From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 6 May 2024 03:02:30 +0200
Subject: Adding upstream version 4.19.249.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/net/ethernet/qlogic/qede/qede_main.c | 2397 ++++++++++++++++++++++++++
 1 file changed, 2397 insertions(+)
 create mode 100644 drivers/net/ethernet/qlogic/qede/qede_main.c

(limited to 'drivers/net/ethernet/qlogic/qede/qede_main.c')

diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
new file mode 100644
index 000000000..756c5943f
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -0,0 +1,2397 @@
+/* QLogic qede NIC Driver
+ * Copyright (c) 2015-2017  QLogic Corporation
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and /or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/crash_dump.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/version.h>
+#include <linux/device.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <linux/string.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <asm/byteorder.h>
+#include <asm/param.h>
+#include <linux/io.h>
+#include <linux/netdev_features.h>
+#include <linux/udp.h>
+#include <linux/tcp.h>
+#include <net/udp_tunnel.h>
+#include <linux/ip.h>
+#include <net/ipv6.h>
+#include <net/tcp.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/pkt_sched.h>
+#include <linux/ethtool.h>
+#include <linux/in.h>
+#include <linux/random.h>
+#include <net/ip6_checksum.h>
+#include <linux/bitops.h>
+#include <linux/vmalloc.h>
+#include "qede.h"
+#include "qede_ptp.h"
+
+static char version[] =
+	"QLogic FastLinQ 4xxxx Ethernet Driver qede " DRV_MODULE_VERSION "\n";
+
+MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Ethernet Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_MODULE_VERSION);
+
+static uint debug;
+module_param(debug, uint, 0);
+MODULE_PARM_DESC(debug, " Default debug msglevel");
+
+static const struct qed_eth_ops *qed_ops;
+
+#define CHIP_NUM_57980S_40		0x1634
+#define CHIP_NUM_57980S_10		0x1666
+#define CHIP_NUM_57980S_MF		0x1636
+#define CHIP_NUM_57980S_100		0x1644
+#define CHIP_NUM_57980S_50		0x1654
+#define CHIP_NUM_57980S_25		0x1656
+#define CHIP_NUM_57980S_IOV		0x1664
+#define CHIP_NUM_AH			0x8070
+#define CHIP_NUM_AH_IOV			0x8090
+
+#ifndef PCI_DEVICE_ID_NX2_57980E
+#define PCI_DEVICE_ID_57980S_40		CHIP_NUM_57980S_40
+#define PCI_DEVICE_ID_57980S_10		CHIP_NUM_57980S_10
+#define PCI_DEVICE_ID_57980S_MF		CHIP_NUM_57980S_MF
+#define PCI_DEVICE_ID_57980S_100	CHIP_NUM_57980S_100
+#define PCI_DEVICE_ID_57980S_50		CHIP_NUM_57980S_50
+#define PCI_DEVICE_ID_57980S_25		CHIP_NUM_57980S_25
+#define PCI_DEVICE_ID_57980S_IOV	CHIP_NUM_57980S_IOV
+#define PCI_DEVICE_ID_AH		CHIP_NUM_AH
+#define PCI_DEVICE_ID_AH_IOV		CHIP_NUM_AH_IOV
+
+#endif
+
+enum qede_pci_private {
+	QEDE_PRIVATE_PF,
+	QEDE_PRIVATE_VF
+};
+
+static const struct pci_device_id qede_pci_tbl[] = {
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_40), QEDE_PRIVATE_PF},
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_10), QEDE_PRIVATE_PF},
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_MF), QEDE_PRIVATE_PF},
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_100), QEDE_PRIVATE_PF},
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_50), QEDE_PRIVATE_PF},
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_25), QEDE_PRIVATE_PF},
+#ifdef CONFIG_QED_SRIOV
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_57980S_IOV), QEDE_PRIVATE_VF},
+#endif
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_AH), QEDE_PRIVATE_PF},
+#ifdef CONFIG_QED_SRIOV
+	{PCI_VDEVICE(QLOGIC, PCI_DEVICE_ID_AH_IOV), QEDE_PRIVATE_VF},
+#endif
+	{ 0 }
+};
+
+MODULE_DEVICE_TABLE(pci, qede_pci_tbl);
+
+static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+
+#define TX_TIMEOUT		(5 * HZ)
+
+/* Utilize last protocol index for XDP */
+#define XDP_PI	11
+
+static void qede_remove(struct pci_dev *pdev);
+static void qede_shutdown(struct pci_dev *pdev);
+static void qede_link_update(void *dev, struct qed_link_output *link);
+static void qede_get_eth_tlv_data(void *edev, void *data);
+static void qede_get_generic_tlv_data(void *edev,
+				      struct qed_generic_tlvs *data);
+
+/* The qede lock is used to protect driver state change and driver flows that
+ * are not reentrant.
+ */
+void __qede_lock(struct qede_dev *edev)
+{
+	mutex_lock(&edev->qede_lock);
+}
+
+void __qede_unlock(struct qede_dev *edev)
+{
+	mutex_unlock(&edev->qede_lock);
+}
+
+#ifdef CONFIG_QED_SRIOV
+static int qede_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, u8 qos,
+			    __be16 vlan_proto)
+{
+	struct qede_dev *edev = netdev_priv(ndev);
+
+	if (vlan > 4095) {
+		DP_NOTICE(edev, "Illegal vlan value %d\n", vlan);
+		return -EINVAL;
+	}
+
+	if (vlan_proto != htons(ETH_P_8021Q))
+		return -EPROTONOSUPPORT;
+
+	DP_VERBOSE(edev, QED_MSG_IOV, "Setting Vlan 0x%04x to VF [%d]\n",
+		   vlan, vf);
+
+	return edev->ops->iov->set_vlan(edev->cdev, vlan, vf);
+}
+
+static int qede_set_vf_mac(struct net_device *ndev, int vfidx, u8 *mac)
+{
+	struct qede_dev *edev = netdev_priv(ndev);
+
+	DP_VERBOSE(edev, QED_MSG_IOV,
+		   "Setting MAC %02x:%02x:%02x:%02x:%02x:%02x to VF [%d]\n",
+		   mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], vfidx);
+
+	if (!is_valid_ether_addr(mac)) {
+		DP_VERBOSE(edev, QED_MSG_IOV, "MAC address isn't valid\n");
+		return -EINVAL;
+	}
+
+	return edev->ops->iov->set_mac(edev->cdev, mac, vfidx);
+}
+
+static int qede_sriov_configure(struct pci_dev *pdev, int num_vfs_param)
+{
+	struct qede_dev *edev = netdev_priv(pci_get_drvdata(pdev));
+	struct qed_dev_info *qed_info = &edev->dev_info.common;
+	struct qed_update_vport_params *vport_params;
+	int rc;
+
+	vport_params = vzalloc(sizeof(*vport_params));
+	if (!vport_params)
+		return -ENOMEM;
+	DP_VERBOSE(edev, QED_MSG_IOV, "Requested %d VFs\n", num_vfs_param);
+
+	rc = edev->ops->iov->configure(edev->cdev, num_vfs_param);
+
+	/* Enable/Disable Tx switching for PF */
+	if ((rc == num_vfs_param) && netif_running(edev->ndev) &&
+	    !qed_info->b_inter_pf_switch && qed_info->tx_switching) {
+		vport_params->vport_id = 0;
+		vport_params->update_tx_switching_flg = 1;
+		vport_params->tx_switching_flg = num_vfs_param ? 1 : 0;
+		edev->ops->vport_update(edev->cdev, vport_params);
+	}
+
+	vfree(vport_params);
+	return rc;
+}
+#endif
+
+static struct pci_driver qede_pci_driver = {
+	.name = "qede",
+	.id_table = qede_pci_tbl,
+	.probe = qede_probe,
+	.remove = qede_remove,
+	.shutdown = qede_shutdown,
+#ifdef CONFIG_QED_SRIOV
+	.sriov_configure = qede_sriov_configure,
+#endif
+};
+
+static struct qed_eth_cb_ops qede_ll_ops = {
+	{
+#ifdef CONFIG_RFS_ACCEL
+		.arfs_filter_op = qede_arfs_filter_op,
+#endif
+		.link_update = qede_link_update,
+		.get_generic_tlv_data = qede_get_generic_tlv_data,
+		.get_protocol_tlv_data = qede_get_eth_tlv_data,
+	},
+	.force_mac = qede_force_mac,
+	.ports_update = qede_udp_ports_update,
+};
+
+static int qede_netdev_event(struct notifier_block *this, unsigned long event,
+			     void *ptr)
+{
+	struct net_device *ndev = netdev_notifier_info_to_dev(ptr);
+	struct ethtool_drvinfo drvinfo;
+	struct qede_dev *edev;
+
+	if (event != NETDEV_CHANGENAME && event != NETDEV_CHANGEADDR)
+		goto done;
+
+	/* Check whether this is a qede device */
+	if (!ndev || !ndev->ethtool_ops || !ndev->ethtool_ops->get_drvinfo)
+		goto done;
+
+	memset(&drvinfo, 0, sizeof(drvinfo));
+	ndev->ethtool_ops->get_drvinfo(ndev, &drvinfo);
+	if (strcmp(drvinfo.driver, "qede"))
+		goto done;
+	edev = netdev_priv(ndev);
+
+	switch (event) {
+	case NETDEV_CHANGENAME:
+		/* Notify qed of the name change */
+		if (!edev->ops || !edev->ops->common)
+			goto done;
+		edev->ops->common->set_name(edev->cdev, edev->ndev->name);
+		break;
+	case NETDEV_CHANGEADDR:
+		edev = netdev_priv(ndev);
+		qede_rdma_event_changeaddr(edev);
+		break;
+	}
+
+done:
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block qede_netdev_notifier = {
+	.notifier_call = qede_netdev_event,
+};
+
+static
+int __init qede_init(void)
+{
+	int ret;
+
+	pr_info("qede_init: %s\n", version);
+
+	qed_ops = qed_get_eth_ops();
+	if (!qed_ops) {
+		pr_notice("Failed to get qed ethtool operations\n");
+		return -EINVAL;
+	}
+
+	/* Must register notifier before pci ops, since we might miss
+	 * interface rename after pci probe and netdev registration.
+	 */
+	ret = register_netdevice_notifier(&qede_netdev_notifier);
+	if (ret) {
+		pr_notice("Failed to register netdevice_notifier\n");
+		qed_put_eth_ops();
+		return -EINVAL;
+	}
+
+	ret = pci_register_driver(&qede_pci_driver);
+	if (ret) {
+		pr_notice("Failed to register driver\n");
+		unregister_netdevice_notifier(&qede_netdev_notifier);
+		qed_put_eth_ops();
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void __exit qede_cleanup(void)
+{
+	if (debug & QED_LOG_INFO_MASK)
+		pr_info("qede_cleanup called\n");
+
+	unregister_netdevice_notifier(&qede_netdev_notifier);
+	pci_unregister_driver(&qede_pci_driver);
+	qed_put_eth_ops();
+}
+
+module_init(qede_init);
+module_exit(qede_cleanup);
+
+static int qede_open(struct net_device *ndev);
+static int qede_close(struct net_device *ndev);
+
+void qede_fill_by_demand_stats(struct qede_dev *edev)
+{
+	struct qede_stats_common *p_common = &edev->stats.common;
+	struct qed_eth_stats stats;
+
+	edev->ops->get_vport_stats(edev->cdev, &stats);
+
+	p_common->no_buff_discards = stats.common.no_buff_discards;
+	p_common->packet_too_big_discard = stats.common.packet_too_big_discard;
+	p_common->ttl0_discard = stats.common.ttl0_discard;
+	p_common->rx_ucast_bytes = stats.common.rx_ucast_bytes;
+	p_common->rx_mcast_bytes = stats.common.rx_mcast_bytes;
+	p_common->rx_bcast_bytes = stats.common.rx_bcast_bytes;
+	p_common->rx_ucast_pkts = stats.common.rx_ucast_pkts;
+	p_common->rx_mcast_pkts = stats.common.rx_mcast_pkts;
+	p_common->rx_bcast_pkts = stats.common.rx_bcast_pkts;
+	p_common->mftag_filter_discards = stats.common.mftag_filter_discards;
+	p_common->mac_filter_discards = stats.common.mac_filter_discards;
+	p_common->gft_filter_drop = stats.common.gft_filter_drop;
+
+	p_common->tx_ucast_bytes = stats.common.tx_ucast_bytes;
+	p_common->tx_mcast_bytes = stats.common.tx_mcast_bytes;
+	p_common->tx_bcast_bytes = stats.common.tx_bcast_bytes;
+	p_common->tx_ucast_pkts = stats.common.tx_ucast_pkts;
+	p_common->tx_mcast_pkts = stats.common.tx_mcast_pkts;
+	p_common->tx_bcast_pkts = stats.common.tx_bcast_pkts;
+	p_common->tx_err_drop_pkts = stats.common.tx_err_drop_pkts;
+	p_common->coalesced_pkts = stats.common.tpa_coalesced_pkts;
+	p_common->coalesced_events = stats.common.tpa_coalesced_events;
+	p_common->coalesced_aborts_num = stats.common.tpa_aborts_num;
+	p_common->non_coalesced_pkts = stats.common.tpa_not_coalesced_pkts;
+	p_common->coalesced_bytes = stats.common.tpa_coalesced_bytes;
+
+	p_common->rx_64_byte_packets = stats.common.rx_64_byte_packets;
+	p_common->rx_65_to_127_byte_packets =
+	    stats.common.rx_65_to_127_byte_packets;
+	p_common->rx_128_to_255_byte_packets =
+	    stats.common.rx_128_to_255_byte_packets;
+	p_common->rx_256_to_511_byte_packets =
+	    stats.common.rx_256_to_511_byte_packets;
+	p_common->rx_512_to_1023_byte_packets =
+	    stats.common.rx_512_to_1023_byte_packets;
+	p_common->rx_1024_to_1518_byte_packets =
+	    stats.common.rx_1024_to_1518_byte_packets;
+	p_common->rx_crc_errors = stats.common.rx_crc_errors;
+	p_common->rx_mac_crtl_frames = stats.common.rx_mac_crtl_frames;
+	p_common->rx_pause_frames = stats.common.rx_pause_frames;
+	p_common->rx_pfc_frames = stats.common.rx_pfc_frames;
+	p_common->rx_align_errors = stats.common.rx_align_errors;
+	p_common->rx_carrier_errors = stats.common.rx_carrier_errors;
+	p_common->rx_oversize_packets = stats.common.rx_oversize_packets;
+	p_common->rx_jabbers = stats.common.rx_jabbers;
+	p_common->rx_undersize_packets = stats.common.rx_undersize_packets;
+	p_common->rx_fragments = stats.common.rx_fragments;
+	p_common->tx_64_byte_packets = stats.common.tx_64_byte_packets;
+	p_common->tx_65_to_127_byte_packets =
+	    stats.common.tx_65_to_127_byte_packets;
+	p_common->tx_128_to_255_byte_packets =
+	    stats.common.tx_128_to_255_byte_packets;
+	p_common->tx_256_to_511_byte_packets =
+	    stats.common.tx_256_to_511_byte_packets;
+	p_common->tx_512_to_1023_byte_packets =
+	    stats.common.tx_512_to_1023_byte_packets;
+	p_common->tx_1024_to_1518_byte_packets =
+	    stats.common.tx_1024_to_1518_byte_packets;
+	p_common->tx_pause_frames = stats.common.tx_pause_frames;
+	p_common->tx_pfc_frames = stats.common.tx_pfc_frames;
+	p_common->brb_truncates = stats.common.brb_truncates;
+	p_common->brb_discards = stats.common.brb_discards;
+	p_common->tx_mac_ctrl_frames = stats.common.tx_mac_ctrl_frames;
+	p_common->link_change_count = stats.common.link_change_count;
+
+	if (QEDE_IS_BB(edev)) {
+		struct qede_stats_bb *p_bb = &edev->stats.bb;
+
+		p_bb->rx_1519_to_1522_byte_packets =
+		    stats.bb.rx_1519_to_1522_byte_packets;
+		p_bb->rx_1519_to_2047_byte_packets =
+		    stats.bb.rx_1519_to_2047_byte_packets;
+		p_bb->rx_2048_to_4095_byte_packets =
+		    stats.bb.rx_2048_to_4095_byte_packets;
+		p_bb->rx_4096_to_9216_byte_packets =
+		    stats.bb.rx_4096_to_9216_byte_packets;
+		p_bb->rx_9217_to_16383_byte_packets =
+		    stats.bb.rx_9217_to_16383_byte_packets;
+		p_bb->tx_1519_to_2047_byte_packets =
+		    stats.bb.tx_1519_to_2047_byte_packets;
+		p_bb->tx_2048_to_4095_byte_packets =
+		    stats.bb.tx_2048_to_4095_byte_packets;
+		p_bb->tx_4096_to_9216_byte_packets =
+		    stats.bb.tx_4096_to_9216_byte_packets;
+		p_bb->tx_9217_to_16383_byte_packets =
+		    stats.bb.tx_9217_to_16383_byte_packets;
+		p_bb->tx_lpi_entry_count = stats.bb.tx_lpi_entry_count;
+		p_bb->tx_total_collisions = stats.bb.tx_total_collisions;
+	} else {
+		struct qede_stats_ah *p_ah = &edev->stats.ah;
+
+		p_ah->rx_1519_to_max_byte_packets =
+		    stats.ah.rx_1519_to_max_byte_packets;
+		p_ah->tx_1519_to_max_byte_packets =
+		    stats.ah.tx_1519_to_max_byte_packets;
+	}
+}
+
+static void qede_get_stats64(struct net_device *dev,
+			     struct rtnl_link_stats64 *stats)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+	struct qede_stats_common *p_common;
+
+	qede_fill_by_demand_stats(edev);
+	p_common = &edev->stats.common;
+
+	stats->rx_packets = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
+			    p_common->rx_bcast_pkts;
+	stats->tx_packets = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
+			    p_common->tx_bcast_pkts;
+
+	stats->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
+			  p_common->rx_bcast_bytes;
+	stats->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
+			  p_common->tx_bcast_bytes;
+
+	stats->tx_errors = p_common->tx_err_drop_pkts;
+	stats->multicast = p_common->rx_mcast_pkts + p_common->rx_bcast_pkts;
+
+	stats->rx_fifo_errors = p_common->no_buff_discards;
+
+	if (QEDE_IS_BB(edev))
+		stats->collisions = edev->stats.bb.tx_total_collisions;
+	stats->rx_crc_errors = p_common->rx_crc_errors;
+	stats->rx_frame_errors = p_common->rx_align_errors;
+}
+
+#ifdef CONFIG_QED_SRIOV
+static int qede_get_vf_config(struct net_device *dev, int vfidx,
+			      struct ifla_vf_info *ivi)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+
+	if (!edev->ops)
+		return -EINVAL;
+
+	return edev->ops->iov->get_config(edev->cdev, vfidx, ivi);
+}
+
+static int qede_set_vf_rate(struct net_device *dev, int vfidx,
+			    int min_tx_rate, int max_tx_rate)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+
+	return edev->ops->iov->set_rate(edev->cdev, vfidx, min_tx_rate,
+					max_tx_rate);
+}
+
+static int qede_set_vf_spoofchk(struct net_device *dev, int vfidx, bool val)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+
+	if (!edev->ops)
+		return -EINVAL;
+
+	return edev->ops->iov->set_spoof(edev->cdev, vfidx, val);
+}
+
+static int qede_set_vf_link_state(struct net_device *dev, int vfidx,
+				  int link_state)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+
+	if (!edev->ops)
+		return -EINVAL;
+
+	return edev->ops->iov->set_link_state(edev->cdev, vfidx, link_state);
+}
+
+static int qede_set_vf_trust(struct net_device *dev, int vfidx, bool setting)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+
+	if (!edev->ops)
+		return -EINVAL;
+
+	return edev->ops->iov->set_trust(edev->cdev, vfidx, setting);
+}
+#endif
+
+static int qede_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+
+	if (!netif_running(dev))
+		return -EAGAIN;
+
+	switch (cmd) {
+	case SIOCSHWTSTAMP:
+		return qede_ptp_hw_ts(edev, ifr);
+	default:
+		DP_VERBOSE(edev, QED_MSG_DEBUG,
+			   "default IOCTL cmd 0x%x\n", cmd);
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
+
+static int qede_setup_tc(struct net_device *ndev, u8 num_tc)
+{
+	struct qede_dev *edev = netdev_priv(ndev);
+	int cos, count, offset;
+
+	if (num_tc > edev->dev_info.num_tc)
+		return -EINVAL;
+
+	netdev_reset_tc(ndev);
+	netdev_set_num_tc(ndev, num_tc);
+
+	for_each_cos_in_txq(edev, cos) {
+		count = QEDE_TSS_COUNT(edev);
+		offset = cos * QEDE_TSS_COUNT(edev);
+		netdev_set_tc_queue(ndev, cos, count, offset);
+	}
+
+	return 0;
+}
+
+static int
+qede_set_flower(struct qede_dev *edev, struct tc_cls_flower_offload *f,
+		__be16 proto)
+{
+	switch (f->command) {
+	case TC_CLSFLOWER_REPLACE:
+		return qede_add_tc_flower_fltr(edev, proto, f);
+	case TC_CLSFLOWER_DESTROY:
+		return qede_delete_flow_filter(edev, f->cookie);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int qede_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+				  void *cb_priv)
+{
+	struct tc_cls_flower_offload *f;
+	struct qede_dev *edev = cb_priv;
+
+	if (!tc_cls_can_offload_and_chain0(edev->ndev, type_data))
+		return -EOPNOTSUPP;
+
+	switch (type) {
+	case TC_SETUP_CLSFLOWER:
+		f = type_data;
+		return qede_set_flower(edev, f, f->common.protocol);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int qede_setup_tc_block(struct qede_dev *edev,
+			       struct tc_block_offload *f)
+{
+	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,
+					     qede_setup_tc_block_cb,
+					     edev, edev, f->extack);
+	case TC_BLOCK_UNBIND:
+		tcf_block_cb_unregister(f->block, qede_setup_tc_block_cb, edev);
+		return 0;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int
+qede_setup_tc_offload(struct net_device *dev, enum tc_setup_type type,
+		      void *type_data)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+	struct tc_mqprio_qopt *mqprio;
+
+	switch (type) {
+	case TC_SETUP_BLOCK:
+		return qede_setup_tc_block(edev, type_data);
+	case TC_SETUP_QDISC_MQPRIO:
+		mqprio = type_data;
+
+		mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
+		return qede_setup_tc(dev, mqprio->num_tc);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static const struct net_device_ops qede_netdev_ops = {
+	.ndo_open = qede_open,
+	.ndo_stop = qede_close,
+	.ndo_start_xmit = qede_start_xmit,
+	.ndo_select_queue = qede_select_queue,
+	.ndo_set_rx_mode = qede_set_rx_mode,
+	.ndo_set_mac_address = qede_set_mac_addr,
+	.ndo_validate_addr = eth_validate_addr,
+	.ndo_change_mtu = qede_change_mtu,
+	.ndo_do_ioctl = qede_ioctl,
+#ifdef CONFIG_QED_SRIOV
+	.ndo_set_vf_mac = qede_set_vf_mac,
+	.ndo_set_vf_vlan = qede_set_vf_vlan,
+	.ndo_set_vf_trust = qede_set_vf_trust,
+#endif
+	.ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid,
+	.ndo_fix_features = qede_fix_features,
+	.ndo_set_features = qede_set_features,
+	.ndo_get_stats64 = qede_get_stats64,
+#ifdef CONFIG_QED_SRIOV
+	.ndo_set_vf_link_state = qede_set_vf_link_state,
+	.ndo_set_vf_spoofchk = qede_set_vf_spoofchk,
+	.ndo_get_vf_config = qede_get_vf_config,
+	.ndo_set_vf_rate = qede_set_vf_rate,
+#endif
+	.ndo_udp_tunnel_add = qede_udp_tunnel_add,
+	.ndo_udp_tunnel_del = qede_udp_tunnel_del,
+	.ndo_features_check = qede_features_check,
+	.ndo_bpf = qede_xdp,
+#ifdef CONFIG_RFS_ACCEL
+	.ndo_rx_flow_steer = qede_rx_flow_steer,
+#endif
+	.ndo_setup_tc = qede_setup_tc_offload,
+};
+
+static const struct net_device_ops qede_netdev_vf_ops = {
+	.ndo_open = qede_open,
+	.ndo_stop = qede_close,
+	.ndo_start_xmit = qede_start_xmit,
+	.ndo_select_queue = qede_select_queue,
+	.ndo_set_rx_mode = qede_set_rx_mode,
+	.ndo_set_mac_address = qede_set_mac_addr,
+	.ndo_validate_addr = eth_validate_addr,
+	.ndo_change_mtu = qede_change_mtu,
+	.ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid,
+	.ndo_fix_features = qede_fix_features,
+	.ndo_set_features = qede_set_features,
+	.ndo_get_stats64 = qede_get_stats64,
+	.ndo_udp_tunnel_add = qede_udp_tunnel_add,
+	.ndo_udp_tunnel_del = qede_udp_tunnel_del,
+	.ndo_features_check = qede_features_check,
+};
+
+static const struct net_device_ops qede_netdev_vf_xdp_ops = {
+	.ndo_open = qede_open,
+	.ndo_stop = qede_close,
+	.ndo_start_xmit = qede_start_xmit,
+	.ndo_select_queue = qede_select_queue,
+	.ndo_set_rx_mode = qede_set_rx_mode,
+	.ndo_set_mac_address = qede_set_mac_addr,
+	.ndo_validate_addr = eth_validate_addr,
+	.ndo_change_mtu = qede_change_mtu,
+	.ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid,
+	.ndo_fix_features = qede_fix_features,
+	.ndo_set_features = qede_set_features,
+	.ndo_get_stats64 = qede_get_stats64,
+	.ndo_udp_tunnel_add = qede_udp_tunnel_add,
+	.ndo_udp_tunnel_del = qede_udp_tunnel_del,
+	.ndo_features_check = qede_features_check,
+	.ndo_bpf = qede_xdp,
+};
+
+/* -------------------------------------------------------------------------
+ * START OF PROBE / REMOVE
+ * -------------------------------------------------------------------------
+ */
+
+static struct qede_dev *qede_alloc_etherdev(struct qed_dev *cdev,
+					    struct pci_dev *pdev,
+					    struct qed_dev_eth_info *info,
+					    u32 dp_module, u8 dp_level)
+{
+	struct net_device *ndev;
+	struct qede_dev *edev;
+
+	ndev = alloc_etherdev_mqs(sizeof(*edev),
+				  info->num_queues * info->num_tc,
+				  info->num_queues);
+	if (!ndev) {
+		pr_err("etherdev allocation failed\n");
+		return NULL;
+	}
+
+	edev = netdev_priv(ndev);
+	edev->ndev = ndev;
+	edev->cdev = cdev;
+	edev->pdev = pdev;
+	edev->dp_module = dp_module;
+	edev->dp_level = dp_level;
+	edev->ops = qed_ops;
+
+	if (is_kdump_kernel()) {
+		edev->q_num_rx_buffers = NUM_RX_BDS_KDUMP_MIN;
+		edev->q_num_tx_buffers = NUM_TX_BDS_KDUMP_MIN;
+	} else {
+		edev->q_num_rx_buffers = NUM_RX_BDS_DEF;
+		edev->q_num_tx_buffers = NUM_TX_BDS_DEF;
+	}
+
+	DP_INFO(edev, "Allocated netdev with %d tx queues and %d rx queues\n",
+		info->num_queues, info->num_queues);
+
+	SET_NETDEV_DEV(ndev, &pdev->dev);
+
+	memset(&edev->stats, 0, sizeof(edev->stats));
+	memcpy(&edev->dev_info, info, sizeof(*info));
+
+	/* As ethtool doesn't have the ability to show WoL behavior as
+	 * 'default', if device supports it declare it's enabled.
+	 */
+	if (edev->dev_info.common.wol_support)
+		edev->wol_enabled = true;
+
+	INIT_LIST_HEAD(&edev->vlan_list);
+
+	return edev;
+}
+
+static void qede_init_ndev(struct qede_dev *edev)
+{
+	struct net_device *ndev = edev->ndev;
+	struct pci_dev *pdev = edev->pdev;
+	bool udp_tunnel_enable = false;
+	netdev_features_t hw_features;
+
+	pci_set_drvdata(pdev, ndev);
+
+	ndev->mem_start = edev->dev_info.common.pci_mem_start;
+	ndev->base_addr = ndev->mem_start;
+	ndev->mem_end = edev->dev_info.common.pci_mem_end;
+	ndev->irq = edev->dev_info.common.pci_irq;
+
+	ndev->watchdog_timeo = TX_TIMEOUT;
+
+	if (IS_VF(edev)) {
+		if (edev->dev_info.xdp_supported)
+			ndev->netdev_ops = &qede_netdev_vf_xdp_ops;
+		else
+			ndev->netdev_ops = &qede_netdev_vf_ops;
+	} else {
+		ndev->netdev_ops = &qede_netdev_ops;
+	}
+
+	qede_set_ethtool_ops(ndev);
+
+	ndev->priv_flags |= IFF_UNICAST_FLT;
+
+	/* user-changeble features */
+	hw_features = NETIF_F_GRO | NETIF_F_GRO_HW | NETIF_F_SG |
+		      NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
+		      NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_TC;
+
+	if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1)
+		hw_features |= NETIF_F_NTUPLE;
+
+	if (edev->dev_info.common.vxlan_enable ||
+	    edev->dev_info.common.geneve_enable)
+		udp_tunnel_enable = true;
+
+	if (udp_tunnel_enable || edev->dev_info.common.gre_enable) {
+		hw_features |= NETIF_F_TSO_ECN;
+		ndev->hw_enc_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
+					NETIF_F_SG | NETIF_F_TSO |
+					NETIF_F_TSO_ECN | NETIF_F_TSO6 |
+					NETIF_F_RXCSUM;
+	}
+
+	if (udp_tunnel_enable) {
+		hw_features |= (NETIF_F_GSO_UDP_TUNNEL |
+				NETIF_F_GSO_UDP_TUNNEL_CSUM);
+		ndev->hw_enc_features |= (NETIF_F_GSO_UDP_TUNNEL |
+					  NETIF_F_GSO_UDP_TUNNEL_CSUM);
+	}
+
+	if (edev->dev_info.common.gre_enable) {
+		hw_features |= (NETIF_F_GSO_GRE | NETIF_F_GSO_GRE_CSUM);
+		ndev->hw_enc_features |= (NETIF_F_GSO_GRE |
+					  NETIF_F_GSO_GRE_CSUM);
+	}
+
+	ndev->vlan_features = hw_features | NETIF_F_RXHASH | NETIF_F_RXCSUM |
+			      NETIF_F_HIGHDMA;
+	ndev->features = hw_features | NETIF_F_RXHASH | NETIF_F_RXCSUM |
+			 NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HIGHDMA |
+			 NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_TX;
+
+	ndev->hw_features = hw_features;
+
+	/* MTU range: 46 - 9600 */
+	ndev->min_mtu = ETH_ZLEN - ETH_HLEN;
+	ndev->max_mtu = QEDE_MAX_JUMBO_PACKET_SIZE;
+
+	/* Set network device HW mac */
+	ether_addr_copy(edev->ndev->dev_addr, edev->dev_info.common.hw_mac);
+
+	ndev->mtu = edev->dev_info.common.mtu;
+}
+
+/* This function converts from 32b param to two params of level and module
+ * Input 32b decoding:
+ * b31 - enable all NOTICE prints. NOTICE prints are for deviation from the
+ * 'happy' flow, e.g. memory allocation failed.
+ * b30 - enable all INFO prints. INFO prints are for major steps in the flow
+ * and provide important parameters.
+ * b29-b0 - per-module bitmap, where each bit enables VERBOSE prints of that
+ * module. VERBOSE prints are for tracking the specific flow in low level.
+ *
+ * Notice that the level should be that of the lowest required logs.
+ */
+void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level)
+{
+	*p_dp_level = QED_LEVEL_NOTICE;
+	*p_dp_module = 0;
+
+	if (debug & QED_LOG_VERBOSE_MASK) {
+		*p_dp_level = QED_LEVEL_VERBOSE;
+		*p_dp_module = (debug & 0x3FFFFFFF);
+	} else if (debug & QED_LOG_INFO_MASK) {
+		*p_dp_level = QED_LEVEL_INFO;
+	} else if (debug & QED_LOG_NOTICE_MASK) {
+		*p_dp_level = QED_LEVEL_NOTICE;
+	}
+}
+
+static void qede_free_fp_array(struct qede_dev *edev)
+{
+	if (edev->fp_array) {
+		struct qede_fastpath *fp;
+		int i;
+
+		for_each_queue(i) {
+			fp = &edev->fp_array[i];
+
+			kfree(fp->sb_info);
+			/* Handle mem alloc failure case where qede_init_fp
+			 * didn't register xdp_rxq_info yet.
+			 * Implicit only (fp->type & QEDE_FASTPATH_RX)
+			 */
+			if (fp->rxq && xdp_rxq_info_is_reg(&fp->rxq->xdp_rxq))
+				xdp_rxq_info_unreg(&fp->rxq->xdp_rxq);
+			kfree(fp->rxq);
+			kfree(fp->xdp_tx);
+			kfree(fp->txq);
+		}
+		kfree(edev->fp_array);
+	}
+
+	edev->num_queues = 0;
+	edev->fp_num_tx = 0;
+	edev->fp_num_rx = 0;
+}
+
+static int qede_alloc_fp_array(struct qede_dev *edev)
+{
+	u8 fp_combined, fp_rx = edev->fp_num_rx;
+	struct qede_fastpath *fp;
+	int i;
+
+	edev->fp_array = kcalloc(QEDE_QUEUE_CNT(edev),
+				 sizeof(*edev->fp_array), GFP_KERNEL);
+	if (!edev->fp_array) {
+		DP_NOTICE(edev, "fp array allocation failed\n");
+		goto err;
+	}
+
+	fp_combined = QEDE_QUEUE_CNT(edev) - fp_rx - edev->fp_num_tx;
+
+	/* Allocate the FP elements for Rx queues followed by combined and then
+	 * the Tx. This ordering should be maintained so that the respective
+	 * queues (Rx or Tx) will be together in the fastpath array and the
+	 * associated ids will be sequential.
+	 */
+	for_each_queue(i) {
+		fp = &edev->fp_array[i];
+
+		fp->sb_info = kzalloc(sizeof(*fp->sb_info), GFP_KERNEL);
+		if (!fp->sb_info) {
+			DP_NOTICE(edev, "sb info struct allocation failed\n");
+			goto err;
+		}
+
+		if (fp_rx) {
+			fp->type = QEDE_FASTPATH_RX;
+			fp_rx--;
+		} else if (fp_combined) {
+			fp->type = QEDE_FASTPATH_COMBINED;
+			fp_combined--;
+		} else {
+			fp->type = QEDE_FASTPATH_TX;
+		}
+
+		if (fp->type & QEDE_FASTPATH_TX) {
+			fp->txq = kcalloc(edev->dev_info.num_tc,
+					  sizeof(*fp->txq), GFP_KERNEL);
+			if (!fp->txq)
+				goto err;
+		}
+
+		if (fp->type & QEDE_FASTPATH_RX) {
+			fp->rxq = kzalloc(sizeof(*fp->rxq), GFP_KERNEL);
+			if (!fp->rxq)
+				goto err;
+
+			if (edev->xdp_prog) {
+				fp->xdp_tx = kzalloc(sizeof(*fp->xdp_tx),
+						     GFP_KERNEL);
+				if (!fp->xdp_tx)
+					goto err;
+				fp->type |= QEDE_FASTPATH_XDP;
+			}
+		}
+	}
+
+	return 0;
+err:
+	qede_free_fp_array(edev);
+	return -ENOMEM;
+}
+
+static void qede_sp_task(struct work_struct *work)
+{
+	struct qede_dev *edev = container_of(work, struct qede_dev,
+					     sp_task.work);
+
+	__qede_lock(edev);
+
+	if (test_and_clear_bit(QEDE_SP_RX_MODE, &edev->sp_flags))
+		if (edev->state == QEDE_STATE_OPEN)
+			qede_config_rx_mode(edev->ndev);
+
+#ifdef CONFIG_RFS_ACCEL
+	if (test_and_clear_bit(QEDE_SP_ARFS_CONFIG, &edev->sp_flags)) {
+		if (edev->state == QEDE_STATE_OPEN)
+			qede_process_arfs_filters(edev, false);
+	}
+#endif
+	__qede_unlock(edev);
+}
+
+static void qede_update_pf_params(struct qed_dev *cdev)
+{
+	struct qed_pf_params pf_params;
+	u16 num_cons;
+
+	/* 64 rx + 64 tx + 64 XDP */
+	memset(&pf_params, 0, sizeof(struct qed_pf_params));
+
+	/* 1 rx + 1 xdp + max tx cos */
+	num_cons = QED_MIN_L2_CONS;
+
+	pf_params.eth_pf_params.num_cons = (MAX_SB_PER_PF_MIMD - 1) * num_cons;
+
+	/* Same for VFs - make sure they'll have sufficient connections
+	 * to support XDP Tx queues.
+	 */
+	pf_params.eth_pf_params.num_vf_cons = 48;
+
+	pf_params.eth_pf_params.num_arfs_filters = QEDE_RFS_MAX_FLTR;
+	qed_ops->common->update_pf_params(cdev, &pf_params);
+}
+
+#define QEDE_FW_VER_STR_SIZE	80
+
+static void qede_log_probe(struct qede_dev *edev)
+{
+	struct qed_dev_info *p_dev_info = &edev->dev_info.common;
+	u8 buf[QEDE_FW_VER_STR_SIZE];
+	size_t left_size;
+
+	snprintf(buf, QEDE_FW_VER_STR_SIZE,
+		 "Storm FW %d.%d.%d.%d, Management FW %d.%d.%d.%d",
+		 p_dev_info->fw_major, p_dev_info->fw_minor, p_dev_info->fw_rev,
+		 p_dev_info->fw_eng,
+		 (p_dev_info->mfw_rev & QED_MFW_VERSION_3_MASK) >>
+		 QED_MFW_VERSION_3_OFFSET,
+		 (p_dev_info->mfw_rev & QED_MFW_VERSION_2_MASK) >>
+		 QED_MFW_VERSION_2_OFFSET,
+		 (p_dev_info->mfw_rev & QED_MFW_VERSION_1_MASK) >>
+		 QED_MFW_VERSION_1_OFFSET,
+		 (p_dev_info->mfw_rev & QED_MFW_VERSION_0_MASK) >>
+		 QED_MFW_VERSION_0_OFFSET);
+
+	left_size = QEDE_FW_VER_STR_SIZE - strlen(buf);
+	if (p_dev_info->mbi_version && left_size)
+		snprintf(buf + strlen(buf), left_size,
+			 " [MBI %d.%d.%d]",
+			 (p_dev_info->mbi_version & QED_MBI_VERSION_2_MASK) >>
+			 QED_MBI_VERSION_2_OFFSET,
+			 (p_dev_info->mbi_version & QED_MBI_VERSION_1_MASK) >>
+			 QED_MBI_VERSION_1_OFFSET,
+			 (p_dev_info->mbi_version & QED_MBI_VERSION_0_MASK) >>
+			 QED_MBI_VERSION_0_OFFSET);
+
+	pr_info("qede %02x:%02x.%02x: %s [%s]\n", edev->pdev->bus->number,
+		PCI_SLOT(edev->pdev->devfn), PCI_FUNC(edev->pdev->devfn),
+		buf, edev->ndev->name);
+}
+
+enum qede_probe_mode {
+	QEDE_PROBE_NORMAL,
+};
+
+static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
+			bool is_vf, enum qede_probe_mode mode)
+{
+	struct qed_probe_params probe_params;
+	struct qed_slowpath_params sp_params;
+	struct qed_dev_eth_info dev_info;
+	struct qede_dev *edev;
+	struct qed_dev *cdev;
+	int rc;
+
+	if (unlikely(dp_level & QED_LEVEL_INFO))
+		pr_notice("Starting qede probe\n");
+
+	memset(&probe_params, 0, sizeof(probe_params));
+	probe_params.protocol = QED_PROTOCOL_ETH;
+	probe_params.dp_module = dp_module;
+	probe_params.dp_level = dp_level;
+	probe_params.is_vf = is_vf;
+	cdev = qed_ops->common->probe(pdev, &probe_params);
+	if (!cdev) {
+		rc = -ENODEV;
+		goto err0;
+	}
+
+	qede_update_pf_params(cdev);
+
+	/* Start the Slowpath-process */
+	memset(&sp_params, 0, sizeof(sp_params));
+	sp_params.int_mode = QED_INT_MODE_MSIX;
+	sp_params.drv_major = QEDE_MAJOR_VERSION;
+	sp_params.drv_minor = QEDE_MINOR_VERSION;
+	sp_params.drv_rev = QEDE_REVISION_VERSION;
+	sp_params.drv_eng = QEDE_ENGINEERING_VERSION;
+	strlcpy(sp_params.name, "qede LAN", QED_DRV_VER_STR_SIZE);
+	rc = qed_ops->common->slowpath_start(cdev, &sp_params);
+	if (rc) {
+		pr_notice("Cannot start slowpath\n");
+		goto err1;
+	}
+
+	/* Learn information crucial for qede to progress */
+	rc = qed_ops->fill_dev_info(cdev, &dev_info);
+	if (rc)
+		goto err2;
+
+	edev = qede_alloc_etherdev(cdev, pdev, &dev_info, dp_module,
+				   dp_level);
+	if (!edev) {
+		rc = -ENOMEM;
+		goto err2;
+	}
+
+	if (is_vf)
+		edev->flags |= QEDE_FLAG_IS_VF;
+
+	qede_init_ndev(edev);
+
+	rc = qede_rdma_dev_add(edev);
+	if (rc)
+		goto err3;
+
+	/* Prepare the lock prior to the registration of the netdev,
+	 * as once it's registered we might reach flows requiring it
+	 * [it's even possible to reach a flow needing it directly
+	 * from there, although it's unlikely].
+	 */
+	INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task);
+	mutex_init(&edev->qede_lock);
+	rc = register_netdev(edev->ndev);
+	if (rc) {
+		DP_NOTICE(edev, "Cannot register net-device\n");
+		goto err4;
+	}
+
+	edev->ops->common->set_name(cdev, edev->ndev->name);
+
+	/* PTP not supported on VFs */
+	if (!is_vf)
+		qede_ptp_enable(edev, true);
+
+	edev->ops->register_ops(cdev, &qede_ll_ops, edev);
+
+#ifdef CONFIG_DCB
+	if (!IS_VF(edev))
+		qede_set_dcbnl_ops(edev->ndev);
+#endif
+
+	edev->rx_copybreak = QEDE_RX_HDR_SIZE;
+
+	qede_log_probe(edev);
+	return 0;
+
+err4:
+	qede_rdma_dev_remove(edev);
+err3:
+	free_netdev(edev->ndev);
+err2:
+	qed_ops->common->slowpath_stop(cdev);
+err1:
+	qed_ops->common->remove(cdev);
+err0:
+	return rc;
+}
+
+static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	bool is_vf = false;
+	u32 dp_module = 0;
+	u8 dp_level = 0;
+
+	switch ((enum qede_pci_private)id->driver_data) {
+	case QEDE_PRIVATE_VF:
+		if (debug & QED_LOG_VERBOSE_MASK)
+			dev_err(&pdev->dev, "Probing a VF\n");
+		is_vf = true;
+		break;
+	default:
+		if (debug & QED_LOG_VERBOSE_MASK)
+			dev_err(&pdev->dev, "Probing a PF\n");
+	}
+
+	qede_config_debug(debug, &dp_module, &dp_level);
+
+	return __qede_probe(pdev, dp_module, dp_level, is_vf,
+			    QEDE_PROBE_NORMAL);
+}
+
+enum qede_remove_mode {
+	QEDE_REMOVE_NORMAL,
+};
+
+static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode)
+{
+	struct net_device *ndev = pci_get_drvdata(pdev);
+	struct qede_dev *edev;
+	struct qed_dev *cdev;
+
+	if (!ndev) {
+		dev_info(&pdev->dev, "Device has already been removed\n");
+		return;
+	}
+
+	edev = netdev_priv(ndev);
+	cdev = edev->cdev;
+
+	DP_INFO(edev, "Starting qede_remove\n");
+
+	qede_rdma_dev_remove(edev);
+	unregister_netdev(ndev);
+	cancel_delayed_work_sync(&edev->sp_task);
+
+	qede_ptp_disable(edev);
+
+	edev->ops->common->set_power_state(cdev, PCI_D0);
+
+	pci_set_drvdata(pdev, NULL);
+
+	/* Use global ops since we've freed edev */
+	qed_ops->common->slowpath_stop(cdev);
+	if (system_state == SYSTEM_POWER_OFF)
+		return;
+	qed_ops->common->remove(cdev);
+
+	/* Since this can happen out-of-sync with other flows,
+	 * don't release the netdevice until after slowpath stop
+	 * has been called to guarantee various other contexts
+	 * [e.g., QED register callbacks] won't break anything when
+	 * accessing the netdevice.
+	 */
+	 free_netdev(ndev);
+
+	dev_info(&pdev->dev, "Ending qede_remove successfully\n");
+}
+
+static void qede_remove(struct pci_dev *pdev)
+{
+	__qede_remove(pdev, QEDE_REMOVE_NORMAL);
+}
+
+static void qede_shutdown(struct pci_dev *pdev)
+{
+	__qede_remove(pdev, QEDE_REMOVE_NORMAL);
+}
+
+/* -------------------------------------------------------------------------
+ * START OF LOAD / UNLOAD
+ * -------------------------------------------------------------------------
+ */
+
+static int qede_set_num_queues(struct qede_dev *edev)
+{
+	int rc;
+	u16 rss_num;
+
+	/* Setup queues according to possible resources*/
+	if (edev->req_queues)
+		rss_num = edev->req_queues;
+	else
+		rss_num = netif_get_num_default_rss_queues() *
+			  edev->dev_info.common.num_hwfns;
+
+	rss_num = min_t(u16, QEDE_MAX_RSS_CNT(edev), rss_num);
+
+	rc = edev->ops->common->set_fp_int(edev->cdev, rss_num);
+	if (rc > 0) {
+		/* Managed to request interrupts for our queues */
+		edev->num_queues = rc;
+		DP_INFO(edev, "Managed %d [of %d] RSS queues\n",
+			QEDE_QUEUE_CNT(edev), rss_num);
+		rc = 0;
+	}
+
+	edev->fp_num_tx = edev->req_num_tx;
+	edev->fp_num_rx = edev->req_num_rx;
+
+	return rc;
+}
+
+static void qede_free_mem_sb(struct qede_dev *edev, struct qed_sb_info *sb_info,
+			     u16 sb_id)
+{
+	if (sb_info->sb_virt) {
+		edev->ops->common->sb_release(edev->cdev, sb_info, sb_id);
+		dma_free_coherent(&edev->pdev->dev, sizeof(*sb_info->sb_virt),
+				  (void *)sb_info->sb_virt, sb_info->sb_phys);
+		memset(sb_info, 0, sizeof(*sb_info));
+	}
+}
+
+/* This function allocates fast-path status block memory */
+static int qede_alloc_mem_sb(struct qede_dev *edev,
+			     struct qed_sb_info *sb_info, u16 sb_id)
+{
+	struct status_block_e4 *sb_virt;
+	dma_addr_t sb_phys;
+	int rc;
+
+	sb_virt = dma_alloc_coherent(&edev->pdev->dev,
+				     sizeof(*sb_virt), &sb_phys, GFP_KERNEL);
+	if (!sb_virt) {
+		DP_ERR(edev, "Status block allocation failed\n");
+		return -ENOMEM;
+	}
+
+	rc = edev->ops->common->sb_init(edev->cdev, sb_info,
+					sb_virt, sb_phys, sb_id,
+					QED_SB_TYPE_L2_QUEUE);
+	if (rc) {
+		DP_ERR(edev, "Status block initialization failed\n");
+		dma_free_coherent(&edev->pdev->dev, sizeof(*sb_virt),
+				  sb_virt, sb_phys);
+		return rc;
+	}
+
+	return 0;
+}
+
+static void qede_free_rx_buffers(struct qede_dev *edev,
+				 struct qede_rx_queue *rxq)
+{
+	u16 i;
+
+	for (i = rxq->sw_rx_cons; i != rxq->sw_rx_prod; i++) {
+		struct sw_rx_data *rx_buf;
+		struct page *data;
+
+		rx_buf = &rxq->sw_rx_ring[i & NUM_RX_BDS_MAX];
+		data = rx_buf->data;
+
+		dma_unmap_page(&edev->pdev->dev,
+			       rx_buf->mapping, PAGE_SIZE, rxq->data_direction);
+
+		rx_buf->data = NULL;
+		__free_page(data);
+	}
+}
+
+static void qede_free_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq)
+{
+	/* Free rx buffers */
+	qede_free_rx_buffers(edev, rxq);
+
+	/* Free the parallel SW ring */
+	kfree(rxq->sw_rx_ring);
+
+	/* Free the real RQ ring used by FW */
+	edev->ops->common->chain_free(edev->cdev, &rxq->rx_bd_ring);
+	edev->ops->common->chain_free(edev->cdev, &rxq->rx_comp_ring);
+}
+
+static void qede_set_tpa_param(struct qede_rx_queue *rxq)
+{
+	int i;
+
+	for (i = 0; i < ETH_TPA_MAX_AGGS_NUM; i++) {
+		struct qede_agg_info *tpa_info = &rxq->tpa_info[i];
+
+		tpa_info->state = QEDE_AGG_STATE_NONE;
+	}
+}
+
+/* This function allocates all memory needed per Rx queue */
+static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq)
+{
+	int i, rc, size;
+
+	rxq->num_rx_buffers = edev->q_num_rx_buffers;
+
+	rxq->rx_buf_size = NET_IP_ALIGN + ETH_OVERHEAD + edev->ndev->mtu;
+
+	rxq->rx_headroom = edev->xdp_prog ? XDP_PACKET_HEADROOM : NET_SKB_PAD;
+	size = rxq->rx_headroom +
+	       SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
+	/* Make sure that the headroom and  payload fit in a single page */
+	if (rxq->rx_buf_size + size > PAGE_SIZE)
+		rxq->rx_buf_size = PAGE_SIZE - size;
+
+	/* Segment size to spilt a page in multiple equal parts ,
+	 * unless XDP is used in which case we'd use the entire page.
+	 */
+	if (!edev->xdp_prog) {
+		size = size + rxq->rx_buf_size;
+		rxq->rx_buf_seg_size = roundup_pow_of_two(size);
+	} else {
+		rxq->rx_buf_seg_size = PAGE_SIZE;
+		edev->ndev->features &= ~NETIF_F_GRO_HW;
+	}
+
+	/* Allocate the parallel driver ring for Rx buffers */
+	size = sizeof(*rxq->sw_rx_ring) * RX_RING_SIZE;
+	rxq->sw_rx_ring = kzalloc(size, GFP_KERNEL);
+	if (!rxq->sw_rx_ring) {
+		DP_ERR(edev, "Rx buffers ring allocation failed\n");
+		rc = -ENOMEM;
+		goto err;
+	}
+
+	/* Allocate FW Rx ring  */
+	rc = edev->ops->common->chain_alloc(edev->cdev,
+					    QED_CHAIN_USE_TO_CONSUME_PRODUCE,
+					    QED_CHAIN_MODE_NEXT_PTR,
+					    QED_CHAIN_CNT_TYPE_U16,
+					    RX_RING_SIZE,
+					    sizeof(struct eth_rx_bd),
+					    &rxq->rx_bd_ring, NULL);
+	if (rc)
+		goto err;
+
+	/* Allocate FW completion ring */
+	rc = edev->ops->common->chain_alloc(edev->cdev,
+					    QED_CHAIN_USE_TO_CONSUME,
+					    QED_CHAIN_MODE_PBL,
+					    QED_CHAIN_CNT_TYPE_U16,
+					    RX_RING_SIZE,
+					    sizeof(union eth_rx_cqe),
+					    &rxq->rx_comp_ring, NULL);
+	if (rc)
+		goto err;
+
+	/* Allocate buffers for the Rx ring */
+	rxq->filled_buffers = 0;
+	for (i = 0; i < rxq->num_rx_buffers; i++) {
+		rc = qede_alloc_rx_buffer(rxq, false);
+		if (rc) {
+			DP_ERR(edev,
+			       "Rx buffers allocation failed at index %d\n", i);
+			goto err;
+		}
+	}
+
+	edev->gro_disable = !(edev->ndev->features & NETIF_F_GRO_HW);
+	if (!edev->gro_disable)
+		qede_set_tpa_param(rxq);
+err:
+	return rc;
+}
+
+static void qede_free_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq)
+{
+	/* Free the parallel SW ring */
+	if (txq->is_xdp)
+		kfree(txq->sw_tx_ring.xdp);
+	else
+		kfree(txq->sw_tx_ring.skbs);
+
+	/* Free the real RQ ring used by FW */
+	edev->ops->common->chain_free(edev->cdev, &txq->tx_pbl);
+}
+
+/* This function allocates all memory needed per Tx queue */
+static int qede_alloc_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq)
+{
+	union eth_tx_bd_types *p_virt;
+	int size, rc;
+
+	txq->num_tx_buffers = edev->q_num_tx_buffers;
+
+	/* Allocate the parallel driver ring for Tx buffers */
+	if (txq->is_xdp) {
+		size = sizeof(*txq->sw_tx_ring.xdp) * txq->num_tx_buffers;
+		txq->sw_tx_ring.xdp = kzalloc(size, GFP_KERNEL);
+		if (!txq->sw_tx_ring.xdp)
+			goto err;
+	} else {
+		size = sizeof(*txq->sw_tx_ring.skbs) * txq->num_tx_buffers;
+		txq->sw_tx_ring.skbs = kzalloc(size, GFP_KERNEL);
+		if (!txq->sw_tx_ring.skbs)
+			goto err;
+	}
+
+	rc = edev->ops->common->chain_alloc(edev->cdev,
+					    QED_CHAIN_USE_TO_CONSUME_PRODUCE,
+					    QED_CHAIN_MODE_PBL,
+					    QED_CHAIN_CNT_TYPE_U16,
+					    txq->num_tx_buffers,
+					    sizeof(*p_virt),
+					    &txq->tx_pbl, NULL);
+	if (rc)
+		goto err;
+
+	return 0;
+
+err:
+	qede_free_mem_txq(edev, txq);
+	return -ENOMEM;
+}
+
+/* This function frees all memory of a single fp */
+static void qede_free_mem_fp(struct qede_dev *edev, struct qede_fastpath *fp)
+{
+	qede_free_mem_sb(edev, fp->sb_info, fp->id);
+
+	if (fp->type & QEDE_FASTPATH_RX)
+		qede_free_mem_rxq(edev, fp->rxq);
+
+	if (fp->type & QEDE_FASTPATH_XDP)
+		qede_free_mem_txq(edev, fp->xdp_tx);
+
+	if (fp->type & QEDE_FASTPATH_TX) {
+		int cos;
+
+		for_each_cos_in_txq(edev, cos)
+			qede_free_mem_txq(edev, &fp->txq[cos]);
+	}
+}
+
+/* This function allocates all memory needed for a single fp (i.e. an entity
+ * which contains status block, one rx queue and/or multiple per-TC tx queues.
+ */
+static int qede_alloc_mem_fp(struct qede_dev *edev, struct qede_fastpath *fp)
+{
+	int rc = 0;
+
+	rc = qede_alloc_mem_sb(edev, fp->sb_info, fp->id);
+	if (rc)
+		goto out;
+
+	if (fp->type & QEDE_FASTPATH_RX) {
+		rc = qede_alloc_mem_rxq(edev, fp->rxq);
+		if (rc)
+			goto out;
+	}
+
+	if (fp->type & QEDE_FASTPATH_XDP) {
+		rc = qede_alloc_mem_txq(edev, fp->xdp_tx);
+		if (rc)
+			goto out;
+	}
+
+	if (fp->type & QEDE_FASTPATH_TX) {
+		int cos;
+
+		for_each_cos_in_txq(edev, cos) {
+			rc = qede_alloc_mem_txq(edev, &fp->txq[cos]);
+			if (rc)
+				goto out;
+		}
+	}
+
+out:
+	return rc;
+}
+
+static void qede_free_mem_load(struct qede_dev *edev)
+{
+	int i;
+
+	for_each_queue(i) {
+		struct qede_fastpath *fp = &edev->fp_array[i];
+
+		qede_free_mem_fp(edev, fp);
+	}
+}
+
+/* This function allocates all qede memory at NIC load. */
+static int qede_alloc_mem_load(struct qede_dev *edev)
+{
+	int rc = 0, queue_id;
+
+	for (queue_id = 0; queue_id < QEDE_QUEUE_CNT(edev); queue_id++) {
+		struct qede_fastpath *fp = &edev->fp_array[queue_id];
+
+		rc = qede_alloc_mem_fp(edev, fp);
+		if (rc) {
+			DP_ERR(edev,
+			       "Failed to allocate memory for fastpath - rss id = %d\n",
+			       queue_id);
+			qede_free_mem_load(edev);
+			return rc;
+		}
+	}
+
+	return 0;
+}
+
+/* This function inits fp content and resets the SB, RXQ and TXQ structures */
+static void qede_init_fp(struct qede_dev *edev)
+{
+	int queue_id, rxq_index = 0, txq_index = 0;
+	struct qede_fastpath *fp;
+
+	for_each_queue(queue_id) {
+		fp = &edev->fp_array[queue_id];
+
+		fp->edev = edev;
+		fp->id = queue_id;
+
+		if (fp->type & QEDE_FASTPATH_XDP) {
+			fp->xdp_tx->index = QEDE_TXQ_IDX_TO_XDP(edev,
+								rxq_index);
+			fp->xdp_tx->is_xdp = 1;
+		}
+
+		if (fp->type & QEDE_FASTPATH_RX) {
+			fp->rxq->rxq_id = rxq_index++;
+
+			/* Determine how to map buffers for this queue */
+			if (fp->type & QEDE_FASTPATH_XDP)
+				fp->rxq->data_direction = DMA_BIDIRECTIONAL;
+			else
+				fp->rxq->data_direction = DMA_FROM_DEVICE;
+			fp->rxq->dev = &edev->pdev->dev;
+
+			/* Driver have no error path from here */
+			WARN_ON(xdp_rxq_info_reg(&fp->rxq->xdp_rxq, edev->ndev,
+						 fp->rxq->rxq_id) < 0);
+		}
+
+		if (fp->type & QEDE_FASTPATH_TX) {
+			int cos;
+
+			for_each_cos_in_txq(edev, cos) {
+				struct qede_tx_queue *txq = &fp->txq[cos];
+				u16 ndev_tx_id;
+
+				txq->cos = cos;
+				txq->index = txq_index;
+				ndev_tx_id = QEDE_TXQ_TO_NDEV_TXQ_ID(edev, txq);
+				txq->ndev_txq_id = ndev_tx_id;
+
+				if (edev->dev_info.is_legacy)
+					txq->is_legacy = 1;
+				txq->dev = &edev->pdev->dev;
+			}
+
+			txq_index++;
+		}
+
+		snprintf(fp->name, sizeof(fp->name), "%s-fp-%d",
+			 edev->ndev->name, queue_id);
+	}
+}
+
+static int qede_set_real_num_queues(struct qede_dev *edev)
+{
+	int rc = 0;
+
+	rc = netif_set_real_num_tx_queues(edev->ndev,
+					  QEDE_TSS_COUNT(edev) *
+					  edev->dev_info.num_tc);
+	if (rc) {
+		DP_NOTICE(edev, "Failed to set real number of Tx queues\n");
+		return rc;
+	}
+
+	rc = netif_set_real_num_rx_queues(edev->ndev, QEDE_RSS_COUNT(edev));
+	if (rc) {
+		DP_NOTICE(edev, "Failed to set real number of Rx queues\n");
+		return rc;
+	}
+
+	return 0;
+}
+
+static void qede_napi_disable_remove(struct qede_dev *edev)
+{
+	int i;
+
+	for_each_queue(i) {
+		napi_disable(&edev->fp_array[i].napi);
+
+		netif_napi_del(&edev->fp_array[i].napi);
+	}
+}
+
+static void qede_napi_add_enable(struct qede_dev *edev)
+{
+	int i;
+
+	/* Add NAPI objects */
+	for_each_queue(i) {
+		netif_napi_add(edev->ndev, &edev->fp_array[i].napi,
+			       qede_poll, NAPI_POLL_WEIGHT);
+		napi_enable(&edev->fp_array[i].napi);
+	}
+}
+
+static void qede_sync_free_irqs(struct qede_dev *edev)
+{
+	int i;
+
+	for (i = 0; i < edev->int_info.used_cnt; i++) {
+		if (edev->int_info.msix_cnt) {
+			synchronize_irq(edev->int_info.msix[i].vector);
+			free_irq(edev->int_info.msix[i].vector,
+				 &edev->fp_array[i]);
+		} else {
+			edev->ops->common->simd_handler_clean(edev->cdev, i);
+		}
+	}
+
+	edev->int_info.used_cnt = 0;
+	edev->int_info.msix_cnt = 0;
+}
+
+static int qede_req_msix_irqs(struct qede_dev *edev)
+{
+	int i, rc;
+
+	/* Sanitize number of interrupts == number of prepared RSS queues */
+	if (QEDE_QUEUE_CNT(edev) > edev->int_info.msix_cnt) {
+		DP_ERR(edev,
+		       "Interrupt mismatch: %d RSS queues > %d MSI-x vectors\n",
+		       QEDE_QUEUE_CNT(edev), edev->int_info.msix_cnt);
+		return -EINVAL;
+	}
+
+	for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) {
+#ifdef CONFIG_RFS_ACCEL
+		struct qede_fastpath *fp = &edev->fp_array[i];
+
+		if (edev->ndev->rx_cpu_rmap && (fp->type & QEDE_FASTPATH_RX)) {
+			rc = irq_cpu_rmap_add(edev->ndev->rx_cpu_rmap,
+					      edev->int_info.msix[i].vector);
+			if (rc) {
+				DP_ERR(edev, "Failed to add CPU rmap\n");
+				qede_free_arfs(edev);
+			}
+		}
+#endif
+		rc = request_irq(edev->int_info.msix[i].vector,
+				 qede_msix_fp_int, 0, edev->fp_array[i].name,
+				 &edev->fp_array[i]);
+		if (rc) {
+			DP_ERR(edev, "Request fp %d irq failed\n", i);
+			qede_sync_free_irqs(edev);
+			return rc;
+		}
+		DP_VERBOSE(edev, NETIF_MSG_INTR,
+			   "Requested fp irq for %s [entry %d]. Cookie is at %p\n",
+			   edev->fp_array[i].name, i,
+			   &edev->fp_array[i]);
+		edev->int_info.used_cnt++;
+	}
+
+	return 0;
+}
+
+static void qede_simd_fp_handler(void *cookie)
+{
+	struct qede_fastpath *fp = (struct qede_fastpath *)cookie;
+
+	napi_schedule_irqoff(&fp->napi);
+}
+
+static int qede_setup_irqs(struct qede_dev *edev)
+{
+	int i, rc = 0;
+
+	/* Learn Interrupt configuration */
+	rc = edev->ops->common->get_fp_int(edev->cdev, &edev->int_info);
+	if (rc)
+		return rc;
+
+	if (edev->int_info.msix_cnt) {
+		rc = qede_req_msix_irqs(edev);
+		if (rc)
+			return rc;
+		edev->ndev->irq = edev->int_info.msix[0].vector;
+	} else {
+		const struct qed_common_ops *ops;
+
+		/* qed should learn receive the RSS ids and callbacks */
+		ops = edev->ops->common;
+		for (i = 0; i < QEDE_QUEUE_CNT(edev); i++)
+			ops->simd_handler_config(edev->cdev,
+						 &edev->fp_array[i], i,
+						 qede_simd_fp_handler);
+		edev->int_info.used_cnt = QEDE_QUEUE_CNT(edev);
+	}
+	return 0;
+}
+
+static int qede_drain_txq(struct qede_dev *edev,
+			  struct qede_tx_queue *txq, bool allow_drain)
+{
+	int rc, cnt = 1000;
+
+	while (txq->sw_tx_cons != txq->sw_tx_prod) {
+		if (!cnt) {
+			if (allow_drain) {
+				DP_NOTICE(edev,
+					  "Tx queue[%d] is stuck, requesting MCP to drain\n",
+					  txq->index);
+				rc = edev->ops->common->drain(edev->cdev);
+				if (rc)
+					return rc;
+				return qede_drain_txq(edev, txq, false);
+			}
+			DP_NOTICE(edev,
+				  "Timeout waiting for tx queue[%d]: PROD=%d, CONS=%d\n",
+				  txq->index, txq->sw_tx_prod,
+				  txq->sw_tx_cons);
+			return -ENODEV;
+		}
+		cnt--;
+		usleep_range(1000, 2000);
+		barrier();
+	}
+
+	/* FW finished processing, wait for HW to transmit all tx packets */
+	usleep_range(1000, 2000);
+
+	return 0;
+}
+
+static int qede_stop_txq(struct qede_dev *edev,
+			 struct qede_tx_queue *txq, int rss_id)
+{
+	return edev->ops->q_tx_stop(edev->cdev, rss_id, txq->handle);
+}
+
+static int qede_stop_queues(struct qede_dev *edev)
+{
+	struct qed_update_vport_params *vport_update_params;
+	struct qed_dev *cdev = edev->cdev;
+	struct qede_fastpath *fp;
+	int rc, i;
+
+	/* Disable the vport */
+	vport_update_params = vzalloc(sizeof(*vport_update_params));
+	if (!vport_update_params)
+		return -ENOMEM;
+
+	vport_update_params->vport_id = 0;
+	vport_update_params->update_vport_active_flg = 1;
+	vport_update_params->vport_active_flg = 0;
+	vport_update_params->update_rss_flg = 0;
+
+	rc = edev->ops->vport_update(cdev, vport_update_params);
+	vfree(vport_update_params);
+
+	if (rc) {
+		DP_ERR(edev, "Failed to update vport\n");
+		return rc;
+	}
+
+	/* Flush Tx queues. If needed, request drain from MCP */
+	for_each_queue(i) {
+		fp = &edev->fp_array[i];
+
+		if (fp->type & QEDE_FASTPATH_TX) {
+			int cos;
+
+			for_each_cos_in_txq(edev, cos) {
+				rc = qede_drain_txq(edev, &fp->txq[cos], true);
+				if (rc)
+					return rc;
+			}
+		}
+
+		if (fp->type & QEDE_FASTPATH_XDP) {
+			rc = qede_drain_txq(edev, fp->xdp_tx, true);
+			if (rc)
+				return rc;
+		}
+	}
+
+	/* Stop all Queues in reverse order */
+	for (i = QEDE_QUEUE_CNT(edev) - 1; i >= 0; i--) {
+		fp = &edev->fp_array[i];
+
+		/* Stop the Tx Queue(s) */
+		if (fp->type & QEDE_FASTPATH_TX) {
+			int cos;
+
+			for_each_cos_in_txq(edev, cos) {
+				rc = qede_stop_txq(edev, &fp->txq[cos], i);
+				if (rc)
+					return rc;
+			}
+		}
+
+		/* Stop the Rx Queue */
+		if (fp->type & QEDE_FASTPATH_RX) {
+			rc = edev->ops->q_rx_stop(cdev, i, fp->rxq->handle);
+			if (rc) {
+				DP_ERR(edev, "Failed to stop RXQ #%d\n", i);
+				return rc;
+			}
+		}
+
+		/* Stop the XDP forwarding queue */
+		if (fp->type & QEDE_FASTPATH_XDP) {
+			rc = qede_stop_txq(edev, fp->xdp_tx, i);
+			if (rc)
+				return rc;
+
+			bpf_prog_put(fp->rxq->xdp_prog);
+		}
+	}
+
+	/* Stop the vport */
+	rc = edev->ops->vport_stop(cdev, 0);
+	if (rc)
+		DP_ERR(edev, "Failed to stop VPORT\n");
+
+	return rc;
+}
+
+static int qede_start_txq(struct qede_dev *edev,
+			  struct qede_fastpath *fp,
+			  struct qede_tx_queue *txq, u8 rss_id, u16 sb_idx)
+{
+	dma_addr_t phys_table = qed_chain_get_pbl_phys(&txq->tx_pbl);
+	u32 page_cnt = qed_chain_get_page_cnt(&txq->tx_pbl);
+	struct qed_queue_start_common_params params;
+	struct qed_txq_start_ret_params ret_params;
+	int rc;
+
+	memset(&params, 0, sizeof(params));
+	memset(&ret_params, 0, sizeof(ret_params));
+
+	/* Let the XDP queue share the queue-zone with one of the regular txq.
+	 * We don't really care about its coalescing.
+	 */
+	if (txq->is_xdp)
+		params.queue_id = QEDE_TXQ_XDP_TO_IDX(edev, txq);
+	else
+		params.queue_id = txq->index;
+
+	params.p_sb = fp->sb_info;
+	params.sb_idx = sb_idx;
+	params.tc = txq->cos;
+
+	rc = edev->ops->q_tx_start(edev->cdev, rss_id, &params, phys_table,
+				   page_cnt, &ret_params);
+	if (rc) {
+		DP_ERR(edev, "Start TXQ #%d failed %d\n", txq->index, rc);
+		return rc;
+	}
+
+	txq->doorbell_addr = ret_params.p_doorbell;
+	txq->handle = ret_params.p_handle;
+
+	/* Determine the FW consumer address associated */
+	txq->hw_cons_ptr = &fp->sb_info->sb_virt->pi_array[sb_idx];
+
+	/* Prepare the doorbell parameters */
+	SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_DEST, DB_DEST_XCM);
+	SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_AGG_CMD, DB_AGG_CMD_SET);
+	SET_FIELD(txq->tx_db.data.params, ETH_DB_DATA_AGG_VAL_SEL,
+		  DQ_XCM_ETH_TX_BD_PROD_CMD);
+	txq->tx_db.data.agg_flags = DQ_XCM_ETH_DQ_CF_CMD;
+
+	return rc;
+}
+
+static int qede_start_queues(struct qede_dev *edev, bool clear_stats)
+{
+	int vlan_removal_en = 1;
+	struct qed_dev *cdev = edev->cdev;
+	struct qed_dev_info *qed_info = &edev->dev_info.common;
+	struct qed_update_vport_params *vport_update_params;
+	struct qed_queue_start_common_params q_params;
+	struct qed_start_vport_params start = {0};
+	int rc, i;
+
+	if (!edev->num_queues) {
+		DP_ERR(edev,
+		       "Cannot update V-VPORT as active as there are no Rx queues\n");
+		return -EINVAL;
+	}
+
+	vport_update_params = vzalloc(sizeof(*vport_update_params));
+	if (!vport_update_params)
+		return -ENOMEM;
+
+	start.handle_ptp_pkts = !!(edev->ptp);
+	start.gro_enable = !edev->gro_disable;
+	start.mtu = edev->ndev->mtu;
+	start.vport_id = 0;
+	start.drop_ttl0 = true;
+	start.remove_inner_vlan = vlan_removal_en;
+	start.clear_stats = clear_stats;
+
+	rc = edev->ops->vport_start(cdev, &start);
+
+	if (rc) {
+		DP_ERR(edev, "Start V-PORT failed %d\n", rc);
+		goto out;
+	}
+
+	DP_VERBOSE(edev, NETIF_MSG_IFUP,
+		   "Start vport ramrod passed, vport_id = %d, MTU = %d, vlan_removal_en = %d\n",
+		   start.vport_id, edev->ndev->mtu + 0xe, vlan_removal_en);
+
+	for_each_queue(i) {
+		struct qede_fastpath *fp = &edev->fp_array[i];
+		dma_addr_t p_phys_table;
+		u32 page_cnt;
+
+		if (fp->type & QEDE_FASTPATH_RX) {
+			struct qed_rxq_start_ret_params ret_params;
+			struct qede_rx_queue *rxq = fp->rxq;
+			__le16 *val;
+
+			memset(&ret_params, 0, sizeof(ret_params));
+			memset(&q_params, 0, sizeof(q_params));
+			q_params.queue_id = rxq->rxq_id;
+			q_params.vport_id = 0;
+			q_params.p_sb = fp->sb_info;
+			q_params.sb_idx = RX_PI;
+
+			p_phys_table =
+			    qed_chain_get_pbl_phys(&rxq->rx_comp_ring);
+			page_cnt = qed_chain_get_page_cnt(&rxq->rx_comp_ring);
+
+			rc = edev->ops->q_rx_start(cdev, i, &q_params,
+						   rxq->rx_buf_size,
+						   rxq->rx_bd_ring.p_phys_addr,
+						   p_phys_table,
+						   page_cnt, &ret_params);
+			if (rc) {
+				DP_ERR(edev, "Start RXQ #%d failed %d\n", i,
+				       rc);
+				goto out;
+			}
+
+			/* Use the return parameters */
+			rxq->hw_rxq_prod_addr = ret_params.p_prod;
+			rxq->handle = ret_params.p_handle;
+
+			val = &fp->sb_info->sb_virt->pi_array[RX_PI];
+			rxq->hw_cons_ptr = val;
+
+			qede_update_rx_prod(edev, rxq);
+		}
+
+		if (fp->type & QEDE_FASTPATH_XDP) {
+			rc = qede_start_txq(edev, fp, fp->xdp_tx, i, XDP_PI);
+			if (rc)
+				goto out;
+
+			fp->rxq->xdp_prog = bpf_prog_add(edev->xdp_prog, 1);
+			if (IS_ERR(fp->rxq->xdp_prog)) {
+				rc = PTR_ERR(fp->rxq->xdp_prog);
+				fp->rxq->xdp_prog = NULL;
+				goto out;
+			}
+		}
+
+		if (fp->type & QEDE_FASTPATH_TX) {
+			int cos;
+
+			for_each_cos_in_txq(edev, cos) {
+				rc = qede_start_txq(edev, fp, &fp->txq[cos], i,
+						    TX_PI(cos));
+				if (rc)
+					goto out;
+			}
+		}
+	}
+
+	/* Prepare and send the vport enable */
+	vport_update_params->vport_id = start.vport_id;
+	vport_update_params->update_vport_active_flg = 1;
+	vport_update_params->vport_active_flg = 1;
+
+	if ((qed_info->b_inter_pf_switch || pci_num_vf(edev->pdev)) &&
+	    qed_info->tx_switching) {
+		vport_update_params->update_tx_switching_flg = 1;
+		vport_update_params->tx_switching_flg = 1;
+	}
+
+	qede_fill_rss_params(edev, &vport_update_params->rss_params,
+			     &vport_update_params->update_rss_flg);
+
+	rc = edev->ops->vport_update(cdev, vport_update_params);
+	if (rc)
+		DP_ERR(edev, "Update V-PORT failed %d\n", rc);
+
+out:
+	vfree(vport_update_params);
+	return rc;
+}
+
+enum qede_unload_mode {
+	QEDE_UNLOAD_NORMAL,
+};
+
+static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
+			bool is_locked)
+{
+	struct qed_link_params link_params;
+	int rc;
+
+	DP_INFO(edev, "Starting qede unload\n");
+
+	if (!is_locked)
+		__qede_lock(edev);
+
+	edev->state = QEDE_STATE_CLOSED;
+
+	qede_rdma_dev_event_close(edev);
+
+	/* Close OS Tx */
+	netif_tx_disable(edev->ndev);
+	netif_carrier_off(edev->ndev);
+
+	/* Reset the link */
+	memset(&link_params, 0, sizeof(link_params));
+	link_params.link_up = false;
+	edev->ops->common->set_link(edev->cdev, &link_params);
+	rc = qede_stop_queues(edev);
+	if (rc) {
+		qede_sync_free_irqs(edev);
+		goto out;
+	}
+
+	DP_INFO(edev, "Stopped Queues\n");
+
+	qede_vlan_mark_nonconfigured(edev);
+	edev->ops->fastpath_stop(edev->cdev);
+
+	if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) {
+		qede_poll_for_freeing_arfs_filters(edev);
+		qede_free_arfs(edev);
+	}
+
+	/* Release the interrupts */
+	qede_sync_free_irqs(edev);
+	edev->ops->common->set_fp_int(edev->cdev, 0);
+
+	qede_napi_disable_remove(edev);
+
+	qede_free_mem_load(edev);
+	qede_free_fp_array(edev);
+
+out:
+	if (!is_locked)
+		__qede_unlock(edev);
+	DP_INFO(edev, "Ending qede unload\n");
+}
+
+enum qede_load_mode {
+	QEDE_LOAD_NORMAL,
+	QEDE_LOAD_RELOAD,
+};
+
+static int qede_load(struct qede_dev *edev, enum qede_load_mode mode,
+		     bool is_locked)
+{
+	struct qed_link_params link_params;
+	u8 num_tc;
+	int rc;
+
+	DP_INFO(edev, "Starting qede load\n");
+
+	if (!is_locked)
+		__qede_lock(edev);
+
+	rc = qede_set_num_queues(edev);
+	if (rc)
+		goto out;
+
+	rc = qede_alloc_fp_array(edev);
+	if (rc)
+		goto out;
+
+	qede_init_fp(edev);
+
+	rc = qede_alloc_mem_load(edev);
+	if (rc)
+		goto err1;
+	DP_INFO(edev, "Allocated %d Rx, %d Tx queues\n",
+		QEDE_RSS_COUNT(edev), QEDE_TSS_COUNT(edev));
+
+	rc = qede_set_real_num_queues(edev);
+	if (rc)
+		goto err2;
+
+	if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) {
+		rc = qede_alloc_arfs(edev);
+		if (rc)
+			DP_NOTICE(edev, "aRFS memory allocation failed\n");
+	}
+
+	qede_napi_add_enable(edev);
+	DP_INFO(edev, "Napi added and enabled\n");
+
+	rc = qede_setup_irqs(edev);
+	if (rc)
+		goto err3;
+	DP_INFO(edev, "Setup IRQs succeeded\n");
+
+	rc = qede_start_queues(edev, mode != QEDE_LOAD_RELOAD);
+	if (rc)
+		goto err4;
+	DP_INFO(edev, "Start VPORT, RXQ and TXQ succeeded\n");
+
+	num_tc = netdev_get_num_tc(edev->ndev);
+	num_tc = num_tc ? num_tc : edev->dev_info.num_tc;
+	qede_setup_tc(edev->ndev, num_tc);
+
+	/* Program un-configured VLANs */
+	qede_configure_vlan_filters(edev);
+
+	/* Ask for link-up using current configuration */
+	memset(&link_params, 0, sizeof(link_params));
+	link_params.link_up = true;
+	edev->ops->common->set_link(edev->cdev, &link_params);
+
+	edev->state = QEDE_STATE_OPEN;
+
+	DP_INFO(edev, "Ending successfully qede load\n");
+
+	goto out;
+err4:
+	qede_sync_free_irqs(edev);
+err3:
+	qede_napi_disable_remove(edev);
+err2:
+	qede_free_mem_load(edev);
+err1:
+	edev->ops->common->set_fp_int(edev->cdev, 0);
+	qede_free_fp_array(edev);
+	edev->num_queues = 0;
+	edev->fp_num_tx = 0;
+	edev->fp_num_rx = 0;
+out:
+	if (!is_locked)
+		__qede_unlock(edev);
+
+	return rc;
+}
+
+/* 'func' should be able to run between unload and reload assuming interface
+ * is actually running, or afterwards in case it's currently DOWN.
+ */
+void qede_reload(struct qede_dev *edev,
+		 struct qede_reload_args *args, bool is_locked)
+{
+	if (!is_locked)
+		__qede_lock(edev);
+
+	/* Since qede_lock is held, internal state wouldn't change even
+	 * if netdev state would start transitioning. Check whether current
+	 * internal configuration indicates device is up, then reload.
+	 */
+	if (edev->state == QEDE_STATE_OPEN) {
+		qede_unload(edev, QEDE_UNLOAD_NORMAL, true);
+		if (args)
+			args->func(edev, args);
+		qede_load(edev, QEDE_LOAD_RELOAD, true);
+
+		/* Since no one is going to do it for us, re-configure */
+		qede_config_rx_mode(edev->ndev);
+	} else if (args) {
+		args->func(edev, args);
+	}
+
+	if (!is_locked)
+		__qede_unlock(edev);
+}
+
+/* called with rtnl_lock */
+static int qede_open(struct net_device *ndev)
+{
+	struct qede_dev *edev = netdev_priv(ndev);
+	int rc;
+
+	netif_carrier_off(ndev);
+
+	edev->ops->common->set_power_state(edev->cdev, PCI_D0);
+
+	rc = qede_load(edev, QEDE_LOAD_NORMAL, false);
+	if (rc)
+		return rc;
+
+	udp_tunnel_get_rx_info(ndev);
+
+	edev->ops->common->update_drv_state(edev->cdev, true);
+
+	return 0;
+}
+
+static int qede_close(struct net_device *ndev)
+{
+	struct qede_dev *edev = netdev_priv(ndev);
+
+	qede_unload(edev, QEDE_UNLOAD_NORMAL, false);
+
+	edev->ops->common->update_drv_state(edev->cdev, false);
+
+	return 0;
+}
+
+static void qede_link_update(void *dev, struct qed_link_output *link)
+{
+	struct qede_dev *edev = dev;
+
+	if (!netif_running(edev->ndev)) {
+		DP_VERBOSE(edev, NETIF_MSG_LINK, "Interface is not running\n");
+		return;
+	}
+
+	if (link->link_up) {
+		if (!netif_carrier_ok(edev->ndev)) {
+			DP_NOTICE(edev, "Link is up\n");
+			netif_tx_start_all_queues(edev->ndev);
+			netif_carrier_on(edev->ndev);
+			qede_rdma_dev_event_open(edev);
+		}
+	} else {
+		if (netif_carrier_ok(edev->ndev)) {
+			DP_NOTICE(edev, "Link is down\n");
+			netif_tx_disable(edev->ndev);
+			netif_carrier_off(edev->ndev);
+			qede_rdma_dev_event_close(edev);
+		}
+	}
+}
+
+static bool qede_is_txq_full(struct qede_dev *edev, struct qede_tx_queue *txq)
+{
+	struct netdev_queue *netdev_txq;
+
+	netdev_txq = netdev_get_tx_queue(edev->ndev, txq->ndev_txq_id);
+	if (netif_xmit_stopped(netdev_txq))
+		return true;
+
+	return false;
+}
+
+static void qede_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data)
+{
+	struct qede_dev *edev = dev;
+	struct netdev_hw_addr *ha;
+	int i;
+
+	if (edev->ndev->features & NETIF_F_IP_CSUM)
+		data->feat_flags |= QED_TLV_IP_CSUM;
+	if (edev->ndev->features & NETIF_F_TSO)
+		data->feat_flags |= QED_TLV_LSO;
+
+	ether_addr_copy(data->mac[0], edev->ndev->dev_addr);
+	memset(data->mac[1], 0, ETH_ALEN);
+	memset(data->mac[2], 0, ETH_ALEN);
+	/* Copy the first two UC macs */
+	netif_addr_lock_bh(edev->ndev);
+	i = 1;
+	netdev_for_each_uc_addr(ha, edev->ndev) {
+		ether_addr_copy(data->mac[i++], ha->addr);
+		if (i == QED_TLV_MAC_COUNT)
+			break;
+	}
+
+	netif_addr_unlock_bh(edev->ndev);
+}
+
+static void qede_get_eth_tlv_data(void *dev, void *data)
+{
+	struct qed_mfw_tlv_eth *etlv = data;
+	struct qede_dev *edev = dev;
+	struct qede_fastpath *fp;
+	int i;
+
+	etlv->lso_maxoff_size = 0XFFFF;
+	etlv->lso_maxoff_size_set = true;
+	etlv->lso_minseg_size = (u16)ETH_TX_LSO_WINDOW_MIN_LEN;
+	etlv->lso_minseg_size_set = true;
+	etlv->prom_mode = !!(edev->ndev->flags & IFF_PROMISC);
+	etlv->prom_mode_set = true;
+	etlv->tx_descr_size = QEDE_TSS_COUNT(edev);
+	etlv->tx_descr_size_set = true;
+	etlv->rx_descr_size = QEDE_RSS_COUNT(edev);
+	etlv->rx_descr_size_set = true;
+	etlv->iov_offload = QED_MFW_TLV_IOV_OFFLOAD_VEB;
+	etlv->iov_offload_set = true;
+
+	/* Fill information regarding queues; Should be done under the qede
+	 * lock to guarantee those don't change beneath our feet.
+	 */
+	etlv->txqs_empty = true;
+	etlv->rxqs_empty = true;
+	etlv->num_txqs_full = 0;
+	etlv->num_rxqs_full = 0;
+
+	__qede_lock(edev);
+	for_each_queue(i) {
+		fp = &edev->fp_array[i];
+		if (fp->type & QEDE_FASTPATH_TX) {
+			struct qede_tx_queue *txq = QEDE_FP_TC0_TXQ(fp);
+
+			if (txq->sw_tx_cons != txq->sw_tx_prod)
+				etlv->txqs_empty = false;
+			if (qede_is_txq_full(edev, txq))
+				etlv->num_txqs_full++;
+		}
+		if (fp->type & QEDE_FASTPATH_RX) {
+			if (qede_has_rx_work(fp->rxq))
+				etlv->rxqs_empty = false;
+
+			/* This one is a bit tricky; Firmware might stop
+			 * placing packets if ring is not yet full.
+			 * Give an approximation.
+			 */
+			if (le16_to_cpu(*fp->rxq->hw_cons_ptr) -
+			    qed_chain_get_cons_idx(&fp->rxq->rx_comp_ring) >
+			    RX_RING_SIZE - 100)
+				etlv->num_rxqs_full++;
+		}
+	}
+	__qede_unlock(edev);
+
+	etlv->txqs_empty_set = true;
+	etlv->rxqs_empty_set = true;
+	etlv->num_txqs_full_set = true;
+	etlv->num_rxqs_full_set = true;
+}
-- 
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