *);
+static bool bnxt_mc_list_updated(struct bnxt *, u32 *);
+
+static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init)
+{
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+	int rc = 0;
+	unsigned int rx_nr_rings = bp->rx_nr_rings;
+
+	if (irq_re_init) {
+		rc = bnxt_hwrm_stat_ctx_alloc(bp);
+		if (rc) {
+			netdev_err(bp->dev, "hwrm stat ctx alloc failure rc: %x\n",
+				   rc);
+			goto err_out;
+		}
+	}
+
+	rc = bnxt_hwrm_ring_alloc(bp);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm ring alloc failure rc: %x\n", rc);
+		goto err_out;
+	}
+
+	rc = bnxt_hwrm_ring_grp_alloc(bp);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm_ring_grp alloc failure: %x\n", rc);
+		goto err_out;
+	}
+
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp))
+		rx_nr_rings--;
+
+	/* default vnic 0 */
+	rc = bnxt_hwrm_vnic_alloc(bp, 0, 0, rx_nr_rings);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm vnic alloc failure rc: %x\n", rc);
+		goto err_out;
+	}
+
+	rc = bnxt_setup_vnic(bp, 0);
+	if (rc)
+		goto err_out;
+
+	if (bp->flags & BNXT_FLAG_RFS) {
+		rc = bnxt_alloc_rfs_vnics(bp);
+		if (rc)
+			goto err_out;
+	}
+
+	if (bp->flags & BNXT_FLAG_TPA) {
+		rc = bnxt_set_tpa(bp, true);
+		if (rc)
+			goto err_out;
+	}
+
+	if (BNXT_VF(bp))
+		bnxt_update_vf_mac(bp);
+
+	/* Filter for default vnic 0 */
+	rc = bnxt_hwrm_set_vnic_filter(bp, 0, 0, bp->dev->dev_addr);
+	if (rc) {
+		netdev_err(bp->dev, "HWRM vnic filter failure rc: %x\n", rc);
+		goto err_out;
+	}
+	vnic->uc_filter_count = 1;
+
+	vnic->rx_mask = 0;
+	if (bp->dev->flags & IFF_BROADCAST)
+		vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
+
+	if ((bp->dev->flags & IFF_PROMISC) && bnxt_promisc_ok(bp))
+		vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
+
+	if (bp->dev->flags & IFF_ALLMULTI) {
+		vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
+		vnic->mc_list_count = 0;
+	} else {
+		u32 mask = 0;
+
+		bnxt_mc_list_updated(bp, &mask);
+		vnic->rx_mask |= mask;
+	}
+
+	rc = bnxt_cfg_rx_mode(bp);
+	if (rc)
+		goto err_out;
+
+	rc = bnxt_hwrm_set_coal(bp);
+	if (rc)
+		netdev_warn(bp->dev, "HWRM set coalescing failure rc: %x\n",
+				rc);
+
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp)) {
+		rc = bnxt_setup_nitroa0_vnic(bp);
+		if (rc)
+			netdev_err(bp->dev, "Special vnic setup failure for NS2 A0 rc: %x\n",
+				   rc);
+	}
+
+	if (BNXT_VF(bp)) {
+		bnxt_hwrm_func_qcfg(bp);
+		netdev_update_features(bp->dev);
+	}
+
+	return 0;
+
+err_out:
+	bnxt_hwrm_resource_free(bp, 0, true);
+
+	return rc;
+}
+
+static int bnxt_shutdown_nic(struct bnxt *bp, bool irq_re_init)
+{
+	bnxt_hwrm_resource_free(bp, 1, irq_re_init);
+	return 0;
+}
+
+static int bnxt_init_nic(struct bnxt *bp, bool irq_re_init)
+{
+	bnxt_init_cp_rings(bp);
+	bnxt_init_rx_rings(bp);
+	bnxt_init_tx_rings(bp);
+	bnxt_init_ring_grps(bp, irq_re_init);
+	bnxt_init_vnics(bp);
+
+	return bnxt_init_chip(bp, irq_re_init);
+}
+
+static int bnxt_set_real_num_queues(struct bnxt *bp)
+{
+	int rc;
+	struct net_device *dev = bp->dev;
+
+	rc = netif_set_real_num_tx_queues(dev, bp->tx_nr_rings -
+					  bp->tx_nr_rings_xdp);
+	if (rc)
+		return rc;
+
+	rc = netif_set_real_num_rx_queues(dev, bp->rx_nr_rings);
+	if (rc)
+		return rc;
+
+#ifdef CONFIG_RFS_ACCEL
+	if (bp->flags & BNXT_FLAG_RFS)
+		dev->rx_cpu_rmap = alloc_irq_cpu_rmap(bp->rx_nr_rings);
+#endif
+
+	return rc;
+}
+
+static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max,
+			   bool shared)
+{
+	int _rx = *rx, _tx = *tx;
+
+	if (shared) {
+		*rx = min_t(int, _rx, max);
+		*tx = min_t(int, _tx, max);
+	} else {
+		if (max < 2)
+			return -ENOMEM;
+
+		while (_rx + _tx > max) {
+			if (_rx > _tx && _rx > 1)
+				_rx--;
+			else if (_tx > 1)
+				_tx--;
+		}
+		*rx = _rx;
+		*tx = _tx;
+	}
+	return 0;
+}
+
+static void bnxt_setup_msix(struct bnxt *bp)
+{
+	const int len = sizeof(bp->irq_tbl[0].name);
+	struct net_device *dev = bp->dev;
+	int tcs, i;
+
+	tcs = netdev_get_num_tc(dev);
+	if (tcs) {
+		int i, off, count;
+
+		for (i = 0; i < tcs; i++) {
+			count = bp->tx_nr_rings_per_tc;
+			off = i * count;
+			netdev_set_tc_queue(dev, i, count, off);
+		}
+	}
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		int map_idx = bnxt_cp_num_to_irq_num(bp, i);
+		char *attr;
+
+		if (bp->flags & BNXT_FLAG_SHARED_RINGS)
+			attr = "TxRx";
+		else if (i < bp->rx_nr_rings)
+			attr = "rx";
+		else
+			attr = "tx";
+
+		snprintf(bp->irq_tbl[map_idx].name, len, "%s-%s-%d", dev->name,
+			 attr, i);
+		bp->irq_tbl[map_idx].handler = bnxt_msix;
+	}
+}
+
+static void bnxt_setup_inta(struct bnxt *bp)
+{
+	const int len = sizeof(bp->irq_tbl[0].name);
+
+	if (netdev_get_num_tc(bp->dev))
+		netdev_reset_tc(bp->dev);
+
+	snprintf(bp->irq_tbl[0].name, len, "%s-%s-%d", bp->dev->name, "TxRx",
+		 0);
+	bp->irq_tbl[0].handler = bnxt_inta;
+}
+
+static int bnxt_setup_int_mode(struct bnxt *bp)
+{
+	int rc;
+
+	if (bp->flags & BNXT_FLAG_USING_MSIX)
+		bnxt_setup_msix(bp);
+	else
+		bnxt_setup_inta(bp);
+
+	rc = bnxt_set_real_num_queues(bp);
+	return rc;
+}
+
+#ifdef CONFIG_RFS_ACCEL
+static unsigned int bnxt_get_max_func_rss_ctxs(struct bnxt *bp)
+{
+	return bp->hw_resc.max_rsscos_ctxs;
+}
+
+static unsigned int bnxt_get_max_func_vnics(struct bnxt *bp)
+{
+	return bp->hw_resc.max_vnics;
+}
+#endif
+
+unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp)
+{
+	return bp->hw_resc.max_stat_ctxs;
+}
+
+void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max)
+{
+	bp->hw_resc.max_stat_ctxs = max;
+}
+
+unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp)
+{
+	return bp->hw_resc.max_cp_rings;
+}
+
+unsigned int bnxt_get_max_func_cp_rings_for_en(struct bnxt *bp)
+{
+	return bp->hw_resc.max_cp_rings - bnxt_get_ulp_msix_num(bp);
+}
+
+static unsigned int bnxt_get_max_func_irqs(struct bnxt *bp)
+{
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+
+	return min_t(unsigned int, hw_resc->max_irqs, hw_resc->max_cp_rings);
+}
+
+static void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs)
+{
+	bp->hw_resc.max_irqs = max_irqs;
+}
+
+int bnxt_get_avail_msix(struct bnxt *bp, int num)
+{
+	int max_cp = bnxt_get_max_func_cp_rings(bp);
+	int max_irq = bnxt_get_max_func_irqs(bp);
+	int total_req = bp->cp_nr_rings + num;
+	int max_idx, avail_msix;
+
+	max_idx = min_t(int, bp->total_irqs, max_cp);
+	avail_msix = max_idx - bp->cp_nr_rings;
+	if (!BNXT_NEW_RM(bp) || avail_msix >= num)
+		return avail_msix;
+
+	if (max_irq < total_req) {
+		num = max_irq - bp->cp_nr_rings;
+		if (num <= 0)
+			return 0;
+	}
+	return num;
+}
+
+static int bnxt_get_num_msix(struct bnxt *bp)
+{
+	if (!BNXT_NEW_RM(bp))
+		return bnxt_get_max_func_irqs(bp);
+
+	return bnxt_cp_rings_in_use(bp);
+}
+
+static int bnxt_init_msix(struct bnxt *bp)
+{
+	int i, total_vecs, max, rc = 0, min = 1, ulp_msix;
+	struct msix_entry *msix_ent;
+
+	total_vecs = bnxt_get_num_msix(bp);
+	max = bnxt_get_max_func_irqs(bp);
+	if (total_vecs > max)
+		total_vecs = max;
+
+	if (!total_vecs)
+		return 0;
+
+	msix_ent = kcalloc(total_vecs, sizeof(struct msix_entry), GFP_KERNEL);
+	if (!msix_ent)
+		return -ENOMEM;
+
+	for (i = 0; i < total_vecs; i++) {
+		msix_ent[i].entry = i;
+		msix_ent[i].vector = 0;
+	}
+
+	if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
+		min = 2;
+
+	total_vecs = pci_enable_msix_range(bp->pdev, msix_ent, min, total_vecs);
+	ulp_msix = bnxt_get_ulp_msix_num(bp);
+	if (total_vecs < 0 || total_vecs < ulp_msix) {
+		rc = -ENODEV;
+		goto msix_setup_exit;
+	}
+
+	bp->irq_tbl = kcalloc(total_vecs, sizeof(struct bnxt_irq), GFP_KERNEL);
+	if (bp->irq_tbl) {
+		for (i = 0; i < total_vecs; i++)
+			bp->irq_tbl[i].vector = msix_ent[i].vector;
+
+		bp->total_irqs = total_vecs;
+		/* Trim rings based upon num of vectors allocated */
+		rc = bnxt_trim_rings(bp, &bp->rx_nr_rings, &bp->tx_nr_rings,
+				     total_vecs - ulp_msix, min == 1);
+		if (rc)
+			goto msix_setup_exit;
+
+		bp->cp_nr_rings = (min == 1) ?
+				  max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
+				  bp->tx_nr_rings + bp->rx_nr_rings;
+
+	} else {
+		rc = -ENOMEM;
+		goto msix_setup_exit;
+	}
+	bp->flags |= BNXT_FLAG_USING_MSIX;
+	kfree(msix_ent);
+	return 0;
+
+msix_setup_exit:
+	netdev_err(bp->dev, "bnxt_init_msix err: %x\n", rc);
+	kfree(bp->irq_tbl);
+	bp->irq_tbl = NULL;
+	pci_disable_msix(bp->pdev);
+	kfree(msix_ent);
+	return rc;
+}
+
+static int bnxt_init_inta(struct bnxt *bp)
+{
+	bp->irq_tbl = kcalloc(1, sizeof(struct bnxt_irq), GFP_KERNEL);
+	if (!bp->irq_tbl)
+		return -ENOMEM;
+
+	bp->total_irqs = 1;
+	bp->rx_nr_rings = 1;
+	bp->tx_nr_rings = 1;
+	bp->cp_nr_rings = 1;
+	bp->flags |= BNXT_FLAG_SHARED_RINGS;
+	bp->irq_tbl[0].vector = bp->pdev->irq;
+	return 0;
+}
+
+static int bnxt_init_int_mode(struct bnxt *bp)
+{
+	int rc = 0;
+
+	if (bp->flags & BNXT_FLAG_MSIX_CAP)
+		rc = bnxt_init_msix(bp);
+
+	if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) {
+		/* fallback to INTA */
+		rc = bnxt_init_inta(bp);
+	}
+	return rc;
+}
+
+static void bnxt_clear_int_mode(struct bnxt *bp)
+{
+	if (bp->flags & BNXT_FLAG_USING_MSIX)
+		pci_disable_msix(bp->pdev);
+
+	kfree(bp->irq_tbl);
+	bp->irq_tbl = NULL;
+	bp->flags &= ~BNXT_FLAG_USING_MSIX;
+}
+
+int bnxt_reserve_rings(struct bnxt *bp)
+{
+	int tcs = netdev_get_num_tc(bp->dev);
+	bool reinit_irq = false;
+	int rc;
+
+	if (!bnxt_need_reserve_rings(bp))
+		return 0;
+
+	if (BNXT_NEW_RM(bp) && (bnxt_get_num_msix(bp) != bp->total_irqs)) {
+		bnxt_ulp_irq_stop(bp);
+		bnxt_clear_int_mode(bp);
+		reinit_irq = true;
+	}
+	rc = __bnxt_reserve_rings(bp);
+	if (reinit_irq) {
+		if (!rc)
+			rc = bnxt_init_int_mode(bp);
+		bnxt_ulp_irq_restart(bp, rc);
+	}
+	if (rc) {
+		netdev_err(bp->dev, "ring reservation/IRQ init failure rc: %d\n", rc);
+		return rc;
+	}
+	if (tcs && (bp->tx_nr_rings_per_tc * tcs != bp->tx_nr_rings)) {
+		netdev_err(bp->dev, "tx ring reservation failure\n");
+		netdev_reset_tc(bp->dev);
+		bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
+		return -ENOMEM;
+	}
+	bp->num_stat_ctxs = bp->cp_nr_rings;
+	return 0;
+}
+
+static void bnxt_free_irq(struct bnxt *bp)
+{
+	struct bnxt_irq *irq;
+	int i;
+
+#ifdef CONFIG_RFS_ACCEL
+	free_irq_cpu_rmap(bp->dev->rx_cpu_rmap);
+	bp->dev->rx_cpu_rmap = NULL;
+#endif
+	if (!bp->irq_tbl || !bp->bnapi)
+		return;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		int map_idx = bnxt_cp_num_to_irq_num(bp, i);
+
+		irq = &bp->irq_tbl[map_idx];
+		if (irq->requested) {
+			if (irq->have_cpumask) {
+				irq_set_affinity_hint(irq->vector, NULL);
+				free_cpumask_var(irq->cpu_mask);
+				irq->have_cpumask = 0;
+			}
+			free_irq(irq->vector, bp->bnapi[i]);
+		}
+
+		irq->requested = 0;
+	}
+}
+
+static int bnxt_request_irq(struct bnxt *bp)
+{
+	int i, j, rc = 0;
+	unsigned long flags = 0;
+#ifdef CONFIG_RFS_ACCEL
+	struct cpu_rmap *rmap;
+#endif
+
+	rc = bnxt_setup_int_mode(bp);
+	if (rc) {
+		netdev_err(bp->dev, "bnxt_setup_int_mode err: %x\n",
+			   rc);
+		return rc;
+	}
+#ifdef CONFIG_RFS_ACCEL
+	rmap = bp->dev->rx_cpu_rmap;
+#endif
+	if (!(bp->flags & BNXT_FLAG_USING_MSIX))
+		flags = IRQF_SHARED;
+
+	for (i = 0, j = 0; i < bp->cp_nr_rings; i++) {
+		int map_idx = bnxt_cp_num_to_irq_num(bp, i);
+		struct bnxt_irq *irq = &bp->irq_tbl[map_idx];
+
+#ifdef CONFIG_RFS_ACCEL
+		if (rmap && bp->bnapi[i]->rx_ring) {
+			rc = irq_cpu_rmap_add(rmap, irq->vector);
+			if (rc)
+				netdev_warn(bp->dev, "failed adding irq rmap for ring %d\n",
+					    j);
+			j++;
+		}
+#endif
+		rc = request_irq(irq->vector, irq->handler, flags, irq->name,
+				 bp->bnapi[i]);
+		if (rc)
+			break;
+
+		irq->requested = 1;
+
+		if (zalloc_cpumask_var(&irq->cpu_mask, GFP_KERNEL)) {
+			int numa_node = dev_to_node(&bp->pdev->dev);
+
+			irq->have_cpumask = 1;
+			cpumask_set_cpu(cpumask_local_spread(i, numa_node),
+					irq->cpu_mask);
+			rc = irq_set_affinity_hint(irq->vector, irq->cpu_mask);
+			if (rc) {
+				netdev_warn(bp->dev,
+					    "Set affinity failed, IRQ = %d\n",
+					    irq->vector);
+				break;
+			}
+		}
+	}
+	return rc;
+}
+
+static void bnxt_del_napi(struct bnxt *bp)
+{
+	int i;
+
+	if (!bp->bnapi)
+		return;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+
+		napi_hash_del(&bnapi->napi);
+		netif_napi_del(&bnapi->napi);
+	}
+	/* We called napi_hash_del() before netif_napi_del(), we need
+	 * to respect an RCU grace period before freeing napi structures.
+	 */
+	synchronize_net();
+}
+
+static void bnxt_init_napi(struct bnxt *bp)
+{
+	int i;
+	unsigned int cp_nr_rings = bp->cp_nr_rings;
+	struct bnxt_napi *bnapi;
+
+	if (bp->flags & BNXT_FLAG_USING_MSIX) {
+		if (BNXT_CHIP_TYPE_NITRO_A0(bp))
+			cp_nr_rings--;
+		for (i = 0; i < cp_nr_rings; i++) {
+			bnapi = bp->bnapi[i];
+			netif_napi_add(bp->dev, &bnapi->napi,
+				       bnxt_poll, 64);
+		}
+		if (BNXT_CHIP_TYPE_NITRO_A0(bp)) {
+			bnapi = bp->bnapi[cp_nr_rings];
+			netif_napi_add(bp->dev, &bnapi->napi,
+				       bnxt_poll_nitroa0, 64);
+		}
+	} else {
+		bnapi = bp->bnapi[0];
+		netif_napi_add(bp->dev, &bnapi->napi, bnxt_poll, 64);
+	}
+}
+
+static void bnxt_disable_napi(struct bnxt *bp)
+{
+	int i;
+
+	if (!bp->bnapi)
+		return;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
+
+		napi_disable(&bp->bnapi[i]->napi);
+		if (bp->bnapi[i]->rx_ring)
+			cancel_work_sync(&cpr->dim.work);
+	}
+}
+
+static void bnxt_enable_napi(struct bnxt *bp)
+{
+	int i;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
+		bp->bnapi[i]->in_reset = false;
+
+		if (bp->bnapi[i]->rx_ring) {
+			INIT_WORK(&cpr->dim.work, bnxt_dim_work);
+			cpr->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+		}
+		napi_enable(&bp->bnapi[i]->napi);
+	}
+}
+
+void bnxt_tx_disable(struct bnxt *bp)
+{
+	int i;
+	struct bnxt_tx_ring_info *txr;
+
+	if (bp->tx_ring) {
+		for (i = 0; i < bp->tx_nr_rings; i++) {
+			txr = &bp->tx_ring[i];
+			WRITE_ONCE(txr->dev_state, BNXT_DEV_STATE_CLOSING);
+		}
+	}
+	/* Make sure napi polls see @dev_state change */
+	synchronize_net();
+	/* Drop carrier first to prevent TX timeout */
+	netif_carrier_off(bp->dev);
+	/* Stop all TX queues */
+	netif_tx_disable(bp->dev);
+}
+
+void bnxt_tx_enable(struct bnxt *bp)
+{
+	int i;
+	struct bnxt_tx_ring_info *txr;
+
+	for (i = 0; i < bp->tx_nr_rings; i++) {
+		txr = &bp->tx_ring[i];
+		WRITE_ONCE(txr->dev_state, 0);
+	}
+	/* Make sure napi polls see @dev_state change */
+	synchronize_net();
+	netif_tx_wake_all_queues(bp->dev);
+	if (bp->link_info.link_up)
+		netif_carrier_on(bp->dev);
+}
+
+static void bnxt_report_link(struct bnxt *bp)
+{
+	if (bp->link_info.link_up) {
+		const char *duplex;
+		const char *flow_ctrl;
+		u32 speed;
+		u16 fec;
+
+		netif_carrier_on(bp->dev);
+		speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed);
+		if (speed == SPEED_UNKNOWN) {
+			netdev_info(bp->dev, "NIC Link is Up, speed unknown\n");
+			return;
+		}
+		if (bp->link_info.duplex == BNXT_LINK_DUPLEX_FULL)
+			duplex = "full";
+		else
+			duplex = "half";
+		if (bp->link_info.pause == BNXT_LINK_PAUSE_BOTH)
+			flow_ctrl = "ON - receive & transmit";
+		else if (bp->link_info.pause == BNXT_LINK_PAUSE_TX)
+			flow_ctrl = "ON - transmit";
+		else if (bp->link_info.pause == BNXT_LINK_PAUSE_RX)
+			flow_ctrl = "ON - receive";
+		else
+			flow_ctrl = "none";
+		netdev_info(bp->dev, "NIC Link is Up, %u Mbps %s duplex, Flow control: %s\n",
+			    speed, duplex, flow_ctrl);
+		if (bp->flags & BNXT_FLAG_EEE_CAP)
+			netdev_info(bp->dev, "EEE is %s\n",
+				    bp->eee.eee_active ? "active" :
+							 "not active");
+		fec = bp->link_info.fec_cfg;
+		if (!(fec & PORT_PHY_QCFG_RESP_FEC_CFG_FEC_NONE_SUPPORTED))
+			netdev_info(bp->dev, "FEC autoneg %s encodings: %s\n",
+				    (fec & BNXT_FEC_AUTONEG) ? "on" : "off",
+				    (fec & BNXT_FEC_ENC_BASE_R) ? "BaseR" :
+				     (fec & BNXT_FEC_ENC_RS) ? "RS" : "None");
+	} else {
+		netif_carrier_off(bp->dev);
+		netdev_err(bp->dev, "NIC Link is Down\n");
+	}
+}
+
+static int bnxt_hwrm_phy_qcaps(struct bnxt *bp)
+{
+	int rc = 0;
+	struct hwrm_port_phy_qcaps_input req = {0};
+	struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
+	struct bnxt_link_info *link_info = &bp->link_info;
+
+	if (bp->hwrm_spec_code < 0x10201)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc)
+		goto hwrm_phy_qcaps_exit;
+
+	if (resp->flags & PORT_PHY_QCAPS_RESP_FLAGS_EEE_SUPPORTED) {
+		struct ethtool_eee *eee = &bp->eee;
+		u16 fw_speeds = le16_to_cpu(resp->supported_speeds_eee_mode);
+
+		bp->flags |= BNXT_FLAG_EEE_CAP;
+		eee->supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
+		bp->lpi_tmr_lo = le32_to_cpu(resp->tx_lpi_timer_low) &
+				 PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_LOW_MASK;
+		bp->lpi_tmr_hi = le32_to_cpu(resp->valid_tx_lpi_timer_high) &
+				 PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_HIGH_MASK;
+	}
+	if (resp->flags & PORT_PHY_QCAPS_RESP_FLAGS_EXTERNAL_LPBK_SUPPORTED) {
+		if (bp->test_info)
+			bp->test_info->flags |= BNXT_TEST_FL_EXT_LPBK;
+	}
+	if (resp->supported_speeds_auto_mode)
+		link_info->support_auto_speeds =
+			le16_to_cpu(resp->supported_speeds_auto_mode);
+
+	bp->port_count = resp->port_cnt;
+
+hwrm_phy_qcaps_exit:
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static int bnxt_update_link(struct bnxt *bp, bool chng_link_state)
+{
+	int rc = 0;
+	struct bnxt_link_info *link_info = &bp->link_info;
+	struct hwrm_port_phy_qcfg_input req = {0};
+	struct hwrm_port_phy_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
+	u8 link_up = link_info->link_up;
+	u16 diff;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCFG, -1, -1);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc) {
+		mutex_unlock(&bp->hwrm_cmd_lock);
+		return rc;
+	}
+
+	memcpy(&link_info->phy_qcfg_resp, resp, sizeof(*resp));
+	link_info->phy_link_status = resp->link;
+	link_info->duplex = resp->duplex_cfg;
+	if (bp->hwrm_spec_code >= 0x10800)
+		link_info->duplex = resp->duplex_state;
+	link_info->pause = resp->pause;
+	link_info->auto_mode = resp->auto_mode;
+	link_info->auto_pause_setting = resp->auto_pause;
+	link_info->lp_pause = resp->link_partner_adv_pause;
+	link_info->force_pause_setting = resp->force_pause;
+	link_info->duplex_setting = resp->duplex_cfg;
+	if (link_info->phy_link_status == BNXT_LINK_LINK)
+		link_info->link_speed = le16_to_cpu(resp->link_speed);
+	else
+		link_info->link_speed = 0;
+	link_info->force_link_speed = le16_to_cpu(resp->force_link_speed);
+	link_info->support_speeds = le16_to_cpu(resp->support_speeds);
+	link_info->auto_link_speeds = le16_to_cpu(resp->auto_link_speed_mask);
+	link_info->lp_auto_link_speeds =
+		le16_to_cpu(resp->link_partner_adv_speeds);
+	link_info->preemphasis = le32_to_cpu(resp->preemphasis);
+	link_info->phy_ver[0] = resp->phy_maj;
+	link_info->phy_ver[1] = resp->phy_min;
+	link_info->phy_ver[2] = resp->phy_bld;
+	link_info->media_type = resp->media_type;
+	link_info->phy_type = resp->phy_type;
+	link_info->transceiver = resp->xcvr_pkg_type;
+	link_info->phy_addr = resp->eee_config_phy_addr &
+			      PORT_PHY_QCFG_RESP_PHY_ADDR_MASK;
+	link_info->module_status = resp->module_status;
+
+	if (bp->flags & BNXT_FLAG_EEE_CAP) {
+		struct ethtool_eee *eee = &bp->eee;
+		u16 fw_speeds;
+
+		eee->eee_active = 0;
+		if (resp->eee_config_phy_addr &
+		    PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_ACTIVE) {
+			eee->eee_active = 1;
+			fw_speeds = le16_to_cpu(
+				resp->link_partner_adv_eee_link_speed_mask);
+			eee->lp_advertised =
+				_bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
+		}
+
+		/* Pull initial EEE config */
+		if (!chng_link_state) {
+			if (resp->eee_config_phy_addr &
+			    PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_ENABLED)
+				eee->eee_enabled = 1;
+
+			fw_speeds = le16_to_cpu(resp->adv_eee_link_speed_mask);
+			eee->advertised =
+				_bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
+
+			if (resp->eee_config_phy_addr &
+			    PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_TX_LPI) {
+				__le32 tmr;
+
+				eee->tx_lpi_enabled = 1;
+				tmr = resp->xcvr_identifier_type_tx_lpi_timer;
+				eee->tx_lpi_timer = le32_to_cpu(tmr) &
+					PORT_PHY_QCFG_RESP_TX_LPI_TIMER_MASK;
+			}
+		}
+	}
+
+	link_info->fec_cfg = PORT_PHY_QCFG_RESP_FEC_CFG_FEC_NONE_SUPPORTED;
+	if (bp->hwrm_spec_code >= 0x10504)
+		link_info->fec_cfg = le16_to_cpu(resp->fec_cfg);
+
+	/* TODO: need to add more logic to report VF link */
+	if (chng_link_state) {
+		if (link_info->phy_link_status == BNXT_LINK_LINK)
+			link_info->link_up = 1;
+		else
+			link_info->link_up = 0;
+		if (link_up != link_info->link_up)
+			bnxt_report_link(bp);
+	} else {
+		/* alwasy link down if not require to update link state */
+		link_info->link_up = 0;
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+
+	if (!BNXT_SINGLE_PF(bp))
+		return 0;
+
+	diff = link_info->support_auto_speeds ^ link_info->advertising;
+	if ((link_info->support_auto_speeds | diff) !=
+	    link_info->support_auto_speeds) {
+		/* An advertised speed is no longer supported, so we need to
+		 * update the advertisement settings.  Caller holds RTNL
+		 * so we can modify link settings.
+		 */
+		link_info->advertising = link_info->support_auto_speeds;
+		if (link_info->autoneg & BNXT_AUTONEG_SPEED)
+			bnxt_hwrm_set_link_setting(bp, true, false);
+	}
+	return 0;
+}
+
+static void bnxt_get_port_module_status(struct bnxt *bp)
+{
+	struct bnxt_link_info *link_info = &bp->link_info;
+	struct hwrm_port_phy_qcfg_output *resp = &link_info->phy_qcfg_resp;
+	u8 module_status;
+
+	if (bnxt_update_link(bp, true))
+		return;
+
+	module_status = link_info->module_status;
+	switch (module_status) {
+	case PORT_PHY_QCFG_RESP_MODULE_STATUS_DISABLETX:
+	case PORT_PHY_QCFG_RESP_MODULE_STATUS_PWRDOWN:
+	case PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG:
+		netdev_warn(bp->dev, "Unqualified SFP+ module detected on port %d\n",
+			    bp->pf.port_id);
+		if (bp->hwrm_spec_code >= 0x10201) {
+			netdev_warn(bp->dev, "Module part number %s\n",
+				    resp->phy_vendor_partnumber);
+		}
+		if (module_status == PORT_PHY_QCFG_RESP_MODULE_STATUS_DISABLETX)
+			netdev_warn(bp->dev, "TX is disabled\n");
+		if (module_status == PORT_PHY_QCFG_RESP_MODULE_STATUS_PWRDOWN)
+			netdev_warn(bp->dev, "SFP+ module is shutdown\n");
+	}
+}
+
+static void
+bnxt_hwrm_set_pause_common(struct bnxt *bp, struct hwrm_port_phy_cfg_input *req)
+{
+	if (bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL) {
+		if (bp->hwrm_spec_code >= 0x10201)
+			req->auto_pause =
+				PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
+		if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_RX)
+			req->auto_pause |= PORT_PHY_CFG_REQ_AUTO_PAUSE_RX;
+		if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_TX)
+			req->auto_pause |= PORT_PHY_CFG_REQ_AUTO_PAUSE_TX;
+		req->enables |=
+			cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_AUTO_PAUSE);
+	} else {
+		if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_RX)
+			req->force_pause |= PORT_PHY_CFG_REQ_FORCE_PAUSE_RX;
+		if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_TX)
+			req->force_pause |= PORT_PHY_CFG_REQ_FORCE_PAUSE_TX;
+		req->enables |=
+			cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_FORCE_PAUSE);
+		if (bp->hwrm_spec_code >= 0x10201) {
+			req->auto_pause = req->force_pause;
+			req->enables |= cpu_to_le32(
+				PORT_PHY_CFG_REQ_ENABLES_AUTO_PAUSE);
+		}
+	}
+}
+
+static void bnxt_hwrm_set_link_common(struct bnxt *bp,
+				      struct hwrm_port_phy_cfg_input *req)
+{
+	u8 autoneg = bp->link_info.autoneg;
+	u16 fw_link_speed = bp->link_info.req_link_speed;
+	u16 advertising = bp->link_info.advertising;
+
+	if (autoneg & BNXT_AUTONEG_SPEED) {
+		req->auto_mode |=
+			PORT_PHY_CFG_REQ_AUTO_MODE_SPEED_MASK;
+
+		req->enables |= cpu_to_le32(
+			PORT_PHY_CFG_REQ_ENABLES_AUTO_LINK_SPEED_MASK);
+		req->auto_link_speed_mask = cpu_to_le16(advertising);
+
+		req->enables |= cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_AUTO_MODE);
+		req->flags |=
+			cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_RESTART_AUTONEG);
+	} else {
+		req->force_link_speed = cpu_to_le16(fw_link_speed);
+		req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE);
+	}
+
+	/* tell chimp that the setting takes effect immediately */
+	req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
+}
+
+int bnxt_hwrm_set_pause(struct bnxt *bp)
+{
+	struct hwrm_port_phy_cfg_input req = {0};
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
+	bnxt_hwrm_set_pause_common(bp, &req);
+
+	if ((bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL) ||
+	    bp->link_info.force_link_chng)
+		bnxt_hwrm_set_link_common(bp, &req);
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc && !(bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL)) {
+		/* since changing of pause setting doesn't trigger any link
+		 * change event, the driver needs to update the current pause
+		 * result upon successfully return of the phy_cfg command
+		 */
+		bp->link_info.pause =
+		bp->link_info.force_pause_setting = bp->link_info.req_flow_ctrl;
+		bp->link_info.auto_pause_setting = 0;
+		if (!bp->link_info.force_link_chng)
+			bnxt_report_link(bp);
+	}
+	bp->link_info.force_link_chng = false;
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+static void bnxt_hwrm_set_eee(struct bnxt *bp,
+			      struct hwrm_port_phy_cfg_input *req)
+{
+	struct ethtool_eee *eee = &bp->eee;
+
+	if (eee->eee_enabled) {
+		u16 eee_speeds;
+		u32 flags = PORT_PHY_CFG_REQ_FLAGS_EEE_ENABLE;
+
+		if (eee->tx_lpi_enabled)
+			flags |= PORT_PHY_CFG_REQ_FLAGS_EEE_TX_LPI_ENABLE;
+		else
+			flags |= PORT_PHY_CFG_REQ_FLAGS_EEE_TX_LPI_DISABLE;
+
+		req->flags |= cpu_to_le32(flags);
+		eee_speeds = bnxt_get_fw_auto_link_speeds(eee->advertised);
+		req->eee_link_speed_mask = cpu_to_le16(eee_speeds);
+		req->tx_lpi_timer = cpu_to_le32(eee->tx_lpi_timer);
+	} else {
+		req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_EEE_DISABLE);
+	}
+}
+
+int bnxt_hwrm_set_link_setting(struct bnxt *bp, bool set_pause, bool set_eee)
+{
+	struct hwrm_port_phy_cfg_input req = {0};
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
+	if (set_pause)
+		bnxt_hwrm_set_pause_common(bp, &req);
+
+	bnxt_hwrm_set_link_common(bp, &req);
+
+	if (set_eee)
+		bnxt_hwrm_set_eee(bp, &req);
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_shutdown_link(struct bnxt *bp)
+{
+	struct hwrm_port_phy_cfg_input req = {0};
+
+	if (!BNXT_SINGLE_PF(bp))
+		return 0;
+
+	if (pci_num_vf(bp->pdev))
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
+	req.flags = cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE_LINK_DWN);
+	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
+{
+	struct hwrm_func_drv_if_change_output *resp = bp->hwrm_cmd_resp_addr;
+	struct hwrm_func_drv_if_change_input req = {0};
+	bool resc_reinit = false;
+	int rc;
+
+	if (!(bp->fw_cap & BNXT_FW_CAP_IF_CHANGE))
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_IF_CHANGE, -1, -1);
+	if (up)
+		req.flags = cpu_to_le32(FUNC_DRV_IF_CHANGE_REQ_FLAGS_UP);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc && (resp->flags &
+		    cpu_to_le32(FUNC_DRV_IF_CHANGE_RESP_FLAGS_RESC_CHANGE)))
+		resc_reinit = true;
+	mutex_unlock(&bp->hwrm_cmd_lock);
+
+	if (up && resc_reinit && BNXT_NEW_RM(bp)) {
+		struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+
+		rc = bnxt_hwrm_func_resc_qcaps(bp, true);
+		hw_resc->resv_cp_rings = 0;
+		hw_resc->resv_tx_rings = 0;
+		hw_resc->resv_rx_rings = 0;
+		hw_resc->resv_hw_ring_grps = 0;
+		hw_resc->resv_vnics = 0;
+		bp->tx_nr_rings = 0;
+		bp->rx_nr_rings = 0;
+	}
+	return rc;
+}
+
+static int bnxt_hwrm_port_led_qcaps(struct bnxt *bp)
+{
+	struct hwrm_port_led_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
+	struct hwrm_port_led_qcaps_input req = {0};
+	struct bnxt_pf_info *pf = &bp->pf;
+	int rc;
+
+	if (BNXT_VF(bp) || bp->hwrm_spec_code < 0x10601)
+		return 0;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_QCAPS, -1, -1);
+	req.port_id = cpu_to_le16(pf->port_id);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc) {
+		mutex_unlock(&bp->hwrm_cmd_lock);
+		return rc;
+	}
+	if (resp->num_leds > 0 && resp->num_leds < BNXT_MAX_LED) {
+		int i;
+
+		bp->num_leds = resp->num_leds;
+		memcpy(bp->leds, &resp->led0_id, sizeof(bp->leds[0]) *
+						 bp->num_leds);
+		for (i = 0; i < bp->num_leds; i++) {
+			struct bnxt_led_info *led = &bp->leds[i];
+			__le16 caps = led->led_state_caps;
+
+			if (!led->led_group_id ||
+			    !BNXT_LED_ALT_BLINK_CAP(caps)) {
+				bp->num_leds = 0;
+				break;
+			}
+		}
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return 0;
+}
+
+int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp)
+{
+	struct hwrm_wol_filter_alloc_input req = {0};
+	struct hwrm_wol_filter_alloc_output *resp = bp->hwrm_cmd_resp_addr;
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_ALLOC, -1, -1);
+	req.port_id = cpu_to_le16(bp->pf.port_id);
+	req.wol_type = WOL_FILTER_ALLOC_REQ_WOL_TYPE_MAGICPKT;
+	req.enables = cpu_to_le32(WOL_FILTER_ALLOC_REQ_ENABLES_MAC_ADDRESS);
+	memcpy(req.mac_address, bp->dev->dev_addr, ETH_ALEN);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		bp->wol_filter_id = resp->wol_filter_id;
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return rc;
+}
+
+int bnxt_hwrm_free_wol_fltr(struct bnxt *bp)
+{
+	struct hwrm_wol_filter_free_input req = {0};
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_FREE, -1, -1);
+	req.port_id = cpu_to_le16(bp->pf.port_id);
+	req.enables = cpu_to_le32(WOL_FILTER_FREE_REQ_ENABLES_WOL_FILTER_ID);
+	req.wol_filter_id = bp->wol_filter_id;
+	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	return rc;
+}
+
+static u16 bnxt_hwrm_get_wol_fltrs(struct bnxt *bp, u16 handle)
+{
+	struct hwrm_wol_filter_qcfg_input req = {0};
+	struct hwrm_wol_filter_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
+	u16 next_handle = 0;
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_QCFG, -1, -1);
+	req.port_id = cpu_to_le16(bp->pf.port_id);
+	req.handle = cpu_to_le16(handle);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc) {
+		next_handle = le16_to_cpu(resp->next_handle);
+		if (next_handle != 0) {
+			if (resp->wol_type ==
+			    WOL_FILTER_ALLOC_REQ_WOL_TYPE_MAGICPKT) {
+				bp->wol = 1;
+				bp->wol_filter_id = resp->wol_filter_id;
+			}
+		}
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	return next_handle;
+}
+
+static void bnxt_get_wol_settings(struct bnxt *bp)
+{
+	u16 handle = 0;
+
+	if (!BNXT_PF(bp) || !(bp->flags & BNXT_FLAG_WOL_CAP))
+		return;
+
+	do {
+		handle = bnxt_hwrm_get_wol_fltrs(bp, handle);
+	} while (handle && handle != 0xffff);
+}
+
+#ifdef CONFIG_BNXT_HWMON
+static ssize_t bnxt_show_temp(struct device *dev,
+			      struct device_attribute *devattr, char *buf)
+{
+	struct hwrm_temp_monitor_query_input req = {0};
+	struct hwrm_temp_monitor_query_output *resp;
+	struct bnxt *bp = dev_get_drvdata(dev);
+	u32 len = 0;
+	int rc;
+
+	resp = bp->hwrm_cmd_resp_addr;
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TEMP_MONITOR_QUERY, -1, -1);
+	mutex_lock(&bp->hwrm_cmd_lock);
+	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (!rc)
+		len = sprintf(buf, "%u\n", resp->temp * 1000); /* display millidegree */
+	mutex_unlock(&bp->hwrm_cmd_lock);
+	if (rc)
+		return rc;
+	return len;
+}
+static SENSOR_DEVICE_ATTR(temp1_input, 0444, bnxt_show_temp, NULL, 0);
+
+static struct attribute *bnxt_attrs[] = {
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	NULL
+};
+ATTRIBUTE_GROUPS(bnxt);
+
+static void bnxt_hwmon_close(struct bnxt *bp)
+{
+	if (bp->hwmon_dev) {
+		hwmon_device_unregister(bp->hwmon_dev);
+		bp->hwmon_dev = NULL;
+	}
+}
+
+static void bnxt_hwmon_open(struct bnxt *bp)
+{
+	struct hwrm_temp_monitor_query_input req = {0};
+	struct pci_dev *pdev = bp->pdev;
+	int rc;
+
+	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TEMP_MONITOR_QUERY, -1, -1);
+	rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+	if (rc == -EACCES || rc == -EOPNOTSUPP) {
+		bnxt_hwmon_close(bp);
+		return;
+	}
+
+	bp->hwmon_dev = hwmon_device_register_with_groups(&pdev->dev,
+							  DRV_MODULE_NAME, bp,
+							  bnxt_groups);
+	if (IS_ERR(bp->hwmon_dev)) {
+		bp->hwmon_dev = NULL;
+		dev_warn(&pdev->dev, "Cannot register hwmon device\n");
+	}
+}
+#else
+static void bnxt_hwmon_close(struct bnxt *bp)
+{
+}
+
+static void bnxt_hwmon_open(struct bnxt *bp)
+{
+}
+#endif
+
+static bool bnxt_eee_config_ok(struct bnxt *bp)
+{
+	struct ethtool_eee *eee = &bp->eee;
+	struct bnxt_link_info *link_info = &bp->link_info;
+
+	if (!(bp->flags & BNXT_FLAG_EEE_CAP))
+		return true;
+
+	if (eee->eee_enabled) {
+		u32 advertising =
+			_bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
+
+		if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
+			eee->eee_enabled = 0;
+			return false;
+		}
+		if (eee->advertised & ~advertising) {
+			eee->advertised = advertising & eee->supported;
+			return false;
+		}
+	}
+	return true;
+}
+
+static int bnxt_update_phy_setting(struct bnxt *bp)
+{
+	int rc;
+	bool update_link = false;
+	bool update_pause = false;
+	bool update_eee = false;
+	struct bnxt_link_info *link_info = &bp->link_info;
+
+	rc = bnxt_update_link(bp, true);
+	if (rc) {
+		netdev_err(bp->dev, "failed to update link (rc: %x)\n",
+			   rc);
+		return rc;
+	}
+	if (!BNXT_SINGLE_PF(bp))
+		return 0;
+
+	if ((link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) &&
+	    (link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) !=
+	    link_info->req_flow_ctrl)
+		update_pause = true;
+	if (!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) &&
+	    link_info->force_pause_setting != link_info->req_flow_ctrl)
+		update_pause = true;
+	if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
+		if (BNXT_AUTO_MODE(link_info->auto_mode))
+			update_link = true;
+		if (link_info->req_link_speed != link_info->force_link_speed)
+			update_link = true;
+		if (link_info->req_duplex != link_info->duplex_setting)
+			update_link = true;
+	} else {
+		if (link_info->auto_mode == BNXT_LINK_AUTO_NONE)
+			update_link = true;
+		if (link_info->advertising != link_info->auto_link_speeds)
+			update_link = true;
+	}
+
+	/* The last close may have shutdown the link, so need to call
+	 * PHY_CFG to bring it back up.
+	 */
+	if (!netif_carrier_ok(bp->dev))
+		update_link = true;
+
+	if (!bnxt_eee_config_ok(bp))
+		update_eee = true;
+
+	if (update_link)
+		rc = bnxt_hwrm_set_link_setting(bp, update_pause, update_eee);
+	else if (update_pause)
+		rc = bnxt_hwrm_set_pause(bp);
+	if (rc) {
+		netdev_err(bp->dev, "failed to update phy setting (rc: %x)\n",
+			   rc);
+		return rc;
+	}
+
+	return rc;
+}
+
+/* Common routine to pre-map certain register block to different GRC window.
+ * A PF has 16 4K windows and a VF has 4 4K windows. However, only 15 windows
+ * in PF and 3 windows in VF that can be customized to map in different
+ * register blocks.
+ */
+static void bnxt_preset_reg_win(struct bnxt *bp)
+{
+	if (BNXT_PF(bp)) {
+		/* CAG registers map to GRC window #4 */
+		writel(BNXT_CAG_REG_BASE,
+		       bp->bar0 + BNXT_GRCPF_REG_WINDOW_BASE_OUT + 12);
+	}
+}
+
+static int bnxt_init_dflt_ring_mode(struct bnxt *bp);
+
+static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
+{
+	int rc = 0;
+
+	bnxt_preset_reg_win(bp);
+	netif_carrier_off(bp->dev);
+	if (irq_re_init) {
+		/* Reserve rings now if none were reserved at driver probe. */
+		rc = bnxt_init_dflt_ring_mode(bp);
+		if (rc) {
+			netdev_err(bp->dev, "Failed to reserve default rings at open\n");
+			return rc;
+		}
+		rc = bnxt_reserve_rings(bp);
+		if (rc)
+			return rc;
+	}
+	if ((bp->flags & BNXT_FLAG_RFS) &&
+	    !(bp->flags & BNXT_FLAG_USING_MSIX)) {
+		/* disable RFS if falling back to INTA */
+		bp->dev->hw_features &= ~NETIF_F_NTUPLE;
+		bp->flags &= ~BNXT_FLAG_RFS;
+	}
+
+	rc = bnxt_alloc_mem(bp, irq_re_init);
+	if (rc) {
+		netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc);
+		goto open_err_free_mem;
+	}
+
+	if (irq_re_init) {
+		bnxt_init_napi(bp);
+		rc = bnxt_request_irq(bp);
+		if (rc) {
+			netdev_err(bp->dev, "bnxt_request_irq err: %x\n", rc);
+			goto open_err_irq;
+		}
+	}
+
+	rc = bnxt_init_nic(bp, irq_re_init);
+	if (rc) {
+		netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc);
+		goto open_err_irq;
+	}
+
+	bnxt_enable_napi(bp);
+	bnxt_debug_dev_init(bp);
+
+	if (link_re_init) {
+		mutex_lock(&bp->link_lock);
+		rc = bnxt_update_phy_setting(bp);
+		mutex_unlock(&bp->link_lock);
+		if (rc) {
+			netdev_warn(bp->dev, "failed to update phy settings\n");
+			if (BNXT_SINGLE_PF(bp)) {
+				bp->link_info.phy_retry = true;
+				bp->link_info.phy_retry_expires =
+					jiffies + 5 * HZ;
+			}
+		}
+	}
+
+	if (irq_re_init)
+		udp_tunnel_get_rx_info(bp->dev);
+
+	set_bit(BNXT_STATE_OPEN, &bp->state);
+	bnxt_enable_int(bp);
+	/* Enable TX queues */
+	bnxt_tx_enable(bp);
+	mod_timer(&bp->timer, jiffies + bp->current_interval);
+	/* Poll link status and check for SFP+ module status */
+	bnxt_get_port_module_status(bp);
+
+	/* VF-reps may need to be re-opened after the PF is re-opened */
+	if (BNXT_PF(bp))
+		bnxt_vf_reps_open(bp);
+	return 0;
+
+open_err_irq:
+	bnxt_del_napi(bp);
+
+open_err_free_mem:
+	bnxt_free_skbs(bp);
+	bnxt_free_irq(bp);
+	bnxt_free_mem(bp, true);
+	return rc;
+}
+
+/* rtnl_lock held */
+int bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
+{
+	int rc = 0;
+
+	rc = __bnxt_open_nic(bp, irq_re_init, link_re_init);
+	if (rc) {
+		netdev_err(bp->dev, "nic open fail (rc: %x)\n", rc);
+		dev_close(bp->dev);
+	}
+	return rc;
+}
+
+/* rtnl_lock held, open the NIC half way by allocating all resources, but
+ * NAPI, IRQ, and TX are not enabled.  This is mainly used for offline
+ * self tests.
+ */
+int bnxt_half_open_nic(struct bnxt *bp)
+{
+	int rc = 0;
+
+	rc = bnxt_alloc_mem(bp, false);
+	if (rc) {
+		netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc);
+		goto half_open_err;
+	}
+	rc = bnxt_init_nic(bp, false);
+	if (rc) {
+		netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc);
+		goto half_open_err;
+	}
+	return 0;
+
+half_open_err:
+	bnxt_free_skbs(bp);
+	bnxt_free_mem(bp, false);
+	dev_close(bp->dev);
+	return rc;
+}
+
+/* rtnl_lock held, this call can only be made after a previous successful
+ * call to bnxt_half_open_nic().
+ */
+void bnxt_half_close_nic(struct bnxt *bp)
+{
+	bnxt_hwrm_resource_free(bp, false, false);
+	bnxt_free_skbs(bp);
+	bnxt_free_mem(bp, false);
+}
+
+static int bnxt_open(struct net_device *dev)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	int rc;
+
+	bnxt_hwrm_if_change(bp, true);
+	rc = __bnxt_open_nic(bp, true, true);
+	if (rc)
+		bnxt_hwrm_if_change(bp, false);
+
+	bnxt_hwmon_open(bp);
+
+	return rc;
+}
+
+static bool bnxt_drv_busy(struct bnxt *bp)
+{
+	return (test_bit(BNXT_STATE_IN_SP_TASK, &bp->state) ||
+		test_bit(BNXT_STATE_READ_STATS, &bp->state));
+}
+
+static void bnxt_get_ring_stats(struct bnxt *bp,
+				struct rtnl_link_stats64 *stats);
+
+static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init,
+			     bool link_re_init)
+{
+	/* Close the VF-reps before closing PF */
+	if (BNXT_PF(bp))
+		bnxt_vf_reps_close(bp);
+
+	/* Change device state to avoid TX queue wake up's */
+	bnxt_tx_disable(bp);
+
+	clear_bit(BNXT_STATE_OPEN, &bp->state);
+	smp_mb__after_atomic();
+	while (bnxt_drv_busy(bp))
+		msleep(20);
+
+	/* Flush rings and and disable interrupts */
+	bnxt_shutdown_nic(bp, irq_re_init);
+
+	/* TODO CHIMP_FW: Link/PHY related cleanup if (link_re_init) */
+
+	bnxt_debug_dev_exit(bp);
+	bnxt_disable_napi(bp);
+	del_timer_sync(&bp->timer);
+	bnxt_free_skbs(bp);
+
+	/* Save ring stats before shutdown */
+	if (bp->bnapi && irq_re_init)
+		bnxt_get_ring_stats(bp, &bp->net_stats_prev);
+	if (irq_re_init) {
+		bnxt_free_irq(bp);
+		bnxt_del_napi(bp);
+	}
+	bnxt_free_mem(bp, irq_re_init);
+}
+
+int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
+{
+	int rc = 0;
+
+#ifdef CONFIG_BNXT_SRIOV
+	if (bp->sriov_cfg) {
+		rc = wait_event_interruptible_timeout(bp->sriov_cfg_wait,
+						      !bp->sriov_cfg,
+						      BNXT_SRIOV_CFG_WAIT_TMO);
+		if (rc)
+			netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete!\n");
+	}
+#endif
+	__bnxt_close_nic(bp, irq_re_init, link_re_init);
+	return rc;
+}
+
+static int bnxt_close(struct net_device *dev)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	bnxt_hwmon_close(bp);
+	bnxt_close_nic(bp, true, true);
+	bnxt_hwrm_shutdown_link(bp);
+	bnxt_hwrm_if_change(bp, false);
+	return 0;
+}
+
+/* rtnl_lock held */
+static int bnxt_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+	switch (cmd) {
+	case SIOCGMIIPHY:
+		/* fallthru */
+	case SIOCGMIIREG: {
+		if (!netif_running(dev))
+			return -EAGAIN;
+
+		return 0;
+	}
+
+	case SIOCSMIIREG:
+		if (!netif_running(dev))
+			return -EAGAIN;
+
+		return 0;
+
+	default:
+		/* do nothing */
+		break;
+	}
+	return -EOPNOTSUPP;
+}
+
+static void bnxt_get_ring_stats(struct bnxt *bp,
+				struct rtnl_link_stats64 *stats)
+{
+	int i;
+
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		struct bnxt_napi *bnapi = bp->bnapi[i];
+		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+		struct ctx_hw_stats *hw_stats = cpr->hw_stats;
+
+		stats->rx_packets += le64_to_cpu(hw_stats->rx_ucast_pkts);
+		stats->rx_packets += le64_to_cpu(hw_stats->rx_mcast_pkts);
+		stats->rx_packets += le64_to_cpu(hw_stats->rx_bcast_pkts);
+
+		stats->tx_packets += le64_to_cpu(hw_stats->tx_ucast_pkts);
+		stats->tx_packets += le64_to_cpu(hw_stats->tx_mcast_pkts);
+		stats->tx_packets += le64_to_cpu(hw_stats->tx_bcast_pkts);
+
+		stats->rx_bytes += le64_to_cpu(hw_stats->rx_ucast_bytes);
+		stats->rx_bytes += le64_to_cpu(hw_stats->rx_mcast_bytes);
+		stats->rx_bytes += le64_to_cpu(hw_stats->rx_bcast_bytes);
+
+		stats->tx_bytes += le64_to_cpu(hw_stats->tx_ucast_bytes);
+		stats->tx_bytes += le64_to_cpu(hw_stats->tx_mcast_bytes);
+		stats->tx_bytes += le64_to_cpu(hw_stats->tx_bcast_bytes);
+
+		stats->rx_missed_errors +=
+			le64_to_cpu(hw_stats->rx_discard_pkts);
+
+		stats->multicast += le64_to_cpu(hw_stats->rx_mcast_pkts);
+
+		stats->tx_dropped += le64_to_cpu(hw_stats->tx_drop_pkts);
+	}
+}
+
+static void bnxt_add_prev_stats(struct bnxt *bp,
+				struct rtnl_link_stats64 *stats)
+{
+	struct rtnl_link_stats64 *prev_stats = &bp->net_stats_prev;
+
+	stats->rx_packets += prev_stats->rx_packets;
+	stats->tx_packets += prev_stats->tx_packets;
+	stats->rx_bytes += prev_stats->rx_bytes;
+	stats->tx_bytes += prev_stats->tx_bytes;
+	stats->rx_missed_errors += prev_stats->rx_missed_errors;
+	stats->multicast += prev_stats->multicast;
+	stats->tx_dropped += prev_stats->tx_dropped;
+}
+
+static void
+bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	set_bit(BNXT_STATE_READ_STATS, &bp->state);
+	/* Make sure bnxt_close_nic() sees that we are reading stats before
+	 * we check the BNXT_STATE_OPEN flag.
+	 */
+	smp_mb__after_atomic();
+	if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
+		clear_bit(BNXT_STATE_READ_STATS, &bp->state);
+		*stats = bp->net_stats_prev;
+		return;
+	}
+
+	bnxt_get_ring_stats(bp, stats);
+	bnxt_add_prev_stats(bp, stats);
+
+	if (bp->flags & BNXT_FLAG_PORT_STATS) {
+		struct rx_port_stats *rx = bp->hw_rx_port_stats;
+		struct tx_port_stats *tx = bp->hw_tx_port_stats;
+
+		stats->rx_crc_errors = le64_to_cpu(rx->rx_fcs_err_frames);
+		stats->rx_frame_errors = le64_to_cpu(rx->rx_align_err_frames);
+		stats->rx_length_errors = le64_to_cpu(rx->rx_undrsz_frames) +
+					  le64_to_cpu(rx->rx_ovrsz_frames) +
+					  le64_to_cpu(rx->rx_runt_frames);
+		stats->rx_errors = le64_to_cpu(rx->rx_false_carrier_frames) +
+				   le64_to_cpu(rx->rx_jbr_frames);
+		stats->collisions = le64_to_cpu(tx->tx_total_collisions);
+		stats->tx_fifo_errors = le64_to_cpu(tx->tx_fifo_underruns);
+		stats->tx_errors = le64_to_cpu(tx->tx_err);
+	}
+	clear_bit(BNXT_STATE_READ_STATS, &bp->state);
+}
+
+static bool bnxt_mc_list_updated(struct bnxt *bp, u32 *rx_mask)
+{
+	struct net_device *dev = bp->dev;
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+	struct netdev_hw_addr *ha;
+	u8 *haddr;
+	int mc_count = 0;
+	bool update = false;
+	int off = 0;
+
+	netdev_for_each_mc_addr(ha, dev) {
+		if (mc_count >= BNXT_MAX_MC_ADDRS) {
+			*rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
+			vnic->mc_list_count = 0;
+			return false;
+		}
+		haddr = ha->addr;
+		if (!ether_addr_equal(haddr, vnic->mc_list + off)) {
+			memcpy(vnic->mc_list + off, haddr, ETH_ALEN);
+			update = true;
+		}
+		off += ETH_ALEN;
+		mc_count++;
+	}
+	if (mc_count)
+		*rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_MCAST;
+
+	if (mc_count != vnic->mc_list_count) {
+		vnic->mc_list_count = mc_count;
+		update = true;
+	}
+	return update;
+}
+
+static bool bnxt_uc_list_updated(struct bnxt *bp)
+{
+	struct net_device *dev = bp->dev;
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+	struct netdev_hw_addr *ha;
+	int off = 0;
+
+	if (netdev_uc_count(dev) != (vnic->uc_filter_count - 1))
+		return true;
+
+	netdev_for_each_uc_addr(ha, dev) {
+		if (!ether_addr_equal(ha->addr, vnic->uc_list + off))
+			return true;
+
+		off += ETH_ALEN;
+	}
+	return false;
+}
+
+static void bnxt_set_rx_mode(struct net_device *dev)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+	u32 mask = vnic->rx_mask;
+	bool mc_update = false;
+	bool uc_update;
+
+	if (!netif_running(dev))
+		return;
+
+	mask &= ~(CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS |
+		  CFA_L2_SET_RX_MASK_REQ_MASK_MCAST |
+		  CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST |
+		  CFA_L2_SET_RX_MASK_REQ_MASK_BCAST);
+
+	if ((dev->flags & IFF_PROMISC) && bnxt_promisc_ok(bp))
+		mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
+
+	uc_update = bnxt_uc_list_updated(bp);
+
+	if (dev->flags & IFF_BROADCAST)
+		mask |= CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
+	if (dev->flags & IFF_ALLMULTI) {
+		mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
+		vnic->mc_list_count = 0;
+	} else {
+		mc_update = bnxt_mc_list_updated(bp, &mask);
+	}
+
+	if (mask != vnic->rx_mask || uc_update || mc_update) {
+		vnic->rx_mask = mask;
+
+		set_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event);
+		bnxt_queue_sp_work(bp);
+	}
+}
+
+static int bnxt_cfg_rx_mode(struct bnxt *bp)
+{
+	struct net_device *dev = bp->dev;
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+	struct netdev_hw_addr *ha;
+	int i, off = 0, rc;
+	bool uc_update;
+
+	netif_addr_lock_bh(dev);
+	uc_update = bnxt_uc_list_updated(bp);
+	netif_addr_unlock_bh(dev);
+
+	if (!uc_update)
+		goto skip_uc;
+
+	mutex_lock(&bp->hwrm_cmd_lock);
+	for (i = 1; i < vnic->uc_filter_count; i++) {
+		struct hwrm_cfa_l2_filter_free_input req = {0};
+
+		bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_FILTER_FREE, -1,
+				       -1);
+
+		req.l2_filter_id = vnic->fw_l2_filter_id[i];
+
+		rc = _hwrm_send_message(bp, &req, sizeof(req),
+					HWRM_CMD_TIMEOUT);
+	}
+	mutex_unlock(&bp->hwrm_cmd_lock);
+
+	vnic->uc_filter_count = 1;
+
+	netif_addr_lock_bh(dev);
+	if (netdev_uc_count(dev) > (BNXT_MAX_UC_ADDRS - 1)) {
+		vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
+	} else {
+		netdev_for_each_uc_addr(ha, dev) {
+			memcpy(vnic->uc_list + off, ha->addr, ETH_ALEN);
+			off += ETH_ALEN;
+			vnic->uc_filter_count++;
+		}
+	}
+	netif_addr_unlock_bh(dev);
+
+	for (i = 1, off = 0; i < vnic->uc_filter_count; i++, off += ETH_ALEN) {
+		rc = bnxt_hwrm_set_vnic_filter(bp, 0, i, vnic->uc_list + off);
+		if (rc) {
+			netdev_err(bp->dev, "HWRM vnic filter failure rc: %x\n",
+				   rc);
+			vnic->uc_filter_count = i;
+			return rc;
+		}
+	}
+
+skip_uc:
+	rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0);
+	if (rc && vnic->mc_list_count) {
+		netdev_info(bp->dev, "Failed setting MC filters rc: %d, turning on ALL_MCAST mode\n",
+			    rc);
+		vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
+		vnic->mc_list_count = 0;
+		rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0);
+	}
+	if (rc)
+		netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %d\n",
+			   rc);
+
+	return rc;
+}
+
+static bool bnxt_can_reserve_rings(struct bnxt *bp)
+{
+#ifdef CONFIG_BNXT_SRIOV
+	if (BNXT_NEW_RM(bp) && BNXT_VF(bp)) {
+		struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+
+		/* No minimum rings were provisioned by the PF.  Don't
+		 * reserve rings by default when device is down.
+		 */
+		if (hw_resc->min_tx_rings || hw_resc->resv_tx_rings)
+			return true;
+
+		if (!netif_running(bp->dev))
+			return false;
+	}
+#endif
+	return true;
+}
+
+/* If the chip and firmware supports RFS */
+static bool bnxt_rfs_supported(struct bnxt *bp)
+{
+	if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp))
+		return true;
+	if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
+		return true;
+	return false;
+}
+
+/* If runtime conditions support RFS */
+static bool bnxt_rfs_capable(struct bnxt *bp)
+{
+#ifdef CONFIG_RFS_ACCEL
+	int vnics, max_vnics, max_rss_ctxs;
+
+	if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp))
+		return false;
+
+	vnics = 1 + bp->rx_nr_rings;
+	max_vnics = bnxt_get_max_func_vnics(bp);
+	max_rss_ctxs = bnxt_get_max_func_rss_ctxs(bp);
+
+	/* RSS contexts not a limiting factor */
+	if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
+		max_rss_ctxs = max_vnics;
+	if (vnics > max_vnics || vnics > max_rss_ctxs) {
+		if (bp->rx_nr_rings > 1)
+			netdev_warn(bp->dev,
+				    "Not enough resources to support NTUPLE filters, enough resources for up to %d rx rings\n",
+				    min(max_rss_ctxs - 1, max_vnics - 1));
+		return false;
+	}
+
+	if (!BNXT_NEW_RM(bp))
+		return true;
+
+	if (vnics == bp->hw_resc.resv_vnics)
+		return true;
+
+	bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, vnics);
+	if (vnics <= bp->hw_resc.resv_vnics)
+		return true;
+
+	netdev_warn(bp->dev, "Unable to reserve resources to support NTUPLE filters.\n");
+	bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 1);
+	return false;
+#else
+	return false;
+#endif
+}
+
+static netdev_features_t bnxt_fix_features(struct net_device *dev,
+					   netdev_features_t features)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	netdev_features_t vlan_features;
+
+	if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp))
+		features &= ~NETIF_F_NTUPLE;
+
+	if (bp->flags & BNXT_FLAG_NO_AGG_RINGS)
+		features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
+
+	if (!(features & NETIF_F_GRO))
+		features &= ~NETIF_F_GRO_HW;
+
+	if (features & NETIF_F_GRO_HW)
+		features &= ~NETIF_F_LRO;
+
+	/* Both CTAG and STAG VLAN accelaration on the RX side have to be
+	 * turned on or off together.
+	 */
+	vlan_features = features & (NETIF_F_HW_VLAN_CTAG_RX |
+				    NETIF_F_HW_VLAN_STAG_RX);
+	if (vlan_features != (NETIF_F_HW_VLAN_CTAG_RX |
+			      NETIF_F_HW_VLAN_STAG_RX)) {
+		if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
+			features &= ~(NETIF_F_HW_VLAN_CTAG_RX |
+				      NETIF_F_HW_VLAN_STAG_RX);
+		else if (vlan_features)
+			features |= NETIF_F_HW_VLAN_CTAG_RX |
+				    NETIF_F_HW_VLAN_STAG_RX;
+	}
+#ifdef CONFIG_BNXT_SRIOV
+	if (BNXT_VF(bp)) {
+		if (bp->vf.vlan) {
+			features &= ~(NETIF_F_HW_VLAN_CTAG_RX |
+				      NETIF_F_HW_VLAN_STAG_RX);
+		}
+	}
+#endif
+	return features;
+}
+
+static int bnxt_set_features(struct net_device *dev, netdev_features_t features)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	u32 flags = bp->flags;
+	u32 changes;
+	int rc = 0;
+	bool re_init = false;
+	bool update_tpa = false;
+
+	flags &= ~BNXT_FLAG_ALL_CONFIG_FEATS;
+	if (features & NETIF_F_GRO_HW)
+		flags |= BNXT_FLAG_GRO;
+	else if (features & NETIF_F_LRO)
+		flags |= BNXT_FLAG_LRO;
+
+	if (bp->flags & BNXT_FLAG_NO_AGG_RINGS)
+		flags &= ~BNXT_FLAG_TPA;
+
+	if (features & NETIF_F_HW_VLAN_CTAG_RX)
+		flags |= BNXT_FLAG_STRIP_VLAN;
+
+	if (features & NETIF_F_NTUPLE)
+		flags |= BNXT_FLAG_RFS;
+
+	changes = flags ^ bp->flags;
+	if (changes & BNXT_FLAG_TPA) {
+		update_tpa = true;
+		if ((bp->flags & BNXT_FLAG_TPA) == 0 ||
+		    (flags & BNXT_FLAG_TPA) == 0)
+			re_init = true;
+	}
+
+	if (changes & ~BNXT_FLAG_TPA)
+		re_init = true;
+
+	if (flags != bp->flags) {
+		u32 old_flags = bp->flags;
+
+		bp->flags = flags;
+
+		if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
+			if (update_tpa)
+				bnxt_set_ring_params(bp);
+			return rc;
+		}
+
+		if (re_init) {
+			bnxt_close_nic(bp, false, false);
+			if (update_tpa)
+				bnxt_set_ring_params(bp);
+
+			return bnxt_open_nic(bp, false, false);
+		}
+		if (update_tpa) {
+			rc = bnxt_set_tpa(bp,
+					  (flags & BNXT_FLAG_TPA) ?
+					  true : false);
+			if (rc)
+				bp->flags = old_flags;
+		}
+	}
+	return rc;
+}
+
+static void bnxt_dump_tx_sw_state(struct bnxt_napi *bnapi)
+{
+	struct bnxt_tx_ring_info *txr = bnapi->tx_ring;
+	int i = bnapi->index;
+
+	if (!txr)
+		return;
+
+	netdev_info(bnapi->bp->dev, "[%d]: tx{fw_ring: %d prod: %x cons: %x}\n",
+		    i, txr->tx_ring_struct.fw_ring_id, txr->tx_prod,
+		    txr->tx_cons);
+}
+
+static void bnxt_dump_rx_sw_state(struct bnxt_napi *bnapi)
+{
+	struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
+	int i = bnapi->index;
+
+	if (!rxr)
+		return;
+
+	netdev_info(bnapi->bp->dev, "[%d]: rx{fw_ring: %d prod: %x} rx_agg{fw_ring: %d agg_prod: %x sw_agg_prod: %x}\n",
+		    i, rxr->rx_ring_struct.fw_ring_id, rxr->rx_prod,
+		    rxr->rx_agg_ring_struct.fw_ring_id, rxr->rx_agg_prod,
+		    rxr->rx_sw_agg_prod);
+}
+
+static void bnxt_dump_cp_sw_state(struct bnxt_napi *bnapi)
+{
+	struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
+	int i = bnapi->index;
+
+	netdev_info(bnapi->bp->dev, "[%d]: cp{fw_ring: %d raw_cons: %x}\n",
+		    i, cpr->cp_ring_struct.fw_ring_id, cpr->cp_raw_cons);
+}
+
+static void bnxt_dbg_dump_states(struct bnxt *bp)
+{
+	int i;
+	struct bnxt_napi *bnapi;
+
+	for (i = 0; i < bp->cp_nr_rings; i++) {
+		bnapi = bp->bnapi[i];
+		if (netif_msg_drv(bp)) {
+			bnxt_dump_tx_sw_state(bnapi);
+			bnxt_dump_rx_sw_state(bnapi);
+			bnxt_dump_cp_sw_state(bnapi);
+		}
+	}
+}
+
+static void bnxt_reset_task(struct bnxt *bp, bool silent)
+{
+	if (!silent)
+		bnxt_dbg_dump_states(bp);
+	if (netif_running(bp->dev)) {
+		int rc;
+
+		if (!silent)
+			bnxt_ulp_stop(bp);
+		bnxt_close_nic(bp, false, false);
+		rc = bnxt_open_nic(bp, false, false);
+		if (!silent && !rc)
+			bnxt_ulp_start(bp);
+	}
+}
+
+static void bnxt_tx_timeout(struct net_device *dev)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	netdev_err(bp->dev,  "TX timeout detected, starting reset task!\n");
+	set_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event);
+	bnxt_queue_sp_work(bp);
+}
+
+static void bnxt_timer(struct timer_list *t)
+{
+	struct bnxt *bp = from_timer(bp, t, timer);
+	struct net_device *dev = bp->dev;
+
+	if (!netif_running(dev))
+		return;
+
+	if (atomic_read(&bp->intr_sem) != 0)
+		goto bnxt_restart_timer;
+
+	if (bp->link_info.link_up && (bp->flags & BNXT_FLAG_PORT_STATS) &&
+	    bp->stats_coal_ticks) {
+		set_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event);
+		bnxt_queue_sp_work(bp);
+	}
+
+	if (bnxt_tc_flower_enabled(bp)) {
+		set_bit(BNXT_FLOW_STATS_SP_EVENT, &bp->sp_event);
+		bnxt_queue_sp_work(bp);
+	}
+
+	if (bp->link_info.phy_retry) {
+		if (time_after(jiffies, bp->link_info.phy_retry_expires)) {
+			bp->link_info.phy_retry = 0;
+			netdev_warn(bp->dev, "failed to update phy settings after maximum retries.\n");
+		} else {
+			set_bit(BNXT_UPDATE_PHY_SP_EVENT, &bp->sp_event);
+			bnxt_queue_sp_work(bp);
+		}
+	}
+bnxt_restart_timer:
+	mod_timer(&bp->timer, jiffies + bp->current_interval);
+}
+
+static void bnxt_rtnl_lock_sp(struct bnxt *bp)
+{
+	/* We are called from bnxt_sp_task which has BNXT_STATE_IN_SP_TASK
+	 * set.  If the device is being closed, bnxt_close() may be holding
+	 * rtnl() and waiting for BNXT_STATE_IN_SP_TASK to clear.  So we
+	 * must clear BNXT_STATE_IN_SP_TASK before holding rtnl().
+	 */
+	clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
+	rtnl_lock();
+}
+
+static void bnxt_rtnl_unlock_sp(struct bnxt *bp)
+{
+	set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
+	rtnl_unlock();
+}
+
+/* Only called from bnxt_sp_task() */
+static void bnxt_reset(struct bnxt *bp, bool silent)
+{
+	bnxt_rtnl_lock_sp(bp);
+	if (test_bit(BNXT_STATE_OPEN, &bp->state))
+		bnxt_reset_task(bp, silent);
+	bnxt_rtnl_unlock_sp(bp);
+}
+
+static void bnxt_cfg_ntp_filters(struct bnxt *);
+
+static void bnxt_sp_task(struct work_struct *work)
+{
+	struct bnxt *bp = container_of(work, struct bnxt, sp_task);
+
+	set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
+	smp_mb__after_atomic();
+	if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
+		clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
+		return;
+	}
+
+	if (test_and_clear_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event))
+		bnxt_cfg_rx_mode(bp);
+
+	if (test_and_clear_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event))
+		bnxt_cfg_ntp_filters(bp);
+	if (test_and_clear_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event))
+		bnxt_hwrm_exec_fwd_req(bp);
+	if (test_and_clear_bit(BNXT_VXLAN_ADD_PORT_SP_EVENT, &bp->sp_event)) {
+		bnxt_hwrm_tunnel_dst_port_alloc(
+			bp, bp->vxlan_port,
+			TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
+	}
+	if (test_and_clear_bit(BNXT_VXLAN_DEL_PORT_SP_EVENT, &bp->sp_event)) {
+		bnxt_hwrm_tunnel_dst_port_free(
+			bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
+	}
+	if (test_and_clear_bit(BNXT_GENEVE_ADD_PORT_SP_EVENT, &bp->sp_event)) {
+		bnxt_hwrm_tunnel_dst_port_alloc(
+			bp, bp->nge_port,
+			TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
+	}
+	if (test_and_clear_bit(BNXT_GENEVE_DEL_PORT_SP_EVENT, &bp->sp_event)) {
+		bnxt_hwrm_tunnel_dst_port_free(
+			bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
+	}
+	if (test_and_clear_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event)) {
+		bnxt_hwrm_port_qstats(bp);
+		bnxt_hwrm_port_qstats_ext(bp);
+	}
+
+	if (test_and_clear_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event)) {
+		int rc;
+
+		mutex_lock(&bp->link_lock);
+		if (test_and_clear_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT,
+				       &bp->sp_event))
+			bnxt_hwrm_phy_qcaps(bp);
+
+		rc = bnxt_update_link(bp, true);
+		mutex_unlock(&bp->link_lock);
+		if (rc)
+			netdev_err(bp->dev, "SP task can't update link (rc: %x)\n",
+				   rc);
+	}
+	if (test_and_clear_bit(BNXT_UPDATE_PHY_SP_EVENT, &bp->sp_event)) {
+		int rc;
+
+		mutex_lock(&bp->link_lock);
+		rc = bnxt_update_phy_setting(bp);
+		mutex_unlock(&bp->link_lock);
+		if (rc) {
+			netdev_warn(bp->dev, "update phy settings retry failed\n");
+		} else {
+			bp->link_info.phy_retry = false;
+			netdev_info(bp->dev, "update phy settings retry succeeded\n");
+		}
+	}
+	if (test_and_clear_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event)) {
+		mutex_lock(&bp->link_lock);
+		bnxt_get_port_module_status(bp);
+		mutex_unlock(&bp->link_lock);
+	}
+
+	if (test_and_clear_bit(BNXT_FLOW_STATS_SP_EVENT, &bp->sp_event))
+		bnxt_tc_flow_stats_work(bp);
+
+	/* These functions below will clear BNXT_STATE_IN_SP_TASK.  They
+	 * must be the last functions to be called before exiting.
+	 */
+	if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event))
+		bnxt_reset(bp, false);
+
+	if (test_and_clear_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event))
+		bnxt_reset(bp, true);
+
+	smp_mb__before_atomic();
+	clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
+}
+
+/* Under rtnl_lock */
+int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
+		     int tx_xdp)
+{
+	int max_rx, max_tx, tx_sets = 1;
+	int tx_rings_needed;
+	int rx_rings = rx;
+	int cp, vnics, rc;
+
+	if (tcs)
+		tx_sets = tcs;
+
+	rc = bnxt_get_max_rings(bp, &max_rx, &max_tx, sh);
+	if (rc)
+		return rc;
+
+	if (max_rx < rx)
+		return -ENOMEM;
+
+	tx_rings_needed = tx * tx_sets + tx_xdp;
+	if (max_tx < tx_rings_needed)
+		return -ENOMEM;
+
+	vnics = 1;
+	if (bp->flags & BNXT_FLAG_RFS)
+		vnics += rx_rings;
+
+	if (bp->flags & BNXT_FLAG_AGG_RINGS)
+		rx_rings <<= 1;
+	cp = sh ? max_t(int, tx_rings_needed, rx) : tx_rings_needed + rx;
+	if (BNXT_NEW_RM(bp))
+		cp += bnxt_get_ulp_msix_num(bp);
+	return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp,
+				     vnics);
+}
+
+static void bnxt_unmap_bars(struct bnxt *bp, struct pci_dev *pdev)
+{
+	if (bp->bar2) {
+		pci_iounmap(pdev, bp->bar2);
+		bp->bar2 = NULL;
+	}
+
+	if (bp->bar1) {
+		pci_iounmap(pdev, bp->bar1);
+		bp->bar1 = NULL;
+	}
+
+	if (bp->bar0) {
+		pci_iounmap(pdev, bp->bar0);
+		bp->bar0 = NULL;
+	}
+}
+
+static void bnxt_cleanup_pci(struct bnxt *bp)
+{
+	bnxt_unmap_bars(bp, bp->pdev);
+	pci_release_regions(bp->pdev);
+	pci_disable_device(bp->pdev);
+}
+
+static void bnxt_init_dflt_coal(struct bnxt *bp)
+{
+	struct bnxt_coal *coal;
+
+	/* Tick values in micro seconds.
+	 * 1 coal_buf x bufs_per_record = 1 completion record.
+	 */
+	coal = &bp->rx_coal;
+	coal->coal_ticks = 14;
+	coal->coal_bufs = 30;
+	coal->coal_ticks_irq = 1;
+	coal->coal_bufs_irq = 2;
+	coal->idle_thresh = 50;
+	coal->bufs_per_record = 2;
+	coal->budget = 64;		/* NAPI budget */
+
+	coal = &bp->tx_coal;
+	coal->coal_ticks = 28;
+	coal->coal_bufs = 30;
+	coal->coal_ticks_irq = 2;
+	coal->coal_bufs_irq = 2;
+	coal->bufs_per_record = 1;
+
+	bp->stats_coal_ticks = BNXT_DEF_STATS_COAL_TICKS;
+}
+
+static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
+{
+	int rc;
+	struct bnxt *bp = netdev_priv(dev);
+
+	SET_NETDEV_DEV(dev, &pdev->dev);
+
+	/* enable device (incl. PCI PM wakeup), and bus-mastering */
+	rc = pci_enable_device(pdev);
+	if (rc) {
+		dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
+		goto init_err;
+	}
+
+	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+		dev_err(&pdev->dev,
+			"Cannot find PCI device base address, aborting\n");
+		rc = -ENODEV;
+		goto init_err_disable;
+	}
+
+	rc = pci_request_regions(pdev, DRV_MODULE_NAME);
+	if (rc) {
+		dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
+		goto init_err_disable;
+	}
+
+	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0 &&
+	    dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
+		dev_err(&pdev->dev, "System does not support DMA, aborting\n");
+		rc = -EIO;
+		goto init_err_release;
+	}
+
+	pci_set_master(pdev);
+
+	bp->dev = dev;
+	bp->pdev = pdev;
+
+	bp->bar0 = pci_ioremap_bar(pdev, 0);
+	if (!bp->bar0) {
+		dev_err(&pdev->dev, "Cannot map device registers, aborting\n");
+		rc = -ENOMEM;
+		goto init_err_release;
+	}
+
+	bp->bar1 = pci_ioremap_bar(pdev, 2);
+	if (!bp->bar1) {
+		dev_err(&pdev->dev, "Cannot map doorbell registers, aborting\n");
+		rc = -ENOMEM;
+		goto init_err_release;
+	}
+
+	bp->bar2 = pci_ioremap_bar(pdev, 4);
+	if (!bp->bar2) {
+		dev_err(&pdev->dev, "Cannot map bar4 registers, aborting\n");
+		rc = -ENOMEM;
+		goto init_err_release;
+	}
+
+	pci_enable_pcie_error_reporting(pdev);
+
+	INIT_WORK(&bp->sp_task, bnxt_sp_task);
+
+	spin_lock_init(&bp->ntp_fltr_lock);
+
+	bp->rx_ring_size = BNXT_DEFAULT_RX_RING_SIZE;
+	bp->tx_ring_size = BNXT_DEFAULT_TX_RING_SIZE;
+
+	bnxt_init_dflt_coal(bp);
+
+	timer_setup(&bp->timer, bnxt_timer, 0);
+	bp->current_interval = BNXT_TIMER_INTERVAL;
+
+	clear_bit(BNXT_STATE_OPEN, &bp->state);
+	return 0;
+
+init_err_release:
+	bnxt_unmap_bars(bp, pdev);
+	pci_release_regions(pdev);
+
+init_err_disable:
+	pci_disable_device(pdev);
+
+init_err:
+	return rc;
+}
+
+/* rtnl_lock held */
+static int bnxt_change_mac_addr(struct net_device *dev, void *p)
+{
+	struct sockaddr *addr = p;
+	struct bnxt *bp = netdev_priv(dev);
+	int rc = 0;
+
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	if (ether_addr_equal(addr->sa_data, dev->dev_addr))
+		return 0;
+
+	rc = bnxt_approve_mac(bp, addr->sa_data, true);
+	if (rc)
+		return rc;
+
+	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+	if (netif_running(dev)) {
+		bnxt_close_nic(bp, false, false);
+		rc = bnxt_open_nic(bp, false, false);
+	}
+
+	return rc;
+}
+
+/* rtnl_lock held */
+static int bnxt_change_mtu(struct net_device *dev, int new_mtu)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	if (netif_running(dev))
+		bnxt_close_nic(bp, true, false);
+
+	dev->mtu = new_mtu;
+	bnxt_set_ring_params(bp);
+
+	if (netif_running(dev))
+		return bnxt_open_nic(bp, true, false);
+
+	return 0;
+}
+
+int bnxt_setup_mq_tc(struct net_device *dev, u8 tc)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	bool sh = false;
+	int rc;
+
+	if (tc > bp->max_tc) {
+		netdev_err(dev, "Too many traffic classes requested: %d. Max supported is %d.\n",
+			   tc, bp->max_tc);
+		return -EINVAL;
+	}
+
+	if (netdev_get_num_tc(dev) == tc)
+		return 0;
+
+	if (bp->flags & BNXT_FLAG_SHARED_RINGS)
+		sh = true;
+
+	rc = bnxt_check_rings(bp, bp->tx_nr_rings_per_tc, bp->rx_nr_rings,
+			      sh, tc, bp->tx_nr_rings_xdp);
+	if (rc)
+		return rc;
+
+	/* Needs to close the device and do hw resource re-allocations */
+	if (netif_running(bp->dev))
+		bnxt_close_nic(bp, true, false);
+
+	if (tc) {
+		bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tc;
+		netdev_set_num_tc(dev, tc);
+	} else {
+		bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
+		netdev_reset_tc(dev);
+	}
+	bp->tx_nr_rings += bp->tx_nr_rings_xdp;
+	bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
+			       bp->tx_nr_rings + bp->rx_nr_rings;
+	bp->num_stat_ctxs = bp->cp_nr_rings;
+
+	if (netif_running(bp->dev))
+		return bnxt_open_nic(bp, true, false);
+
+	return 0;
+}
+
+static int bnxt_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+				  void *cb_priv)
+{
+	struct bnxt *bp = cb_priv;
+
+	if (!bnxt_tc_flower_enabled(bp) ||
+	    !tc_cls_can_offload_and_chain0(bp->dev, type_data))
+		return -EOPNOTSUPP;
+
+	switch (type) {
+	case TC_SETUP_CLSFLOWER:
+		return bnxt_tc_setup_flower(bp, bp->pf.fw_fid, type_data);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int bnxt_setup_tc_block(struct net_device *dev,
+			       struct tc_block_offload *f)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
+		return -EOPNOTSUPP;
+
+	switch (f->command) {
+	case TC_BLOCK_BIND:
+		return tcf_block_cb_register(f->block, bnxt_setup_tc_block_cb,
+					     bp, bp, f->extack);
+	case TC_BLOCK_UNBIND:
+		tcf_block_cb_unregister(f->block, bnxt_setup_tc_block_cb, bp);
+		return 0;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int bnxt_setup_tc(struct net_device *dev, enum tc_setup_type type,
+			 void *type_data)
+{
+	switch (type) {
+	case TC_SETUP_BLOCK:
+		return bnxt_setup_tc_block(dev, type_data);
+	case TC_SETUP_QDISC_MQPRIO: {
+		struct tc_mqprio_qopt *mqprio = type_data;
+
+		mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
+
+		return bnxt_setup_mq_tc(dev, mqprio->num_tc);
+	}
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+#ifdef CONFIG_RFS_ACCEL
+static bool bnxt_fltr_match(struct bnxt_ntuple_filter *f1,
+			    struct bnxt_ntuple_filter *f2)
+{
+	struct flow_keys *keys1 = &f1->fkeys;
+	struct flow_keys *keys2 = &f2->fkeys;
+
+	if (keys1->basic.n_proto != keys2->basic.n_proto ||
+	    keys1->basic.ip_proto != keys2->basic.ip_proto)
+		return false;
+
+	if (keys1->basic.n_proto == htons(ETH_P_IP)) {
+		if (keys1->addrs.v4addrs.src != keys2->addrs.v4addrs.src ||
+		    keys1->addrs.v4addrs.dst != keys2->addrs.v4addrs.dst)
+			return false;
+	} else {
+		if (memcmp(&keys1->addrs.v6addrs.src, &keys2->addrs.v6addrs.src,
+			   sizeof(keys1->addrs.v6addrs.src)) ||
+		    memcmp(&keys1->addrs.v6addrs.dst, &keys2->addrs.v6addrs.dst,
+			   sizeof(keys1->addrs.v6addrs.dst)))
+			return false;
+	}
+
+	if (keys1->ports.ports == keys2->ports.ports &&
+	    keys1->control.flags == keys2->control.flags &&
+	    ether_addr_equal(f1->src_mac_addr, f2->src_mac_addr) &&
+	    ether_addr_equal(f1->dst_mac_addr, f2->dst_mac_addr))
+		return true;
+
+	return false;
+}
+
+static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
+			      u16 rxq_index, u32 flow_id)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct bnxt_ntuple_filter *fltr, *new_fltr;
+	struct flow_keys *fkeys;
+	struct ethhdr *eth = (struct ethhdr *)skb_mac_header(skb);
+	int rc = 0, idx, bit_id, l2_idx = 0;
+	struct hlist_head *head;
+
+	if (!ether_addr_equal(dev->dev_addr, eth->h_dest)) {
+		struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+		int off = 0, j;
+
+		netif_addr_lock_bh(dev);
+		for (j = 0; j < vnic->uc_filter_count; j++, off += ETH_ALEN) {
+			if (ether_addr_equal(eth->h_dest,
+					     vnic->uc_list + off)) {
+				l2_idx = j + 1;
+				break;
+			}
+		}
+		netif_addr_unlock_bh(dev);
+		if (!l2_idx)
+			return -EINVAL;
+	}
+	new_fltr = kzalloc(sizeof(*new_fltr), GFP_ATOMIC);
+	if (!new_fltr)
+		return -ENOMEM;
+
+	fkeys = &new_fltr->fkeys;
+	if (!skb_flow_dissect_flow_keys(skb, fkeys, 0)) {
+		rc = -EPROTONOSUPPORT;
+		goto err_free;
+	}
+
+	if ((fkeys->basic.n_proto != htons(ETH_P_IP) &&
+	     fkeys->basic.n_proto != htons(ETH_P_IPV6)) ||
+	    ((fkeys->basic.ip_proto != IPPROTO_TCP) &&
+	     (fkeys->basic.ip_proto != IPPROTO_UDP))) {
+		rc = -EPROTONOSUPPORT;
+		goto err_free;
+	}
+	if (fkeys->basic.n_proto == htons(ETH_P_IPV6) &&
+	    bp->hwrm_spec_code < 0x10601) {
+		rc = -EPROTONOSUPPORT;
+		goto err_free;
+	}
+	if ((fkeys->control.flags & FLOW_DIS_ENCAPSULATION) &&
+	    bp->hwrm_spec_code < 0x10601) {
+		rc = -EPROTONOSUPPORT;
+		goto err_free;
+	}
+
+	memcpy(new_fltr->dst_mac_addr, eth->h_dest, ETH_ALEN);
+	memcpy(new_fltr->src_mac_addr, eth->h_source, ETH_ALEN);
+
+	idx = skb_get_hash_raw(skb) & BNXT_NTP_FLTR_HASH_MASK;
+	head = &bp->ntp_fltr_hash_tbl[idx];
+	rcu_read_lock();
+	hlist_for_each_entry_rcu(fltr, head, hash) {
+		if (bnxt_fltr_match(fltr, new_fltr)) {
+			rcu_read_unlock();
+			rc = 0;
+			goto err_free;
+		}
+	}
+	rcu_read_unlock();
+
+	spin_lock_bh(&bp->ntp_fltr_lock);
+	bit_id = bitmap_find_free_region(bp->ntp_fltr_bmap,
+					 BNXT_NTP_FLTR_MAX_FLTR, 0);
+	if (bit_id < 0) {
+		spin_unlock_bh(&bp->ntp_fltr_lock);
+		rc = -ENOMEM;
+		goto err_free;
+	}
+
+	new_fltr->sw_id = (u16)bit_id;
+	new_fltr->flow_id = flow_id;
+	new_fltr->l2_fltr_idx = l2_idx;
+	new_fltr->rxq = rxq_index;
+	hlist_add_head_rcu(&new_fltr->hash, head);
+	bp->ntp_fltr_count++;
+	spin_unlock_bh(&bp->ntp_fltr_lock);
+
+	set_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event);
+	bnxt_queue_sp_work(bp);
+
+	return new_fltr->sw_id;
+
+err_free:
+	kfree(new_fltr);
+	return rc;
+}
+
+static void bnxt_cfg_ntp_filters(struct bnxt *bp)
+{
+	int i;
+
+	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
+		struct hlist_head *head;
+		struct hlist_node *tmp;
+		struct bnxt_ntuple_filter *fltr;
+		int rc;
+
+		head = &bp->ntp_fltr_hash_tbl[i];
+		hlist_for_each_entry_safe(fltr, tmp, head, hash) {
+			bool del = false;
+
+			if (test_bit(BNXT_FLTR_VALID, &fltr->state)) {
+				if (rps_may_expire_flow(bp->dev, fltr->rxq,
+							fltr->flow_id,
+							fltr->sw_id)) {
+					bnxt_hwrm_cfa_ntuple_filter_free(bp,
+									 fltr);
+					del = true;
+				}
+			} else {
+				rc = bnxt_hwrm_cfa_ntuple_filter_alloc(bp,
+								       fltr);
+				if (rc)
+					del = true;
+				else
+					set_bit(BNXT_FLTR_VALID, &fltr->state);
+			}
+
+			if (del) {
+				spin_lock_bh(&bp->ntp_fltr_lock);
+				hlist_del_rcu(&fltr->hash);
+				bp->ntp_fltr_count--;
+				spin_unlock_bh(&bp->ntp_fltr_lock);
+				synchronize_rcu();
+				clear_bit(fltr->sw_id, bp->ntp_fltr_bmap);
+				kfree(fltr);
+			}
+		}
+	}
+	if (test_and_clear_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event))
+		netdev_info(bp->dev, "Receive PF driver unload event!");
+}
+
+#else
+
+static void bnxt_cfg_ntp_filters(struct bnxt *bp)
+{
+}
+
+#endif /* CONFIG_RFS_ACCEL */
+
+static void bnxt_udp_tunnel_add(struct net_device *dev,
+				struct udp_tunnel_info *ti)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	if (ti->sa_family != AF_INET6 && ti->sa_family != AF_INET)
+		return;
+
+	if (!netif_running(dev))
+		return;
+
+	switch (ti->type) {
+	case UDP_TUNNEL_TYPE_VXLAN:
+		if (bp->vxlan_port_cnt && bp->vxlan_port != ti->port)
+			return;
+
+		bp->vxlan_port_cnt++;
+		if (bp->vxlan_port_cnt == 1) {
+			bp->vxlan_port = ti->port;
+			set_bit(BNXT_VXLAN_ADD_PORT_SP_EVENT, &bp->sp_event);
+			bnxt_queue_sp_work(bp);
+		}
+		break;
+	case UDP_TUNNEL_TYPE_GENEVE:
+		if (bp->nge_port_cnt && bp->nge_port != ti->port)
+			return;
+
+		bp->nge_port_cnt++;
+		if (bp->nge_port_cnt == 1) {
+			bp->nge_port = ti->port;
+			set_bit(BNXT_GENEVE_ADD_PORT_SP_EVENT, &bp->sp_event);
+		}
+		break;
+	default:
+		return;
+	}
+
+	bnxt_queue_sp_work(bp);
+}
+
+static void bnxt_udp_tunnel_del(struct net_device *dev,
+				struct udp_tunnel_info *ti)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	if (ti->sa_family != AF_INET6 && ti->sa_family != AF_INET)
+		return;
+
+	if (!netif_running(dev))
+		return;
+
+	switch (ti->type) {
+	case UDP_TUNNEL_TYPE_VXLAN:
+		if (!bp->vxlan_port_cnt || bp->vxlan_port != ti->port)
+			return;
+		bp->vxlan_port_cnt--;
+
+		if (bp->vxlan_port_cnt != 0)
+			return;
+
+		set_bit(BNXT_VXLAN_DEL_PORT_SP_EVENT, &bp->sp_event);
+		break;
+	case UDP_TUNNEL_TYPE_GENEVE:
+		if (!bp->nge_port_cnt || bp->nge_port != ti->port)
+			return;
+		bp->nge_port_cnt--;
+
+		if (bp->nge_port_cnt != 0)
+			return;
+
+		set_bit(BNXT_GENEVE_DEL_PORT_SP_EVENT, &bp->sp_event);
+		break;
+	default:
+		return;
+	}
+
+	bnxt_queue_sp_work(bp);
+}
+
+static int bnxt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
+			       struct net_device *dev, u32 filter_mask,
+			       int nlflags)
+{
+	struct bnxt *bp = netdev_priv(dev);
+
+	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bp->br_mode, 0, 0,
+				       nlflags, filter_mask, NULL);
+}
+
+static int bnxt_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
+			       u16 flags)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	struct nlattr *attr, *br_spec;
+	int rem, rc = 0;
+
+	if (bp->hwrm_spec_code < 0x10708 || !BNXT_SINGLE_PF(bp))
+		return -EOPNOTSUPP;
+
+	br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+	if (!br_spec)
+		return -EINVAL;
+
+	nla_for_each_nested(attr, br_spec, rem) {
+		u16 mode;
+
+		if (nla_type(attr) != IFLA_BRIDGE_MODE)
+			continue;
+
+		if (nla_len(attr) < sizeof(mode))
+			return -EINVAL;
+
+		mode = nla_get_u16(attr);
+		if (mode == bp->br_mode)
+			break;
+
+		rc = bnxt_hwrm_set_br_mode(bp, mode);
+		if (!rc)
+			bp->br_mode = mode;
+		break;
+	}
+	return rc;
+}
+
+static int bnxt_get_phys_port_name(struct net_device *dev, char *buf,
+				   size_t len)
+{
+	struct bnxt *bp = netdev_priv(dev);
+	int rc;
+
+	/* The PF and it's VF-reps only support the switchdev framework */
+	if (!BNXT_PF(bp))
+		return -EOPNOTSUPP;
+
+	rc = snprintf(buf, len, "p%d", bp->pf.port_id);
+
+	if (rc >= len)
+		return -EOPNOTSUPP;
+	return 0;
+}
+
+int bnxt_port_attr_get(struct bnxt *bp, struct switchdev_attr *attr)
+{
+	if (bp->eswitch_mode != DEVLINK_ESWITCH_MODE_SWITCHDEV)
+		return -EOPNOTSUPP;
+
+	/* The PF and it's VF-reps only support the switchdev framework */
+	if (!BNXT_PF(bp))
+		return -EOPNOTSUPP;
+
+	switch (attr->id) {
+	case SWITCHDEV_ATTR_ID_PORT_PARENT_ID:
+		attr->u.ppid.id_len = sizeof(bp->switch_id);
+		memcpy(attr->u.ppid.id, bp->switch_id, attr->u.ppid.id_len);
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+	return 0;
+}
+
+static int bnxt_swdev_port_attr_get(struct net_device *dev,
+				    struct switchdev_attr *attr)
+{
+	return bnxt_port_attr_get(netdev_priv(dev), attr);
+}
+
+static const struct switchdev_ops bnxt_switchdev_ops = {
+	.switchdev_port_attr_get	= bnxt_swdev_port_attr_get
+};
+
+static const struct net_device_ops bnxt_netdev_ops = {
+	.ndo_open		= bnxt_open,
+	.ndo_start_xmit		= bnxt_start_xmit,
+	.ndo_stop		= bnxt_close,
+	.ndo_get_stats64	= bnxt_get_stats64,
+	.ndo_set_rx_mode	= bnxt_set_rx_mode,
+	.ndo_do_ioctl		= bnxt_ioctl,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address	= bnxt_change_mac_addr,
+	.ndo_change_mtu		= bnxt_change_mtu,
+	.ndo_fix_features	= bnxt_fix_features,
+	.ndo_set_features	= bnxt_set_features,
+	.ndo_tx_timeout		= bnxt_tx_timeout,
+#ifdef CONFIG_BNXT_SRIOV
+	.ndo_get_vf_config	= bnxt_get_vf_config,
+	.ndo_set_vf_mac		= bnxt_set_vf_mac,
+	.ndo_set_vf_vlan	= bnxt_set_vf_vlan,
+	.ndo_set_vf_rate	= bnxt_set_vf_bw,
+	.ndo_set_vf_link_state	= bnxt_set_vf_link_state,
+	.ndo_set_vf_spoofchk	= bnxt_set_vf_spoofchk,
+	.ndo_set_vf_trust	= bnxt_set_vf_trust,
+#endif
+	.ndo_setup_tc           = bnxt_setup_tc,
+#ifdef CONFIG_RFS_ACCEL
+	.ndo_rx_flow_steer	= bnxt_rx_flow_steer,
+#endif
+	.ndo_udp_tunnel_add	= bnxt_udp_tunnel_add,
+	.ndo_udp_tunnel_del	= bnxt_udp_tunnel_del,
+	.ndo_bpf		= bnxt_xdp,
+	.ndo_bridge_getlink	= bnxt_bridge_getlink,
+	.ndo_bridge_setlink	= bnxt_bridge_setlink,
+	.ndo_get_phys_port_name = bnxt_get_phys_port_name
+};
+
+static void bnxt_remove_one(struct pci_dev *pdev)
+{
+	struct net_device *dev = pci_get_drvdata(pdev);
+	struct bnxt *bp = netdev_priv(dev);
+
+	if (BNXT_PF(bp)) {
+		bnxt_sriov_disable(bp);
+		bnxt_dl_unregister(bp);
+	}
+
+	pci_disable_pcie_error_reporting(pdev);
+	unregister_netdev(dev);
+	bnxt_shutdown_tc(bp);
+	bnxt_cancel_sp_work(bp);
+	bp->sp_event = 0;
+
+	bnxt_clear_int_mode(bp);
+	bnxt_hwrm_func_drv_unrgtr(bp);
+	bnxt_free_hwrm_resources(bp);
+	bnxt_free_hwrm_short_cmd_req(bp);
+	bnxt_ethtool_free(bp);
+	bnxt_dcb_free(bp);
+	kfree(bp->edev);
+	bp->edev = NULL;
+	bnxt_cleanup_pci(bp);
+	free_netdev(dev);
+}
+
+static int bnxt_probe_phy(struct bnxt *bp)
+{
+	int rc = 0;
+	struct bnxt_link_info *link_info = &bp->link_info;
+
+	rc = bnxt_hwrm_phy_qcaps(bp);
+	if (rc) {
+		netdev_err(bp->dev, "Probe phy can't get phy capabilities (rc: %x)\n",
+			   rc);
+		return rc;
+	}
+	mutex_init(&bp->link_lock);
+
+	rc = bnxt_update_link(bp, false);
+	if (rc) {
+		netdev_err(bp->dev, "Probe phy can't update link (rc: %x)\n",
+			   rc);
+		return rc;
+	}
+
+	/* Older firmware does not have supported_auto_speeds, so assume
+	 * that all supported speeds can be autonegotiated.
+	 */
+	if (link_info->auto_link_speeds && !link_info->support_auto_speeds)
+		link_info->support_auto_speeds = link_info->support_speeds;
+
+	/*initialize the ethool setting copy with NVM settings */
+	if (BNXT_AUTO_MODE(link_info->auto_mode)) {
+		link_info->autoneg = BNXT_AUTONEG_SPEED;
+		if (bp->hwrm_spec_code >= 0x10201) {
+			if (link_info->auto_pause_setting &
+			    PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE)
+				link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
+		} else {
+			link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
+		}
+		link_info->advertising = link_info->auto_link_speeds;
+	} else {
+		link_info->req_link_speed = link_info->force_link_speed;
+		link_info->req_duplex = link_info->duplex_setting;
+	}
+	if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
+		link_info->req_flow_ctrl =
+			link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH;
+	else
+		link_info->req_flow_ctrl = link_info->force_pause_setting;
+	return rc;
+}
+
+static int bnxt_get_max_irq(struct pci_dev *pdev)
+{
+	u16 ctrl;
+
+	if (!pdev->msix_cap)
+		return 1;
+
+	pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &ctrl);
+	return (ctrl & PCI_MSIX_FLAGS_QSIZE) + 1;
+}
+
+static void _bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx,
+				int *max_cp)
+{
+	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+	int max_ring_grps = 0;
+
+	*max_tx = hw_resc->max_tx_rings;
+	*max_rx = hw_resc->max_rx_rings;
+	*max_cp = min_t(int, bnxt_get_max_func_cp_rings_for_en(bp),
+			hw_resc->max_irqs - bnxt_get_ulp_msix_num(bp));
+	*max_cp = min_t(int, *max_cp, hw_resc->max_stat_ctxs);
+	max_ring_grps = hw_resc->max_hw_ring_grps;
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp) && BNXT_PF(bp)) {
+		*max_cp -= 1;
+		*max_rx -= 2;
+	}
+	if (bp->flags & BNXT_FLAG_AGG_RINGS)
+		*max_rx >>= 1;
+	*max_rx = min_t(int, *max_rx, max_ring_grps);
+}
+
+int bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx, bool shared)
+{
+	int rx, tx, cp;
+
+	_bnxt_get_max_rings(bp, &rx, &tx, &cp);
+	*max_rx = rx;
+	*max_tx = tx;
+	if (!rx || !tx || !cp)
+		return -ENOMEM;
+
+	return bnxt_trim_rings(bp, max_rx, max_tx, cp, shared);
+}
+
+static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx,
+			       bool shared)
+{
+	int rc;
+
+	rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared);
+	if (rc && (bp->flags & BNXT_FLAG_AGG_RINGS)) {
+		/* Not enough rings, try disabling agg rings. */
+		bp->flags &= ~BNXT_FLAG_AGG_RINGS;
+		rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared);
+		if (rc) {
+			/* set BNXT_FLAG_AGG_RINGS back for consistency */
+			bp->flags |= BNXT_FLAG_AGG_RINGS;
+			return rc;
+		}
+		bp->flags |= BNXT_FLAG_NO_AGG_RINGS;
+		bp->dev->hw_features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
+		bp->dev->features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
+		bnxt_set_ring_params(bp);
+	}
+
+	if (bp->flags & BNXT_FLAG_ROCE_CAP) {
+		int max_cp, max_stat, max_irq;
+
+		/* Reserve minimum resources for RoCE */
+		max_cp = bnxt_get_max_func_cp_rings(bp);
+		max_stat = bnxt_get_max_func_stat_ctxs(bp);
+		max_irq = bnxt_get_max_func_irqs(bp);
+		if (max_cp <= BNXT_MIN_ROCE_CP_RINGS ||
+		    max_irq <= BNXT_MIN_ROCE_CP_RINGS ||
+		    max_stat <= BNXT_MIN_ROCE_STAT_CTXS)
+			return 0;
+
+		max_cp -= BNXT_MIN_ROCE_CP_RINGS;
+		max_irq -= BNXT_MIN_ROCE_CP_RINGS;
+		max_stat -= BNXT_MIN_ROCE_STAT_CTXS;
+		max_cp = min_t(int, max_cp, max_irq);
+		max_cp = min_t(int, max_cp, max_stat);
+		rc = bnxt_trim_rings(bp, max_rx, max_tx, max_cp, shared);
+		if (rc)
+			rc = 0;
+	}
+	return rc;
+}
+
+/* In initial default shared ring setting, each shared ring must have a
+ * RX/TX ring pair.
+ */
+static void bnxt_trim_dflt_sh_rings(struct bnxt *bp)
+{
+	bp->cp_nr_rings = min_t(int, bp->tx_nr_rings_per_tc, bp->rx_nr_rings);
+	bp->rx_nr_rings = bp->cp_nr_rings;
+	bp->tx_nr_rings_per_tc = bp->cp_nr_rings;
+	bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
+}
+
+static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh)
+{
+	int dflt_rings, max_rx_rings, max_tx_rings, rc;
+
+	if (!bnxt_can_reserve_rings(bp))
+		return 0;
+
+	if (sh)
+		bp->flags |= BNXT_FLAG_SHARED_RINGS;
+	dflt_rings = netif_get_num_default_rss_queues();
+	/* Reduce default rings on multi-port cards so that total default
+	 * rings do not exceed CPU count.
+	 */
+	if (bp->port_count > 1) {
+		int max_rings =
+			max_t(int, num_online_cpus() / bp->port_count, 1);
+
+		dflt_rings = min_t(int, dflt_rings, max_rings);
+	}
+	rc = bnxt_get_dflt_rings(bp, &max_rx_rings, &max_tx_rings, sh);
+	if (rc)
+		return rc;
+	bp->rx_nr_rings = min_t(int, dflt_rings, max_rx_rings);
+	bp->tx_nr_rings_per_tc = min_t(int, dflt_rings, max_tx_rings);
+	if (sh)
+		bnxt_trim_dflt_sh_rings(bp);
+	else
+		bp->cp_nr_rings = bp->tx_nr_rings_per_tc + bp->rx_nr_rings;
+	bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
+
+	rc = __bnxt_reserve_rings(bp);
+	if (rc)
+		netdev_warn(bp->dev, "Unable to reserve tx rings\n");
+	bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
+	if (sh)
+		bnxt_trim_dflt_sh_rings(bp);
+
+	/* Rings may have been trimmed, re-reserve the trimmed rings. */
+	if (bnxt_need_reserve_rings(bp)) {
+		rc = __bnxt_reserve_rings(bp);
+		if (rc)
+			netdev_warn(bp->dev, "2nd rings reservation failed.\n");
+		bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
+	}
+	bp->num_stat_ctxs = bp->cp_nr_rings;
+	if (BNXT_CHIP_TYPE_NITRO_A0(bp)) {
+		bp->rx_nr_rings++;
+		bp->cp_nr_rings++;
+	}
+	if (rc) {
+		bp->tx_nr_rings = 0;
+		bp->rx_nr_rings = 0;
+	}
+	return rc;
+}
+
+static int bnxt_init_dflt_ring_mode(struct bnxt *bp)
+{
+	int rc;
+
+	if (bp->tx_nr_rings)
+		return 0;
+
+	bnxt_ulp_irq_stop(bp);
+	bnxt_clear_int_mode(bp);
+	rc = bnxt_set_dflt_rings(bp, true);
+	if (rc) {
+		netdev_err(bp->dev, "Not enough rings available.\n");
+		goto init_dflt_ring_err;
+	}
+	rc = bnxt_init_int_mode(bp);
+	if (rc)
+		goto init_dflt_ring_err;
+
+	bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
+	if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) {
+		bp->flags |= BNXT_FLAG_RFS;
+		bp->dev->features |= NETIF_F_NTUPLE;
+	}
+init_dflt_ring_err:
+	bnxt_ulp_irq_restart(bp, rc);
+	return rc;
+}
+
+int bnxt_restore_pf_fw_resources(struct bnxt *bp)
+{
+	int rc;
+
+	ASSERT_RTNL();
+	bnxt_hwrm_func_qcaps(bp);
+
+	if (netif_running(bp->dev))
+		__bnxt_close_nic(bp, true, false);
+
+	bnxt_ulp_irq_stop(bp);
+	bnxt_clear_int_mode(bp);
+	rc = bnxt_init_int_mode(bp);
+	bnxt_ulp_irq_restart(bp, rc);
+
+	if (netif_running(bp->dev)) {
+		if (rc)
+			dev_close(bp->dev);
+		else
+			rc = bnxt_open_nic(bp, true, false);
+	}
+
+	return rc;
+}
+
+static int bnxt_init_mac_addr(struct bnxt *bp)
+{
+	int rc = 0;
+
+	if (BNXT_PF(bp)) {
+		memcpy(bp->dev->dev_addr, bp->pf.mac_addr, ETH_ALEN);
+	} else {
+#ifdef CONFIG_BNXT_SRIOV
+		struct bnxt_vf_info *vf = &bp->vf;
+		bool strict_approval = true;
+
+		if (is_valid_ether_addr(vf->mac_addr)) {
+			/* overwrite netdev dev_addr with admin VF MAC */
+			memcpy(bp->dev->dev_addr, vf->mac_addr, ETH_ALEN);
+			/* Older PF driver or firmware may not approve this
+			 * correctly.
+			 */
+			strict_approval = false;
+		} else {
+			eth_hw_addr_random(bp->dev);
+		}
+		rc = bnxt_approve_mac(bp, bp->dev->dev_addr, strict_approval);
+#endif
+	}
+	return rc;
+}
+
+static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	static int version_printed;
+	struct net_device *dev;
+	struct bnxt *bp;
+	int rc, max_irqs;
+
+	if (pci_is_bridge(pdev))
+		return -ENODEV;
+
+	if (version_printed++ == 0)
+		pr_info("%s", version);
+
+	max_irqs = bnxt_get_max_irq(pdev);
+	dev = alloc_etherdev_mq(sizeof(*bp), max_irqs);
+	if (!dev)
+		return -ENOMEM;
+
+	bp = netdev_priv(dev);
+
+	if (bnxt_vf_pciid(ent->driver_data))
+		bp->flags |= BNXT_FLAG_VF;
+
+	if (pdev->msix_cap)
+		bp->flags |= BNXT_FLAG_MSIX_CAP;
+
+	rc = bnxt_init_board(pdev, dev);
+	if (rc < 0)
+		goto init_err_free;
+
+	dev->netdev_ops = &bnxt_netdev_ops;
+	dev->watchdog_timeo = BNXT_TX_TIMEOUT;
+	dev->ethtool_ops = &bnxt_ethtool_ops;
+	SWITCHDEV_SET_OPS(dev, &bnxt_switchdev_ops);
+	pci_set_drvdata(pdev, dev);
+
+	rc = bnxt_alloc_hwrm_resources(bp);
+	if (rc)
+		goto init_err_pci_clean;
+
+	mutex_init(&bp->hwrm_cmd_lock);
+	rc = bnxt_hwrm_ver_get(bp);
+	if (rc)
+		goto init_err_pci_clean;
+
+	if (bp->fw_cap & BNXT_FW_CAP_SHORT_CMD) {
+		rc = bnxt_alloc_hwrm_short_cmd_req(bp);
+		if (rc)
+			goto init_err_pci_clean;
+	}
+
+	rc = bnxt_hwrm_func_reset(bp);
+	if (rc)
+		goto init_err_pci_clean;
+
+	bnxt_hwrm_fw_set_time(bp);
+
+	dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
+			   NETIF_F_TSO | NETIF_F_TSO6 |
+			   NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
+			   NETIF_F_GSO_IPXIP4 |
+			   NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM |
+			   NETIF_F_GSO_PARTIAL | NETIF_F_RXHASH |
+			   NETIF_F_RXCSUM | NETIF_F_GRO;
+
+	if (!BNXT_CHIP_TYPE_NITRO_A0(bp))
+		dev->hw_features |= NETIF_F_LRO;
+
+	dev->hw_enc_features =
+			NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
+			NETIF_F_TSO | NETIF_F_TSO6 |
+			NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
+			NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM |
+			NETIF_F_GSO_IPXIP4 | NETIF_F_GSO_PARTIAL;
+	dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM |
+				    NETIF_F_GSO_GRE_CSUM;
+	dev->vlan_features = dev->hw_features | NETIF_F_HIGHDMA;
+	dev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX |
+			    NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX;
+	if (!BNXT_CHIP_TYPE_NITRO_A0(bp))
+		dev->hw_features |= NETIF_F_GRO_HW;
+	dev->features |= dev->hw_features | NETIF_F_HIGHDMA;
+	if (dev->features & NETIF_F_GRO_HW)
+		dev->features &= ~NETIF_F_LRO;
+	dev->priv_flags |= IFF_UNICAST_FLT;
+
+#ifdef CONFIG_BNXT_SRIOV
+	init_waitqueue_head(&bp->sriov_cfg_wait);
+	mutex_init(&bp->sriov_lock);
+#endif
+	bp->gro_func = bnxt_gro_func_5730x;
+	if (BNXT_CHIP_P4_PLUS(bp))
+		bp->gro_func = bnxt_gro_func_5731x;
+	else
+		bp->flags |= BNXT_FLAG_DOUBLE_DB;
+
+	rc = bnxt_hwrm_func_drv_rgtr(bp);
+	if (rc)
+		goto init_err_pci_clean;
+
+	rc = bnxt_hwrm_func_rgtr_async_events(bp, NULL, 0);
+	if (rc)
+		goto init_err_pci_clean;
+
+	bp->ulp_probe = bnxt_ulp_probe;
+
+	/* Get the MAX capabilities for this function */
+	rc = bnxt_hwrm_func_qcaps(bp);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm query capability failure rc: %x\n",
+			   rc);
+		rc = -1;
+		goto init_err_pci_clean;
+	}
+	rc = bnxt_init_mac_addr(bp);
+	if (rc) {
+		dev_err(&pdev->dev, "Unable to initialize mac address.\n");
+		rc = -EADDRNOTAVAIL;
+		goto init_err_pci_clean;
+	}
+	rc = bnxt_hwrm_queue_qportcfg(bp);
+	if (rc) {
+		netdev_err(bp->dev, "hwrm query qportcfg failure rc: %x\n",
+			   rc);
+		rc = -1;
+		goto init_err_pci_clean;
+	}
+
+	bnxt_hwrm_func_qcfg(bp);
+	bnxt_hwrm_port_led_qcaps(bp);
+	bnxt_ethtool_init(bp);
+	bnxt_dcb_init(bp);
+
+	/* MTU range: 60 - FW defined max */
+	dev->min_mtu = ETH_ZLEN;
+	dev->max_mtu = bp->max_mtu;
+
+	rc = bnxt_probe_phy(bp);
+	if (rc)
+		goto init_err_pci_clean;
+
+	bnxt_set_rx_skb_mode(bp, false);
+	bnxt_set_tpa_flags(bp);
+	bnxt_set_ring_params(bp);
+	bnxt_set_max_func_irqs(bp, max_irqs);
+	rc = bnxt_set_dflt_rings(bp, true);
+	if (rc) {
+		netdev_err(bp->dev, "Not enough rings available.\n");
+		rc = -ENOMEM;
+		goto init_err_pci_clean;
+	}
+
+	/* Default RSS hash cfg. */
+	bp->rss_hash_cfg = VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4 |
+			   VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4 |
+			   VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6 |
+			   VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
+	if (BNXT_CHIP_P4_PLUS(bp) && bp->hwrm_spec_code >= 0x10501) {
+		bp->flags |= BNXT_FLAG_UDP_RSS_CAP;
+		bp->rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4 |
+				    VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
+	}
+
+	bnxt_hwrm_vnic_qcaps(bp);
+	if (bnxt_rfs_supported(bp)) {
+		dev->hw_features |= NETIF_F_NTUPLE;
+		if (bnxt_rfs_capable(bp)) {
+			bp->flags |= BNXT_FLAG_RFS;
+			dev->features |= NETIF_F_NTUPLE;
+		}
+	}
+
+	if (dev->hw_features & NETIF_F_HW_VLAN_CTAG_RX)
+		bp->flags |= BNXT_FLAG_STRIP_VLAN;
+
+	rc = bnxt_init_int_mode(bp);
+	if (rc)
+		goto init_err_pci_clean;
+
+	/* No TC has been set yet and rings may have been trimmed due to
+	 * limited MSIX, so we re-initialize the TX rings per TC.
+	 */
+	bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
+
+	bnxt_get_wol_settings(bp);
+	if (bp->flags & BNXT_FLAG_WOL_CAP)
+		device_set_wakeup_enable(&pdev->dev, bp->wol);
+	else
+		device_set_wakeup_capable(&pdev->dev, false);
+
+	bnxt_hwrm_set_cache_line_size(bp, cache_line_size());
+
+	if (BNXT_PF(bp)) {
+		if (!bnxt_pf_wq) {
+			bnxt_pf_wq =
+				create_singlethread_workqueue("bnxt_pf_wq");
+			if (!bnxt_pf_wq) {
+				dev_err(&pdev->dev, "Unable to create workqueue.\n");
+				rc = -ENOMEM;
+				goto init_err_pci_clean;
+			}
+		}
+		bnxt_init_tc(bp);
+	}
+
+	rc = register_netdev(dev);
+	if (rc)
+		goto init_err_cleanup_tc;
+
+	if (BNXT_PF(bp))
+		bnxt_dl_register(bp);
+
+	netdev_info(dev, "%s found at mem %lx, node addr %pM\n",
+		    board_info[ent->driver_data].name,
+		    (long)pci_resource_start(pdev, 0), dev->dev_addr);
+	pcie_print_link_status(pdev);
+
+	pci_save_state(pdev);
+	return 0;
+
+init_err_cleanup_tc:
+	bnxt_shutdown_tc(bp);
+	bnxt_clear_int_mode(bp);
+
+init_err_pci_clean:
+	bnxt_free_hwrm_short_cmd_req(bp);
+	bnxt_free_hwrm_resources(bp);
+	bnxt_cleanup_pci(bp);
+
+init_err_free:
+	free_netdev(dev);
+	return rc;
+}
+
+static void bnxt_shutdown(struct pci_dev *pdev)
+{
+	struct net_device *dev = pci_get_drvdata(pdev);
+	struct bnxt *bp;
+
+	if (!dev)
+		return;
+
+	rtnl_lock();
+	bp = netdev_priv(dev);
+	if (!bp)
+		goto shutdown_exit;
+
+	if (netif_running(dev))
+		dev_close(dev);
+
+	bnxt_ulp_shutdown(bp);
+
+	if (system_state == SYSTEM_POWER_OFF) {
+		bnxt_clear_int_mode(bp);
+		pci_wake_from_d3(pdev, bp->wol);
+		pci_set_power_state(pdev, PCI_D3hot);
+	}
+
+shutdown_exit:
+	rtnl_unlock();
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int bnxt_suspend(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct net_device *dev = pci_get_drvdata(pdev);
+	struct bnxt *bp = netdev_priv(dev);
+	int rc = 0;
+
+	rtnl_lock();
+	if (netif_running(dev)) {
+		netif_device_detach(dev);
+		rc = bnxt_close(dev);
+	}
+	bnxt_hwrm_func_drv_unrgtr(bp);
+	rtnl_unlock();
+	return rc;
+}
+
+static int bnxt_resume(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct net_device *dev = pci_get_drvdata(pdev);
+	struct bnxt *bp = netdev_priv(dev);
+	int rc = 0;
+
+	rtnl_lock();
+	if (bnxt_hwrm_ver_get(bp) || bnxt_hwrm_func_drv_rgtr(bp)) {
+		rc = -ENODEV;
+		goto resume_exit;
+	}
+	rc = bnxt_hwrm_func_reset(bp);
+	if (rc) {
+		rc = -EBUSY;
+		goto resume_exit;
+	}
+	bnxt_get_wol_settings(bp);
+	if (netif_running(dev)) {
+		rc = bnxt_open(dev);
+		if (!rc)
+			netif_device_attach(dev);
+	}
+
+resume_exit:
+	rtnl_unlock();
+	return rc;
+}
+
+static SIMPLE_DEV_PM_OPS(bnxt_pm_ops, bnxt_suspend, bnxt_resume);
+#define BNXT_PM_OPS (&bnxt_pm_ops)
+
+#else
+
+#define BNXT_PM_OPS NULL
+
+#endif /* CONFIG_PM_SLEEP */
+
+/**
+ * bnxt_io_error_detected - called when PCI error is detected
+ * @pdev: Pointer to PCI device
+ * @state: The current pci connection state
+ *
+ * This function is called after a PCI bus error affecting
+ * this device has been detected.
+ */
+static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev,
+					       pci_channel_state_t state)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct bnxt *bp = netdev_priv(netdev);
+
+	netdev_info(netdev, "PCI I/O error detected\n");
+
+	rtnl_lock();
+	netif_device_detach(netdev);
+
+	bnxt_ulp_stop(bp);
+
+	if (state == pci_channel_io_perm_failure) {
+		rtnl_unlock();
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	if (netif_running(netdev))
+		bnxt_close(netdev);
+
+	pci_disable_device(pdev);
+	rtnl_unlock();
+
+	/* Request a slot slot reset. */
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * bnxt_io_slot_reset - called after the pci bus has been reset.
+ * @pdev: Pointer to PCI device
+ *
+ * Restart the card from scratch, as if from a cold-boot.
+ * At this point, the card has exprienced a hard reset,
+ * followed by fixups by BIOS, and has its config space
+ * set up identically to what it was at cold boot.
+ */
+static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct bnxt *bp = netdev_priv(netdev);
+	int err = 0;
+	pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
+
+	netdev_info(bp->dev, "PCI Slot Reset\n");
+
+	rtnl_lock();
+
+	if (pci_enable_device(pdev)) {
+		dev_err(&pdev->dev,
+			"Cannot re-enable PCI device after reset.\n");
+	} else {
+		pci_set_master(pdev);
+		pci_restore_state(pdev);
+		pci_save_state(pdev);
+
+		err = bnxt_hwrm_func_reset(bp);
+		if (!err && netif_running(netdev))
+			err = bnxt_open(netdev);
+
+		if (!err) {
+			result = PCI_ERS_RESULT_RECOVERED;
+			bnxt_ulp_start(bp);
+		}
+	}
+
+	if (result != PCI_ERS_RESULT_RECOVERED) {
+		if (netif_running(netdev))
+			dev_close(netdev);
+		pci_disable_device(pdev);
+	}
+
+	rtnl_unlock();
+
+	err = pci_cleanup_aer_uncorrect_error_status(pdev);
+	if (err) {
+		dev_err(&pdev->dev,
+			"pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
+			 err); /* non-fatal, continue */
+	}
+
+	return result;
+}
+
+/**
+ * bnxt_io_resume - called when traffic can start flowing again.
+ * @pdev: Pointer to PCI device
+ *
+ * This callback is called when the error recovery driver tells
+ * us that its OK to resume normal operation.
+ */
+static void bnxt_io_resume(struct pci_dev *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+
+	rtnl_lock();
+
+	netif_device_attach(netdev);
+
+	rtnl_unlock();
+}
+
+static const struct pci_error_handlers bnxt_err_handler = {
+	.error_detected	= bnxt_io_error_detected,
+	.slot_reset	= bnxt_io_slot_reset,
+	.resume		= bnxt_io_resume
+};
+
+static struct pci_driver bnxt_pci_driver = {
+	.name		= DRV_MODULE_NAME,
+	.id_table	= bnxt_pci_tbl,
+	.probe		= bnxt_init_one,
+	.remove		= bnxt_remove_one,
+	.shutdown	= bnxt_shutdown,
+	.driver.pm	= BNXT_PM_OPS,
+	.err_handler	= &bnxt_err_handler,
+#if defined(CONFIG_BNXT_SRIOV)
+	.sriov_configure = bnxt_sriov_configure,
+#endif
+};
+
+static int __init bnxt_init(void)
+{
+	bnxt_debug_init();
+	return pci_register_driver(&bnxt_pci_driver);
+}
+
+static void __exit bnxt_exit(void)
+{
+	pci_unregister_driver(&bnxt_pci_driver);
+	if (bnxt_pf_wq)
+		destroy_workqueue(bnxt_pf_wq);
+	bnxt_debug_exit();
+}
+
+module_init(bnxt_init);
+module_exit(bnxt_exit);