Merging upstream version 6.7.7.

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

12 files changed, 133 insertions, 997 deletions

diff --git a/drivers/net/ethernet/intel/iavf/Makefile b/drivers/net/ethernet/intel/iavf/Makefile
index 9c3e45c54d..2d154a4e2f 100644
--- a/drivers/net/ethernet/intel/iavf/Makefile
+++ b/drivers/net/ethernet/intel/iavf/Makefile
@@ -13,4 +13,4 @@ obj-$(CONFIG_IAVF) += iavf.o
 
 iavf-objs := iavf_main.o iavf_ethtool.o iavf_virtchnl.o iavf_fdir.o \
 	     iavf_adv_rss.o \
-	     iavf_txrx.o iavf_common.o iavf_adminq.o iavf_client.o
+	     iavf_txrx.o iavf_common.o iavf_adminq.o
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h
index 431d9d62c8..63b45c61cc 100644
--- a/drivers/net/ethernet/intel/iavf/iavf.h
+++ b/drivers/net/ethernet/intel/iavf/iavf.h
@@ -63,7 +63,6 @@ struct iavf_vsi {
 	DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
 	int base_vector;
 	u16 qs_handle;
-	void *priv;     /* client driver data reference. */
 };
 
 /* How many Rx Buffers do we bundle into one write to the hardware ? */
@@ -256,7 +255,6 @@ struct iavf_adapter {
 	struct work_struct reset_task;
 	struct work_struct adminq_task;
 	struct work_struct finish_config;
-	struct delayed_work client_task;
 	wait_queue_head_t down_waitqueue;
 	wait_queue_head_t reset_waitqueue;
 	wait_queue_head_t vc_waitqueue;
@@ -265,7 +263,6 @@ struct iavf_adapter {
 	int num_vlan_filters;
 	struct list_head mac_filter_list;
 	struct mutex crit_lock;
-	struct mutex client_lock;
 	/* Lock to protect accesses to MAC and VLAN lists */
 	spinlock_t mac_vlan_list_lock;
 	char misc_vector_name[IFNAMSIZ + 9];
@@ -282,10 +279,6 @@ struct iavf_adapter {
 	u64 hw_csum_rx_error;
 	u32 rx_desc_count;
 	int num_msix_vectors;
-	int num_rdma_msix;
-	int rdma_base_vector;
-	u32 client_pending;
-	struct iavf_client_instance *cinst;
 	struct msix_entry *msix_entries;
 
 	u32 flags;
@@ -294,10 +287,6 @@ struct iavf_adapter {
 #define IAVF_FLAG_RESET_PENDING		BIT(4)
 #define IAVF_FLAG_RESET_NEEDED		BIT(5)
 #define IAVF_FLAG_WB_ON_ITR_CAPABLE		BIT(6)
-#define IAVF_FLAG_SERVICE_CLIENT_REQUESTED	BIT(9)
-#define IAVF_FLAG_CLIENT_NEEDS_OPEN		BIT(10)
-#define IAVF_FLAG_CLIENT_NEEDS_CLOSE		BIT(11)
-#define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS	BIT(12)
 #define IAVF_FLAG_LEGACY_RX			BIT(15)
 #define IAVF_FLAG_REINIT_ITR_NEEDED		BIT(16)
 #define IAVF_FLAG_QUEUES_DISABLED		BIT(17)
@@ -378,7 +367,6 @@ struct iavf_adapter {
 	unsigned long crit_section;
 
 	struct delayed_work watchdog_task;
-	bool netdev_registered;
 	bool link_up;
 	enum virtchnl_link_speed link_speed;
 	/* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
@@ -390,11 +378,6 @@ struct iavf_adapter {
 	u32 link_speed_mbps;
 
 	enum virtchnl_ops current_op;
-#define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \
-			    (_a)->vf_res->vf_cap_flags & \
-				VIRTCHNL_VF_OFFLOAD_RDMA : \
-			    0)
-#define CLIENT_ENABLED(_a) ((_a)->cinst)
 /* RSS by the PF should be preferred over RSS via other methods. */
 #define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
 		    VIRTCHNL_VF_OFFLOAD_RSS_PF)
@@ -407,6 +390,8 @@ struct iavf_adapter {
 			  VIRTCHNL_VF_OFFLOAD_VLAN)
 #define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
 			     VIRTCHNL_VF_OFFLOAD_VLAN_V2)
+#define CRC_OFFLOAD_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
+				 VIRTCHNL_VF_OFFLOAD_CRC)
 #define VLAN_V2_FILTERING_ALLOWED(_a) \
 	(VLAN_V2_ALLOWED((_a)) && \
 	 ((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
@@ -460,12 +445,6 @@ struct iavf_adapter {
 
 /* Ethtool Private Flags */
 
-/* lan device, used by client interface */
-struct iavf_device {
-	struct list_head list;
-	struct iavf_adapter *vf;
-};
-
 /* needed by iavf_ethtool.c */
 extern char iavf_driver_name[];
 
@@ -569,11 +548,6 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
 int iavf_config_rss(struct iavf_adapter *adapter);
 int iavf_lan_add_device(struct iavf_adapter *adapter);
 int iavf_lan_del_device(struct iavf_adapter *adapter);
-void iavf_client_subtask(struct iavf_adapter *adapter);
-void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len);
-void iavf_notify_client_l2_params(struct iavf_vsi *vsi);
-void iavf_notify_client_open(struct iavf_vsi *vsi);
-void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset);
 void iavf_enable_channels(struct iavf_adapter *adapter);
 void iavf_disable_channels(struct iavf_adapter *adapter);
 void iavf_add_cloud_filter(struct iavf_adapter *adapter);
diff --git a/drivers/net/ethernet/intel/iavf/iavf_client.c b/drivers/net/ethernet/intel/iavf/iavf_client.c
deleted file mode 100644
index e6051b6355..0000000000
--- a/drivers/net/ethernet/intel/iavf/iavf_client.c
+++ /dev/null
@@ -1,578 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
-
-#include <linux/list.h>
-#include <linux/errno.h>
-
-#include "iavf.h"
-#include "iavf_prototype.h"
-#include "iavf_client.h"
-
-static
-const char iavf_client_interface_version_str[] = IAVF_CLIENT_VERSION_STR;
-static struct iavf_client *vf_registered_client;
-static LIST_HEAD(iavf_devices);
-static DEFINE_MUTEX(iavf_device_mutex);
-
-static u32 iavf_client_virtchnl_send(struct iavf_info *ldev,
-				     struct iavf_client *client,
-				     u8 *msg, u16 len);
-
-static int iavf_client_setup_qvlist(struct iavf_info *ldev,
-				    struct iavf_client *client,
-				    struct iavf_qvlist_info *qvlist_info);
-
-static struct iavf_ops iavf_lan_ops = {
-	.virtchnl_send = iavf_client_virtchnl_send,
-	.setup_qvlist = iavf_client_setup_qvlist,
-};
-
-/**
- * iavf_client_get_params - retrieve relevant client parameters
- * @vsi: VSI with parameters
- * @params: client param struct
- **/
-static
-void iavf_client_get_params(struct iavf_vsi *vsi, struct iavf_params *params)
-{
-	int i;
-
-	memset(params, 0, sizeof(struct iavf_params));
-	params->mtu = vsi->netdev->mtu;
-	params->link_up = vsi->back->link_up;
-
-	for (i = 0; i < IAVF_MAX_USER_PRIORITY; i++) {
-		params->qos.prio_qos[i].tc = 0;
-		params->qos.prio_qos[i].qs_handle = vsi->qs_handle;
-	}
-}
-
-/**
- * iavf_notify_client_message - call the client message receive callback
- * @vsi: the VSI associated with this client
- * @msg: message buffer
- * @len: length of message
- *
- * If there is a client to this VSI, call the client
- **/
-void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len)
-{
-	struct iavf_client_instance *cinst;
-
-	if (!vsi)
-		return;
-
-	cinst = vsi->back->cinst;
-	if (!cinst || !cinst->client || !cinst->client->ops ||
-	    !cinst->client->ops->virtchnl_receive) {
-		dev_dbg(&vsi->back->pdev->dev,
-			"Cannot locate client instance virtchnl_receive function\n");
-		return;
-	}
-	cinst->client->ops->virtchnl_receive(&cinst->lan_info,  cinst->client,
-					     msg, len);
-}
-
-/**
- * iavf_notify_client_l2_params - call the client notify callback
- * @vsi: the VSI with l2 param changes
- *
- * If there is a client to this VSI, call the client
- **/
-void iavf_notify_client_l2_params(struct iavf_vsi *vsi)
-{
-	struct iavf_client_instance *cinst;
-	struct iavf_params params;
-
-	if (!vsi)
-		return;
-
-	cinst = vsi->back->cinst;
-
-	if (!cinst || !cinst->client || !cinst->client->ops ||
-	    !cinst->client->ops->l2_param_change) {
-		dev_dbg(&vsi->back->pdev->dev,
-			"Cannot locate client instance l2_param_change function\n");
-		return;
-	}
-	iavf_client_get_params(vsi, &params);
-	cinst->lan_info.params = params;
-	cinst->client->ops->l2_param_change(&cinst->lan_info, cinst->client,
-					    &params);
-}
-
-/**
- * iavf_notify_client_open - call the client open callback
- * @vsi: the VSI with netdev opened
- *
- * If there is a client to this netdev, call the client with open
- **/
-void iavf_notify_client_open(struct iavf_vsi *vsi)
-{
-	struct iavf_adapter *adapter = vsi->back;
-	struct iavf_client_instance *cinst = adapter->cinst;
-	int ret;
-
-	if (!cinst || !cinst->client || !cinst->client->ops ||
-	    !cinst->client->ops->open) {
-		dev_dbg(&vsi->back->pdev->dev,
-			"Cannot locate client instance open function\n");
-		return;
-	}
-	if (!(test_bit(__IAVF_CLIENT_INSTANCE_OPENED, &cinst->state))) {
-		ret = cinst->client->ops->open(&cinst->lan_info, cinst->client);
-		if (!ret)
-			set_bit(__IAVF_CLIENT_INSTANCE_OPENED, &cinst->state);
-	}
-}
-
-/**
- * iavf_client_release_qvlist - send a message to the PF to release rdma qv map
- * @ldev: pointer to L2 context.
- *
- * Return 0 on success or < 0 on error
- **/
-static int iavf_client_release_qvlist(struct iavf_info *ldev)
-{
-	struct iavf_adapter *adapter = ldev->vf;
-	enum iavf_status err;
-
-	if (adapter->aq_required)
-		return -EAGAIN;
-
-	err = iavf_aq_send_msg_to_pf(&adapter->hw,
-				     VIRTCHNL_OP_RELEASE_RDMA_IRQ_MAP,
-				     IAVF_SUCCESS, NULL, 0, NULL);
-
-	if (err)
-		dev_err(&adapter->pdev->dev,
-			"Unable to send RDMA vector release message to PF, error %d, aq status %d\n",
-			err, adapter->hw.aq.asq_last_status);
-
-	return err;
-}
-
-/**
- * iavf_notify_client_close - call the client close callback
- * @vsi: the VSI with netdev closed
- * @reset: true when close called due to reset pending
- *
- * If there is a client to this netdev, call the client with close
- **/
-void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset)
-{
-	struct iavf_adapter *adapter = vsi->back;
-	struct iavf_client_instance *cinst = adapter->cinst;
-
-	if (!cinst || !cinst->client || !cinst->client->ops ||
-	    !cinst->client->ops->close) {
-		dev_dbg(&vsi->back->pdev->dev,
-			"Cannot locate client instance close function\n");
-		return;
-	}
-	cinst->client->ops->close(&cinst->lan_info, cinst->client, reset);
-	iavf_client_release_qvlist(&cinst->lan_info);
-	clear_bit(__IAVF_CLIENT_INSTANCE_OPENED, &cinst->state);
-}
-
-/**
- * iavf_client_add_instance - add a client instance to the instance list
- * @adapter: pointer to the board struct
- *
- * Returns cinst ptr on success, NULL on failure
- **/
-static struct iavf_client_instance *
-iavf_client_add_instance(struct iavf_adapter *adapter)
-{
-	struct iavf_client_instance *cinst = NULL;
-	struct iavf_vsi *vsi = &adapter->vsi;
-	struct netdev_hw_addr *mac = NULL;
-	struct iavf_params params;
-
-	if (!vf_registered_client)
-		goto out;
-
-	if (adapter->cinst) {
-		cinst = adapter->cinst;
-		goto out;
-	}
-
-	cinst = kzalloc(sizeof(*cinst), GFP_KERNEL);
-	if (!cinst)
-		goto out;
-
-	cinst->lan_info.vf = (void *)adapter;
-	cinst->lan_info.netdev = vsi->netdev;
-	cinst->lan_info.pcidev = adapter->pdev;
-	cinst->lan_info.fid = 0;
-	cinst->lan_info.ftype = IAVF_CLIENT_FTYPE_VF;
-	cinst->lan_info.hw_addr = adapter->hw.hw_addr;
-	cinst->lan_info.ops = &iavf_lan_ops;
-	cinst->lan_info.version.major = IAVF_CLIENT_VERSION_MAJOR;
-	cinst->lan_info.version.minor = IAVF_CLIENT_VERSION_MINOR;
-	cinst->lan_info.version.build = IAVF_CLIENT_VERSION_BUILD;
-	iavf_client_get_params(vsi, &params);
-	cinst->lan_info.params = params;
-	set_bit(__IAVF_CLIENT_INSTANCE_NONE, &cinst->state);
-
-	cinst->lan_info.msix_count = adapter->num_rdma_msix;
-	cinst->lan_info.msix_entries =
-			&adapter->msix_entries[adapter->rdma_base_vector];
-
-	mac = list_first_entry(&cinst->lan_info.netdev->dev_addrs.list,
-			       struct netdev_hw_addr, list);
-	if (mac)
-		ether_addr_copy(cinst->lan_info.lanmac, mac->addr);
-	else
-		dev_err(&adapter->pdev->dev, "MAC address list is empty!\n");
-
-	cinst->client = vf_registered_client;
-	adapter->cinst = cinst;
-out:
-	return cinst;
-}
-
-/**
- * iavf_client_del_instance - removes a client instance from the list
- * @adapter: pointer to the board struct
- *
- **/
-static
-void iavf_client_del_instance(struct iavf_adapter *adapter)
-{
-	kfree(adapter->cinst);
-	adapter->cinst = NULL;
-}
-
-/**
- * iavf_client_subtask - client maintenance work
- * @adapter: board private structure
- **/
-void iavf_client_subtask(struct iavf_adapter *adapter)
-{
-	struct iavf_client *client = vf_registered_client;
-	struct iavf_client_instance *cinst;
-	int ret = 0;
-
-	if (adapter->state < __IAVF_DOWN)
-		return;
-
-	/* first check client is registered */
-	if (!client)
-		return;
-
-	/* Add the client instance to the instance list */
-	cinst = iavf_client_add_instance(adapter);
-	if (!cinst)
-		return;
-
-	dev_info(&adapter->pdev->dev, "Added instance of Client %s\n",
-		 client->name);
-
-	if (!test_bit(__IAVF_CLIENT_INSTANCE_OPENED, &cinst->state)) {
-		/* Send an Open request to the client */
-
-		if (client->ops && client->ops->open)
-			ret = client->ops->open(&cinst->lan_info, client);
-		if (!ret)
-			set_bit(__IAVF_CLIENT_INSTANCE_OPENED,
-				&cinst->state);
-		else
-			/* remove client instance */
-			iavf_client_del_instance(adapter);
-	}
-}
-
-/**
- * iavf_lan_add_device - add a lan device struct to the list of lan devices
- * @adapter: pointer to the board struct
- *
- * Returns 0 on success or none 0 on error
- **/
-int iavf_lan_add_device(struct iavf_adapter *adapter)
-{
-	struct iavf_device *ldev;
-	int ret = 0;
-
-	mutex_lock(&iavf_device_mutex);
-	list_for_each_entry(ldev, &iavf_devices, list) {
-		if (ldev->vf == adapter) {
-			ret = -EEXIST;
-			goto out;
-		}
-	}
-	ldev = kzalloc(sizeof(*ldev), GFP_KERNEL);
-	if (!ldev) {
-		ret = -ENOMEM;
-		goto out;
-	}
-	ldev->vf = adapter;
-	INIT_LIST_HEAD(&ldev->list);
-	list_add(&ldev->list, &iavf_devices);
-	dev_info(&adapter->pdev->dev, "Added LAN device bus=0x%02x dev=0x%02x func=0x%02x\n",
-		 adapter->hw.bus.bus_id, adapter->hw.bus.device,
-		 adapter->hw.bus.func);
-
-	/* Since in some cases register may have happened before a device gets
-	 * added, we can schedule a subtask to go initiate the clients.
-	 */
-	adapter->flags |= IAVF_FLAG_SERVICE_CLIENT_REQUESTED;
-
-out:
-	mutex_unlock(&iavf_device_mutex);
-	return ret;
-}
-
-/**
- * iavf_lan_del_device - removes a lan device from the device list
- * @adapter: pointer to the board struct
- *
- * Returns 0 on success or non-0 on error
- **/
-int iavf_lan_del_device(struct iavf_adapter *adapter)
-{
-	struct iavf_device *ldev, *tmp;
-	int ret = -ENODEV;
-
-	mutex_lock(&iavf_device_mutex);
-	list_for_each_entry_safe(ldev, tmp, &iavf_devices, list) {
-		if (ldev->vf == adapter) {
-			dev_info(&adapter->pdev->dev,
-				 "Deleted LAN device bus=0x%02x dev=0x%02x func=0x%02x\n",
-				 adapter->hw.bus.bus_id, adapter->hw.bus.device,
-				 adapter->hw.bus.func);
-			list_del(&ldev->list);
-			kfree(ldev);
-			ret = 0;
-			break;
-		}
-	}
-
-	mutex_unlock(&iavf_device_mutex);
-	return ret;
-}
-
-/**
- * iavf_client_release - release client specific resources
- * @client: pointer to the registered client
- *
- **/
-static void iavf_client_release(struct iavf_client *client)
-{
-	struct iavf_client_instance *cinst;
-	struct iavf_device *ldev;
-	struct iavf_adapter *adapter;
-
-	mutex_lock(&iavf_device_mutex);
-	list_for_each_entry(ldev, &iavf_devices, list) {
-		adapter = ldev->vf;
-		cinst = adapter->cinst;
-		if (!cinst)
-			continue;
-		if (test_bit(__IAVF_CLIENT_INSTANCE_OPENED, &cinst->state)) {
-			if (client->ops && client->ops->close)
-				client->ops->close(&cinst->lan_info, client,
-						   false);
-			iavf_client_release_qvlist(&cinst->lan_info);
-			clear_bit(__IAVF_CLIENT_INSTANCE_OPENED, &cinst->state);
-
-			dev_warn(&adapter->pdev->dev,
-				 "Client %s instance closed\n", client->name);
-		}
-		/* delete the client instance */
-		iavf_client_del_instance(adapter);
-		dev_info(&adapter->pdev->dev, "Deleted client instance of Client %s\n",
-			 client->name);
-	}
-	mutex_unlock(&iavf_device_mutex);
-}
-
-/**
- * iavf_client_prepare - prepare client specific resources
- * @client: pointer to the registered client
- *
- **/
-static void iavf_client_prepare(struct iavf_client *client)
-{
-	struct iavf_device *ldev;
-	struct iavf_adapter *adapter;
-
-	mutex_lock(&iavf_device_mutex);
-	list_for_each_entry(ldev, &iavf_devices, list) {
-		adapter = ldev->vf;
-		/* Signal the watchdog to service the client */
-		adapter->flags |= IAVF_FLAG_SERVICE_CLIENT_REQUESTED;
-	}
-	mutex_unlock(&iavf_device_mutex);
-}
-
-/**
- * iavf_client_virtchnl_send - send a message to the PF instance
- * @ldev: pointer to L2 context.
- * @client: Client pointer.
- * @msg: pointer to message buffer
- * @len: message length
- *
- * Return 0 on success or < 0 on error
- **/
-static u32 iavf_client_virtchnl_send(struct iavf_info *ldev,
-				     struct iavf_client *client,
-				     u8 *msg, u16 len)
-{
-	struct iavf_adapter *adapter = ldev->vf;
-	enum iavf_status err;
-
-	if (adapter->aq_required)
-		return -EAGAIN;
-
-	err = iavf_aq_send_msg_to_pf(&adapter->hw, VIRTCHNL_OP_RDMA,
-				     IAVF_SUCCESS, msg, len, NULL);
-	if (err)
-		dev_err(&adapter->pdev->dev, "Unable to send RDMA message to PF, error %d, aq status %d\n",
-			err, adapter->hw.aq.asq_last_status);
-
-	return err;
-}
-
-/**
- * iavf_client_setup_qvlist - send a message to the PF to setup rdma qv map
- * @ldev: pointer to L2 context.
- * @client: Client pointer.
- * @qvlist_info: queue and vector list
- *
- * Return 0 on success or < 0 on error
- **/
-static int iavf_client_setup_qvlist(struct iavf_info *ldev,
-				    struct iavf_client *client,
-				    struct iavf_qvlist_info *qvlist_info)
-{
-	struct virtchnl_rdma_qvlist_info *v_qvlist_info;
-	struct iavf_adapter *adapter = ldev->vf;
-	struct iavf_qv_info *qv_info;
-	enum iavf_status err;
-	u32 v_idx, i;
-	size_t msg_size;
-
-	if (adapter->aq_required)
-		return -EAGAIN;
-
-	/* A quick check on whether the vectors belong to the client */
-	for (i = 0; i < qvlist_info->num_vectors; i++) {
-		qv_info = &qvlist_info->qv_info[i];
-		if (!qv_info)
-			continue;
-		v_idx = qv_info->v_idx;
-		if ((v_idx >=
-		    (adapter->rdma_base_vector + adapter->num_rdma_msix)) ||
-		    (v_idx < adapter->rdma_base_vector))
-			return -EINVAL;
-	}
-
-	v_qvlist_info = (struct virtchnl_rdma_qvlist_info *)qvlist_info;
-	msg_size = virtchnl_struct_size(v_qvlist_info, qv_info,
-					v_qvlist_info->num_vectors);
-
-	adapter->client_pending |= BIT(VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP);
-	err = iavf_aq_send_msg_to_pf(&adapter->hw,
-				VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP, IAVF_SUCCESS,
-				(u8 *)v_qvlist_info, msg_size, NULL);
-
-	if (err) {
-		dev_err(&adapter->pdev->dev,
-			"Unable to send RDMA vector config message to PF, error %d, aq status %d\n",
-			err, adapter->hw.aq.asq_last_status);
-		goto out;
-	}
-
-	err = -EBUSY;
-	for (i = 0; i < 5; i++) {
-		msleep(100);
-		if (!(adapter->client_pending &
-		      BIT(VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP))) {
-			err = 0;
-			break;
-		}
-	}
-out:
-	return err;
-}
-
-/**
- * iavf_register_client - Register a iavf client driver with the L2 driver
- * @client: pointer to the iavf_client struct
- *
- * Returns 0 on success or non-0 on error
- **/
-int iavf_register_client(struct iavf_client *client)
-{
-	int ret = 0;
-
-	if (!client) {
-		ret = -EIO;
-		goto out;
-	}
-
-	if (strlen(client->name) == 0) {
-		pr_info("iavf: Failed to register client with no name\n");
-		ret = -EIO;
-		goto out;
-	}
-
-	if (vf_registered_client) {
-		pr_info("iavf: Client %s has already been registered!\n",
-			client->name);
-		ret = -EEXIST;
-		goto out;
-	}
-
-	if ((client->version.major != IAVF_CLIENT_VERSION_MAJOR) ||
-	    (client->version.minor != IAVF_CLIENT_VERSION_MINOR)) {
-		pr_info("iavf: Failed to register client %s due to mismatched client interface version\n",
-			client->name);
-		pr_info("Client is using version: %02d.%02d.%02d while LAN driver supports %s\n",
-			client->version.major, client->version.minor,
-			client->version.build,
-			iavf_client_interface_version_str);
-		ret = -EIO;
-		goto out;
-	}
-
-	vf_registered_client = client;
-
-	iavf_client_prepare(client);
-
-	pr_info("iavf: Registered client %s with return code %d\n",
-		client->name, ret);
-out:
-	return ret;
-}
-EXPORT_SYMBOL(iavf_register_client);
-
-/**
- * iavf_unregister_client - Unregister a iavf client driver with the L2 driver
- * @client: pointer to the iavf_client struct
- *
- * Returns 0 on success or non-0 on error
- **/
-int iavf_unregister_client(struct iavf_client *client)
-{
-	int ret = 0;
-
-	/* When a unregister request comes through we would have to send
-	 * a close for each of the client instances that were opened.
-	 * client_release function is called to handle this.
-	 */
-	iavf_client_release(client);
-
-	if (vf_registered_client != client) {
-		pr_info("iavf: Client %s has not been registered\n",
-			client->name);
-		ret = -ENODEV;
-		goto out;
-	}
-	vf_registered_client = NULL;
-	pr_info("iavf: Unregistered client %s\n", client->name);
-out:
-	return ret;
-}
-EXPORT_SYMBOL(iavf_unregister_client);
diff --git a/drivers/net/ethernet/intel/iavf/iavf_client.h b/drivers/net/ethernet/intel/iavf/iavf_client.h
deleted file mode 100644
index 500269bc0f..0000000000
--- a/drivers/net/ethernet/intel/iavf/iavf_client.h
+++ /dev/null
@@ -1,169 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
-
-#ifndef _IAVF_CLIENT_H_
-#define _IAVF_CLIENT_H_
-
-#define IAVF_CLIENT_STR_LENGTH 10
-
-/* Client interface version should be updated anytime there is a change in the
- * existing APIs or data structures.
- */
-#define IAVF_CLIENT_VERSION_MAJOR 0
-#define IAVF_CLIENT_VERSION_MINOR 01
-#define IAVF_CLIENT_VERSION_BUILD 00
-#define IAVF_CLIENT_VERSION_STR     \
-	__stringify(IAVF_CLIENT_VERSION_MAJOR) "." \
-	__stringify(IAVF_CLIENT_VERSION_MINOR) "." \
-	__stringify(IAVF_CLIENT_VERSION_BUILD)
-
-struct iavf_client_version {
-	u8 major;
-	u8 minor;
-	u8 build;
-	u8 rsvd;
-};
-
-enum iavf_client_state {
-	__IAVF_CLIENT_NULL,
-	__IAVF_CLIENT_REGISTERED
-};
-
-enum iavf_client_instance_state {
-	__IAVF_CLIENT_INSTANCE_NONE,
-	__IAVF_CLIENT_INSTANCE_OPENED,
-};
-
-struct iavf_ops;
-struct iavf_client;
-
-/* HW does not define a type value for AEQ; only for RX/TX and CEQ.
- * In order for us to keep the interface simple, SW will define a
- * unique type value for AEQ.
- */
-#define IAVF_QUEUE_TYPE_PE_AEQ	0x80
-#define IAVF_QUEUE_INVALID_IDX	0xFFFF
-
-struct iavf_qv_info {
-	u32 v_idx; /* msix_vector */
-	u16 ceq_idx;
-	u16 aeq_idx;
-	u8 itr_idx;
-};
-
-struct iavf_qvlist_info {
-	u32 num_vectors;
-	struct iavf_qv_info qv_info[];
-};
-
-#define IAVF_CLIENT_MSIX_ALL 0xFFFFFFFF
-
-/* set of LAN parameters useful for clients managed by LAN */
-
-/* Struct to hold per priority info */
-struct iavf_prio_qos_params {
-	u16 qs_handle; /* qs handle for prio */
-	u8 tc; /* TC mapped to prio */
-	u8 reserved;
-};
-
-#define IAVF_CLIENT_MAX_USER_PRIORITY	8
-/* Struct to hold Client QoS */
-struct iavf_qos_params {
-	struct iavf_prio_qos_params prio_qos[IAVF_CLIENT_MAX_USER_PRIORITY];
-};
-
-struct iavf_params {
-	struct iavf_qos_params qos;
-	u16 mtu;
-	u16 link_up; /* boolean */
-};
-
-/* Structure to hold LAN device info for a client device */
-struct iavf_info {
-	struct iavf_client_version version;
-	u8 lanmac[6];
-	struct net_device *netdev;
-	struct pci_dev *pcidev;
-	u8 __iomem *hw_addr;
-	u8 fid;	/* function id, PF id or VF id */
-#define IAVF_CLIENT_FTYPE_PF 0
-#define IAVF_CLIENT_FTYPE_VF 1
-	u8 ftype; /* function type, PF or VF */
-	void *vf; /* cast to iavf_adapter */
-
-	/* All L2 params that could change during the life span of the device
-	 * and needs to be communicated to the client when they change
-	 */
-	struct iavf_params params;
-	struct iavf_ops *ops;
-
-	u16 msix_count;	 /* number of msix vectors*/
-	/* Array down below will be dynamically allocated based on msix_count */
-	struct msix_entry *msix_entries;
-	u16 itr_index; /* Which ITR index the PE driver is suppose to use */
-};
-
-struct iavf_ops {
-	/* setup_q_vector_list enables queues with a particular vector */
-	int (*setup_qvlist)(struct iavf_info *ldev, struct iavf_client *client,
-			    struct iavf_qvlist_info *qv_info);
-
-	u32 (*virtchnl_send)(struct iavf_info *ldev, struct iavf_client *client,
-			     u8 *msg, u16 len);
-
-	/* If the PE Engine is unresponsive, RDMA driver can request a reset.*/
-	void (*request_reset)(struct iavf_info *ldev,
-			      struct iavf_client *client);
-};
-
-struct iavf_client_ops {
-	/* Should be called from register_client() or whenever the driver is
-	 * ready to create a specific client instance.
-	 */
-	int (*open)(struct iavf_info *ldev, struct iavf_client *client);
-
-	/* Should be closed when netdev is unavailable or when unregister
-	 * call comes in. If the close happens due to a reset, set the reset
-	 * bit to true.
-	 */
-	void (*close)(struct iavf_info *ldev, struct iavf_client *client,
-		      bool reset);
-
-	/* called when some l2 managed parameters changes - mss */
-	void (*l2_param_change)(struct iavf_info *ldev,
-				struct iavf_client *client,
-				struct iavf_params *params);
-
-	/* called when a message is received from the PF */
-	int (*virtchnl_receive)(struct iavf_info *ldev,
-				struct iavf_client *client,
-				u8 *msg, u16 len);
-};
-
-/* Client device */
-struct iavf_client_instance {
-	struct list_head list;
-	struct iavf_info lan_info;
-	struct iavf_client *client;
-	unsigned long  state;
-};
-
-struct iavf_client {
-	struct list_head list;		/* list of registered clients */
-	char name[IAVF_CLIENT_STR_LENGTH];
-	struct iavf_client_version version;
-	unsigned long state;		/* client state */
-	atomic_t ref_cnt;  /* Count of all the client devices of this kind */
-	u32 flags;
-#define IAVF_CLIENT_FLAGS_LAUNCH_ON_PROBE	BIT(0)
-#define IAVF_TX_FLAGS_NOTIFY_OTHER_EVENTS	BIT(2)
-	u8 type;
-#define IAVF_CLIENT_RDMA 0
-	struct iavf_client_ops *ops;	/* client ops provided by the client */
-};
-
-/* used by clients */
-int iavf_register_client(struct iavf_client *client);
-int iavf_unregister_client(struct iavf_client *client);
-#endif /* _IAVF_CLIENT_H_ */
diff --git a/drivers/net/ethernet/intel/iavf/iavf_common.c b/drivers/net/ethernet/intel/iavf/iavf_common.c
index 1afd761d80..6a10c0ecf2 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_common.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_common.c
@@ -1,42 +1,11 @@
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright(c) 2013 - 2018 Intel Corporation. */
 
+#include <linux/avf/virtchnl.h>
+#include <linux/bitfield.h>
 #include "iavf_type.h"
 #include "iavf_adminq.h"
 #include "iavf_prototype.h"
-#include <linux/avf/virtchnl.h>
-
-/**
- * iavf_set_mac_type - Sets MAC type
- * @hw: pointer to the HW structure
- *
- * This function sets the mac type of the adapter based on the
- * vendor ID and device ID stored in the hw structure.
- **/
-enum iavf_status iavf_set_mac_type(struct iavf_hw *hw)
-{
-	enum iavf_status status = 0;
-
-	if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
-		switch (hw->device_id) {
-		case IAVF_DEV_ID_X722_VF:
-			hw->mac.type = IAVF_MAC_X722_VF;
-			break;
-		case IAVF_DEV_ID_VF:
-		case IAVF_DEV_ID_VF_HV:
-		case IAVF_DEV_ID_ADAPTIVE_VF:
-			hw->mac.type = IAVF_MAC_VF;
-			break;
-		default:
-			hw->mac.type = IAVF_MAC_GENERIC;
-			break;
-		}
-	} else {
-		status = IAVF_ERR_DEVICE_NOT_SUPPORTED;
-	}
-
-	return status;
-}
 
 /**
  * iavf_aq_str - convert AQ err code to a string
diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
index 892c6a4f03..25ba5653ac 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
@@ -1,11 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright(c) 2013 - 2018 Intel Corporation. */
 
+#include <linux/bitfield.h>
+#include <linux/uaccess.h>
+
 /* ethtool support for iavf */
 #include "iavf.h"
 
-#include <linux/uaccess.h>
-
 /* ethtool statistics helpers */
 
 /**
@@ -395,11 +396,9 @@ static void iavf_get_priv_flag_strings(struct net_device *netdev, u8 *data)
 {
 	unsigned int i;
 
-	for (i = 0; i < IAVF_PRIV_FLAGS_STR_LEN; i++) {
-		snprintf(data, ETH_GSTRING_LEN, "%s",
-			 iavf_gstrings_priv_flags[i].flag_string);
-		data += ETH_GSTRING_LEN;
-	}
+	for (i = 0; i < IAVF_PRIV_FLAGS_STR_LEN; i++)
+		ethtool_sprintf(&data, "%s",
+				iavf_gstrings_priv_flags[i].flag_string);
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/iavf/iavf_fdir.c b/drivers/net/ethernet/intel/iavf/iavf_fdir.c
index 03e774bd2a..65ddcd81c9 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_fdir.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_fdir.c
@@ -3,6 +3,7 @@
 
 /* flow director ethtool support for iavf */
 
+#include <linux/bitfield.h>
 #include "iavf.h"
 
 #define GTPU_PORT	2152
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 257865647c..e8d5b889ad 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -3,7 +3,6 @@
 
 #include "iavf.h"
 #include "iavf_prototype.h"
-#include "iavf_client.h"
 /* All iavf tracepoints are defined by the include below, which must
  * be included exactly once across the whole kernel with
  * CREATE_TRACE_POINTS defined
@@ -1255,7 +1254,7 @@ static void iavf_configure(struct iavf_adapter *adapter)
  * iavf_up_complete - Finish the last steps of bringing up a connection
  * @adapter: board private structure
  *
- * Expects to be called while holding the __IAVF_IN_CRITICAL_TASK bit lock.
+ * Expects to be called while holding crit_lock.
  **/
 static void iavf_up_complete(struct iavf_adapter *adapter)
 {
@@ -1265,8 +1264,6 @@ static void iavf_up_complete(struct iavf_adapter *adapter)
 	iavf_napi_enable_all(adapter);
 
 	adapter->aq_required |= IAVF_FLAG_AQ_ENABLE_QUEUES;
-	if (CLIENT_ENABLED(adapter))
-		adapter->flags |= IAVF_FLAG_CLIENT_NEEDS_OPEN;
 	mod_delayed_work(adapter->wq, &adapter->watchdog_task, 0);
 }
 
@@ -1381,7 +1378,7 @@ static void iavf_clear_adv_rss_conf(struct iavf_adapter *adapter)
  * iavf_down - Shutdown the connection processing
  * @adapter: board private structure
  *
- * Expects to be called while holding the __IAVF_IN_CRITICAL_TASK bit lock.
+ * Expects to be called while holding crit_lock.
  **/
 void iavf_down(struct iavf_adapter *adapter)
 {
@@ -1401,8 +1398,10 @@ void iavf_down(struct iavf_adapter *adapter)
 	iavf_clear_fdir_filters(adapter);
 	iavf_clear_adv_rss_conf(adapter);
 
-	if (!(adapter->flags & IAVF_FLAG_PF_COMMS_FAILED) &&
-	    !(test_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section))) {
+	if (adapter->flags & IAVF_FLAG_PF_COMMS_FAILED)
+		return;
+
+	if (!test_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section)) {
 		/* cancel any current operation */
 		adapter->current_op = VIRTCHNL_OP_UNKNOWN;
 		/* Schedule operations to close down the HW. Don't wait
@@ -1934,6 +1933,17 @@ err_alloc_queues:
 }
 
 /**
+ * iavf_free_interrupt_scheme - Undo what iavf_init_interrupt_scheme does
+ * @adapter: board private structure
+ **/
+static void iavf_free_interrupt_scheme(struct iavf_adapter *adapter)
+{
+	iavf_free_q_vectors(adapter);
+	iavf_reset_interrupt_capability(adapter);
+	iavf_free_queues(adapter);
+}
+
+/**
  * iavf_free_rss - Free memory used by RSS structs
  * @adapter: board private structure
  **/
@@ -1961,11 +1971,9 @@ static int iavf_reinit_interrupt_scheme(struct iavf_adapter *adapter, bool runni
 	if (running)
 		iavf_free_traffic_irqs(adapter);
 	iavf_free_misc_irq(adapter);
-	iavf_reset_interrupt_capability(adapter);
-	iavf_free_q_vectors(adapter);
-	iavf_free_queues(adapter);
+	iavf_free_interrupt_scheme(adapter);
 
-	err =  iavf_init_interrupt_scheme(adapter);
+	err = iavf_init_interrupt_scheme(adapter);
 	if (err)
 		goto err;
 
@@ -2000,7 +2008,7 @@ static void iavf_finish_config(struct work_struct *work)
 	mutex_lock(&adapter->crit_lock);
 
 	if ((adapter->flags & IAVF_FLAG_SETUP_NETDEV_FEATURES) &&
-	    adapter->netdev_registered &&
+	    adapter->netdev->reg_state == NETREG_REGISTERED &&
 	    !test_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section)) {
 		netdev_update_features(adapter->netdev);
 		adapter->flags &= ~IAVF_FLAG_SETUP_NETDEV_FEATURES;
@@ -2008,7 +2016,7 @@ static void iavf_finish_config(struct work_struct *work)
 
 	switch (adapter->state) {
 	case __IAVF_DOWN:
-		if (!adapter->netdev_registered) {
+		if (adapter->netdev->reg_state != NETREG_REGISTERED) {
 			err = register_netdevice(adapter->netdev);
 			if (err) {
 				dev_err(&adapter->pdev->dev, "Unable to register netdev (%d)\n",
@@ -2022,7 +2030,6 @@ static void iavf_finish_config(struct work_struct *work)
 						  __IAVF_INIT_CONFIG_ADAPTER);
 				goto out;
 			}
-			adapter->netdev_registered = true;
 		}
 
 		/* Set the real number of queues when reset occurs while
@@ -2337,11 +2344,6 @@ static void iavf_startup(struct iavf_adapter *adapter)
 	/* driver loaded, probe complete */
 	adapter->flags &= ~IAVF_FLAG_PF_COMMS_FAILED;
 	adapter->flags &= ~IAVF_FLAG_RESET_PENDING;
-	status = iavf_set_mac_type(hw);
-	if (status) {
-		dev_err(&pdev->dev, "Failed to set MAC type (%d)\n", status);
-		goto err;
-	}
 
 	ret = iavf_check_reset_complete(hw);
 	if (ret) {
@@ -2682,12 +2684,6 @@ static void iavf_init_config_adapter(struct iavf_adapter *adapter)
 	adapter->link_up = false;
 	netif_tx_stop_all_queues(netdev);
 
-	if (CLIENT_ALLOWED(adapter)) {
-		err = iavf_lan_add_device(adapter);
-		if (err)
-			dev_info(&pdev->dev, "Failed to add VF to client API service list: %d\n",
-				 err);
-	}
 	dev_info(&pdev->dev, "MAC address: %pM\n", adapter->hw.mac.addr);
 	if (netdev->features & NETIF_F_GRO)
 		dev_info(&pdev->dev, "GRO is enabled\n");
@@ -2884,7 +2880,6 @@ static void iavf_watchdog_task(struct work_struct *work)
 		return;
 	}
 
-	schedule_delayed_work(&adapter->client_task, msecs_to_jiffies(5));
 	mutex_unlock(&adapter->crit_lock);
 restart_watchdog:
 	if (adapter->state >= __IAVF_DOWN)
@@ -2953,9 +2948,7 @@ static void iavf_disable_vf(struct iavf_adapter *adapter)
 	spin_unlock_bh(&adapter->cloud_filter_list_lock);
 
 	iavf_free_misc_irq(adapter);
-	iavf_reset_interrupt_capability(adapter);
-	iavf_free_q_vectors(adapter);
-	iavf_free_queues(adapter);
+	iavf_free_interrupt_scheme(adapter);
 	memset(adapter->vf_res, 0, IAVF_VIRTCHNL_VF_RESOURCE_SIZE);
 	iavf_shutdown_adminq(&adapter->hw);
 	adapter->flags &= ~IAVF_FLAG_RESET_PENDING;
@@ -2997,16 +2990,6 @@ static void iavf_reset_task(struct work_struct *work)
 		return;
 	}
 
-	while (!mutex_trylock(&adapter->client_lock))
-		usleep_range(500, 1000);
-	if (CLIENT_ENABLED(adapter)) {
-		adapter->flags &= ~(IAVF_FLAG_CLIENT_NEEDS_OPEN |
-				    IAVF_FLAG_CLIENT_NEEDS_CLOSE |
-				    IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS |
-				    IAVF_FLAG_SERVICE_CLIENT_REQUESTED);
-		cancel_delayed_work_sync(&adapter->client_task);
-		iavf_notify_client_close(&adapter->vsi, true);
-	}
 	iavf_misc_irq_disable(adapter);
 	if (adapter->flags & IAVF_FLAG_RESET_NEEDED) {
 		adapter->flags &= ~IAVF_FLAG_RESET_NEEDED;
@@ -3050,7 +3033,6 @@ static void iavf_reset_task(struct work_struct *work)
 		dev_err(&adapter->pdev->dev, "Reset never finished (%x)\n",
 			reg_val);
 		iavf_disable_vf(adapter);
-		mutex_unlock(&adapter->client_lock);
 		mutex_unlock(&adapter->crit_lock);
 		return; /* Do not attempt to reinit. It's dead, Jim. */
 	}
@@ -3189,7 +3171,6 @@ continue_reset:
 	adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
 
 	wake_up(&adapter->reset_waitqueue);
-	mutex_unlock(&adapter->client_lock);
 	mutex_unlock(&adapter->crit_lock);
 
 	return;
@@ -3200,7 +3181,6 @@ reset_err:
 	}
 	iavf_disable_vf(adapter);
 
-	mutex_unlock(&adapter->client_lock);
 	mutex_unlock(&adapter->crit_lock);
 	dev_err(&adapter->pdev->dev, "failed to allocate resources during reinit\n");
 }
@@ -3300,48 +3280,6 @@ out:
 }
 
 /**
- * iavf_client_task - worker thread to perform client work
- * @work: pointer to work_struct containing our data
- *
- * This task handles client interactions. Because client calls can be
- * reentrant, we can't handle them in the watchdog.
- **/
-static void iavf_client_task(struct work_struct *work)
-{
-	struct iavf_adapter *adapter =
-		container_of(work, struct iavf_adapter, client_task.work);
-
-	/* If we can't get the client bit, just give up. We'll be rescheduled
-	 * later.
-	 */
-
-	if (!mutex_trylock(&adapter->client_lock))
-		return;
-
-	if (adapter->flags & IAVF_FLAG_SERVICE_CLIENT_REQUESTED) {
-		iavf_client_subtask(adapter);
-		adapter->flags &= ~IAVF_FLAG_SERVICE_CLIENT_REQUESTED;
-		goto out;
-	}
-	if (adapter->flags & IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS) {
-		iavf_notify_client_l2_params(&adapter->vsi);
-		adapter->flags &= ~IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS;
-		goto out;
-	}
-	if (adapter->flags & IAVF_FLAG_CLIENT_NEEDS_CLOSE) {
-		iavf_notify_client_close(&adapter->vsi, false);
-		adapter->flags &= ~IAVF_FLAG_CLIENT_NEEDS_CLOSE;
-		goto out;
-	}
-	if (adapter->flags & IAVF_FLAG_CLIENT_NEEDS_OPEN) {
-		iavf_notify_client_open(&adapter->vsi);
-		adapter->flags &= ~IAVF_FLAG_CLIENT_NEEDS_OPEN;
-	}
-out:
-	mutex_unlock(&adapter->client_lock);
-}
-
-/**
  * iavf_free_all_tx_resources - Free Tx Resources for All Queues
  * @adapter: board private structure
  *
@@ -4301,8 +4239,6 @@ static int iavf_close(struct net_device *netdev)
 	}
 
 	set_bit(__IAVF_VSI_DOWN, adapter->vsi.state);
-	if (CLIENT_ENABLED(adapter))
-		adapter->flags |= IAVF_FLAG_CLIENT_NEEDS_CLOSE;
 	/* We cannot send IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS before
 	 * IAVF_FLAG_AQ_DISABLE_QUEUES because in such case there is rtnl
 	 * deadlock with adminq_task() until iavf_close timeouts. We must send
@@ -4371,10 +4307,6 @@ static int iavf_change_mtu(struct net_device *netdev, int new_mtu)
 	netdev_dbg(netdev, "changing MTU from %d to %d\n",
 		   netdev->mtu, new_mtu);
 	netdev->mtu = new_mtu;
-	if (CLIENT_ENABLED(adapter)) {
-		iavf_notify_client_l2_params(&adapter->vsi);
-		adapter->flags |= IAVF_FLAG_SERVICE_CLIENT_REQUESTED;
-	}
 
 	if (netif_running(netdev)) {
 		iavf_schedule_reset(adapter, IAVF_FLAG_RESET_NEEDED);
@@ -4452,6 +4384,9 @@ static int iavf_set_features(struct net_device *netdev,
 	    (features & NETIF_VLAN_OFFLOAD_FEATURES))
 		iavf_set_vlan_offload_features(adapter, netdev->features,
 					       features);
+	if (CRC_OFFLOAD_ALLOWED(adapter) &&
+	    ((netdev->features & NETIF_F_RXFCS) ^ (features & NETIF_F_RXFCS)))
+		iavf_schedule_reset(adapter, IAVF_FLAG_RESET_NEEDED);
 
 	if ((netdev->features & NETIF_F_NTUPLE) ^ (features & NETIF_F_NTUPLE)) {
 		if (features & NETIF_F_NTUPLE)
@@ -4580,6 +4515,9 @@ iavf_get_netdev_vlan_hw_features(struct iavf_adapter *adapter)
 		}
 	}
 
+	if (CRC_OFFLOAD_ALLOWED(adapter))
+		hw_features |= NETIF_F_RXFCS;
+
 	return hw_features;
 }
 
@@ -4744,6 +4682,55 @@ iavf_fix_netdev_vlan_features(struct iavf_adapter *adapter,
 }
 
 /**
+ * iavf_fix_strip_features - fix NETDEV CRC and VLAN strip features
+ * @adapter: board private structure
+ * @requested_features: stack requested NETDEV features
+ *
+ * Returns fixed-up features bits
+ **/
+static netdev_features_t
+iavf_fix_strip_features(struct iavf_adapter *adapter,
+			netdev_features_t requested_features)
+{
+	struct net_device *netdev = adapter->netdev;
+	bool crc_offload_req, is_vlan_strip;
+	netdev_features_t vlan_strip;
+	int num_non_zero_vlan;
+
+	crc_offload_req = CRC_OFFLOAD_ALLOWED(adapter) &&
+			  (requested_features & NETIF_F_RXFCS);
+	num_non_zero_vlan = iavf_get_num_vlans_added(adapter);
+	vlan_strip = (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX);
+	is_vlan_strip = requested_features & vlan_strip;
+
+	if (!crc_offload_req)
+		return requested_features;
+
+	if (!num_non_zero_vlan && (netdev->features & vlan_strip) &&
+	    !(netdev->features & NETIF_F_RXFCS) && is_vlan_strip) {
+		requested_features &= ~vlan_strip;
+		netdev_info(netdev, "Disabling VLAN stripping as FCS/CRC stripping is also disabled and there is no VLAN configured\n");
+		return requested_features;
+	}
+
+	if ((netdev->features & NETIF_F_RXFCS) && is_vlan_strip) {
+		requested_features &= ~vlan_strip;
+		if (!(netdev->features & vlan_strip))
+			netdev_info(netdev, "To enable VLAN stripping, first need to enable FCS/CRC stripping");
+
+		return requested_features;
+	}
+
+	if (num_non_zero_vlan && is_vlan_strip &&
+	    !(netdev->features & NETIF_F_RXFCS)) {
+		requested_features &= ~NETIF_F_RXFCS;
+		netdev_info(netdev, "To disable FCS/CRC stripping, first need to disable VLAN stripping");
+	}
+
+	return requested_features;
+}
+
+/**
  * iavf_fix_features - fix up the netdev feature bits
  * @netdev: our net device
  * @features: desired feature bits
@@ -4755,10 +4742,12 @@ static netdev_features_t iavf_fix_features(struct net_device *netdev,
 {
 	struct iavf_adapter *adapter = netdev_priv(netdev);
 
+	features = iavf_fix_netdev_vlan_features(adapter, features);
+
 	if (!FDIR_FLTR_SUPPORT(adapter))
 		features &= ~NETIF_F_NTUPLE;
 
-	return iavf_fix_netdev_vlan_features(adapter, features);
+	return iavf_fix_strip_features(adapter, features);
 }
 
 static const struct net_device_ops iavf_netdev_ops = {
@@ -4795,7 +4784,7 @@ static int iavf_check_reset_complete(struct iavf_hw *hw)
 		if ((rstat == VIRTCHNL_VFR_VFACTIVE) ||
 		    (rstat == VIRTCHNL_VFR_COMPLETED))
 			return 0;
-		usleep_range(10, 20);
+		msleep(IAVF_RESET_WAIT_MS);
 	}
 	return -EBUSY;
 }
@@ -4992,7 +4981,6 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	 * and destroy them only once in remove
 	 */
 	mutex_init(&adapter->crit_lock);
-	mutex_init(&adapter->client_lock);
 	mutex_init(&hw->aq.asq_mutex);
 	mutex_init(&hw->aq.arq_mutex);
 
@@ -5012,7 +5000,6 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	INIT_WORK(&adapter->adminq_task, iavf_adminq_task);
 	INIT_WORK(&adapter->finish_config, iavf_finish_config);
 	INIT_DELAYED_WORK(&adapter->watchdog_task, iavf_watchdog_task);
-	INIT_DELAYED_WORK(&adapter->client_task, iavf_client_task);
 
 	/* Setup the wait queue for indicating transition to down status */
 	init_waitqueue_head(&adapter->down_waitqueue);
@@ -5053,8 +5040,7 @@ static int __maybe_unused iavf_suspend(struct device *dev_d)
 
 	netif_device_detach(netdev);
 
-	while (!mutex_trylock(&adapter->crit_lock))
-		usleep_range(500, 1000);
+	mutex_lock(&adapter->crit_lock);
 
 	if (netif_running(netdev)) {
 		rtnl_lock();
@@ -5125,7 +5111,6 @@ static void iavf_remove(struct pci_dev *pdev)
 	struct iavf_adapter *adapter;
 	struct net_device *netdev;
 	struct iavf_hw *hw;
-	int err;
 
 	/* Don't proceed with remove if netdev is already freed */
 	netdev = pci_get_drvdata(pdev);
@@ -5161,19 +5146,8 @@ static void iavf_remove(struct pci_dev *pdev)
 	cancel_delayed_work_sync(&adapter->watchdog_task);
 	cancel_work_sync(&adapter->finish_config);
 
-	rtnl_lock();
-	if (adapter->netdev_registered) {
-		unregister_netdevice(netdev);
-		adapter->netdev_registered = false;
-	}
-	rtnl_unlock();
-
-	if (CLIENT_ALLOWED(adapter)) {
-		err = iavf_lan_del_device(adapter);
-		if (err)
-			dev_warn(&pdev->dev, "Failed to delete client device: %d\n",
-				 err);
-	}
+	if (netdev->reg_state == NETREG_REGISTERED)
+		unregister_netdev(netdev);
 
 	mutex_lock(&adapter->crit_lock);
 	dev_info(&adapter->pdev->dev, "Removing device\n");
@@ -5192,7 +5166,6 @@ static void iavf_remove(struct pci_dev *pdev)
 	cancel_work_sync(&adapter->reset_task);
 	cancel_delayed_work_sync(&adapter->watchdog_task);
 	cancel_work_sync(&adapter->adminq_task);
-	cancel_delayed_work_sync(&adapter->client_task);
 
 	adapter->aq_required = 0;
 	adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
@@ -5200,9 +5173,7 @@ static void iavf_remove(struct pci_dev *pdev)
 	iavf_free_all_tx_resources(adapter);
 	iavf_free_all_rx_resources(adapter);
 	iavf_free_misc_irq(adapter);
-
-	iavf_reset_interrupt_capability(adapter);
-	iavf_free_q_vectors(adapter);
+	iavf_free_interrupt_scheme(adapter);
 
 	iavf_free_rss(adapter);
 
@@ -5212,13 +5183,11 @@ static void iavf_remove(struct pci_dev *pdev)
 	/* destroy the locks only once, here */
 	mutex_destroy(&hw->aq.arq_mutex);
 	mutex_destroy(&hw->aq.asq_mutex);
-	mutex_destroy(&adapter->client_lock);
 	mutex_unlock(&adapter->crit_lock);
 	mutex_destroy(&adapter->crit_lock);
 
 	iounmap(hw->hw_addr);
 	pci_release_regions(pdev);
-	iavf_free_queues(adapter);
 	kfree(adapter->vf_res);
 	spin_lock_bh(&adapter->mac_vlan_list_lock);
 	/* If we got removed before an up/down sequence, we've got a filter
diff --git a/drivers/net/ethernet/intel/iavf/iavf_prototype.h b/drivers/net/ethernet/intel/iavf/iavf_prototype.h
index 940cb4203f..4a48e61714 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_prototype.h
+++ b/drivers/net/ethernet/intel/iavf/iavf_prototype.h
@@ -45,8 +45,6 @@ enum iavf_status iavf_aq_set_rss_lut(struct iavf_hw *hw, u16 seid,
 enum iavf_status iavf_aq_set_rss_key(struct iavf_hw *hw, u16 seid,
 				     struct iavf_aqc_get_set_rss_key_data *key);
 
-enum iavf_status iavf_set_mac_type(struct iavf_hw *hw);
-
 extern struct iavf_rx_ptype_decoded iavf_ptype_lookup[];
 
 static inline struct iavf_rx_ptype_decoded decode_rx_desc_ptype(u8 ptype)
diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
index 8c5f6096b0..fb7edba9c2 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
@@ -1,14 +1,15 @@
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright(c) 2013 - 2018 Intel Corporation. */
 
+#include <linux/bitfield.h>
 #include <linux/prefetch.h>
 
 #include "iavf.h"
 #include "iavf_trace.h"
 #include "iavf_prototype.h"
 
-static inline __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size,
-				u32 td_tag)
+static __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size,
+			 u32 td_tag)
 {
 	return cpu_to_le64(IAVF_TX_DESC_DTYPE_DATA |
 			   ((u64)td_cmd  << IAVF_TXD_QW1_CMD_SHIFT) |
@@ -370,8 +371,8 @@ static void iavf_enable_wb_on_itr(struct iavf_vsi *vsi,
 	q_vector->arm_wb_state = true;
 }
 
-static inline bool iavf_container_is_rx(struct iavf_q_vector *q_vector,
-					struct iavf_ring_container *rc)
+static bool iavf_container_is_rx(struct iavf_q_vector *q_vector,
+				 struct iavf_ring_container *rc)
 {
 	return &q_vector->rx == rc;
 }
@@ -806,7 +807,7 @@ err:
  * @rx_ring: ring to bump
  * @val: new head index
  **/
-static inline void iavf_release_rx_desc(struct iavf_ring *rx_ring, u32 val)
+static void iavf_release_rx_desc(struct iavf_ring *rx_ring, u32 val)
 {
 	rx_ring->next_to_use = val;
 
@@ -828,7 +829,7 @@ static inline void iavf_release_rx_desc(struct iavf_ring *rx_ring, u32 val)
  *
  * Returns the offset value for ring into the data buffer.
  */
-static inline unsigned int iavf_rx_offset(struct iavf_ring *rx_ring)
+static unsigned int iavf_rx_offset(struct iavf_ring *rx_ring)
 {
 	return ring_uses_build_skb(rx_ring) ? IAVF_SKB_PAD : 0;
 }
@@ -977,9 +978,9 @@ no_buffers:
  * @skb: skb currently being received and modified
  * @rx_desc: the receive descriptor
  **/
-static inline void iavf_rx_checksum(struct iavf_vsi *vsi,
-				    struct sk_buff *skb,
-				    union iavf_rx_desc *rx_desc)
+static void iavf_rx_checksum(struct iavf_vsi *vsi,
+			     struct sk_buff *skb,
+			     union iavf_rx_desc *rx_desc)
 {
 	struct iavf_rx_ptype_decoded decoded;
 	u32 rx_error, rx_status;
@@ -1061,7 +1062,7 @@ checksum_fail:
  *
  * Returns a hash type to be used by skb_set_hash
  **/
-static inline int iavf_ptype_to_htype(u8 ptype)
+static int iavf_ptype_to_htype(u8 ptype)
 {
 	struct iavf_rx_ptype_decoded decoded = decode_rx_desc_ptype(ptype);
 
@@ -1085,10 +1086,10 @@ static inline int iavf_ptype_to_htype(u8 ptype)
  * @skb: skb currently being received and modified
  * @rx_ptype: Rx packet type
  **/
-static inline void iavf_rx_hash(struct iavf_ring *ring,
-				union iavf_rx_desc *rx_desc,
-				struct sk_buff *skb,
-				u8 rx_ptype)
+static void iavf_rx_hash(struct iavf_ring *ring,
+			 union iavf_rx_desc *rx_desc,
+			 struct sk_buff *skb,
+			 u8 rx_ptype)
 {
 	u32 hash;
 	const __le64 rss_mask =
@@ -1115,10 +1116,10 @@ static inline void iavf_rx_hash(struct iavf_ring *ring,
  * order to populate the hash, checksum, VLAN, protocol, and
  * other fields within the skb.
  **/
-static inline
-void iavf_process_skb_fields(struct iavf_ring *rx_ring,
-			     union iavf_rx_desc *rx_desc, struct sk_buff *skb,
-			     u8 rx_ptype)
+static void
+iavf_process_skb_fields(struct iavf_ring *rx_ring,
+			union iavf_rx_desc *rx_desc, struct sk_buff *skb,
+			u8 rx_ptype)
 {
 	iavf_rx_hash(rx_ring, rx_desc, skb, rx_ptype);
 
@@ -1662,8 +1663,8 @@ static inline u32 iavf_buildreg_itr(const int type, u16 itr)
  * @q_vector: q_vector for which itr is being updated and interrupt enabled
  *
  **/
-static inline void iavf_update_enable_itr(struct iavf_vsi *vsi,
-					  struct iavf_q_vector *q_vector)
+static void iavf_update_enable_itr(struct iavf_vsi *vsi,
+				   struct iavf_q_vector *q_vector)
 {
 	struct iavf_hw *hw = &vsi->back->hw;
 	u32 intval;
@@ -2275,9 +2276,9 @@ int __iavf_maybe_stop_tx(struct iavf_ring *tx_ring, int size)
  * @td_cmd:   the command field in the descriptor
  * @td_offset: offset for checksum or crc
  **/
-static inline void iavf_tx_map(struct iavf_ring *tx_ring, struct sk_buff *skb,
-			       struct iavf_tx_buffer *first, u32 tx_flags,
-			       const u8 hdr_len, u32 td_cmd, u32 td_offset)
+static void iavf_tx_map(struct iavf_ring *tx_ring, struct sk_buff *skb,
+			struct iavf_tx_buffer *first, u32 tx_flags,
+			const u8 hdr_len, u32 td_cmd, u32 td_offset)
 {
 	unsigned int data_len = skb->data_len;
 	unsigned int size = skb_headlen(skb);
diff --git a/drivers/net/ethernet/intel/iavf/iavf_type.h b/drivers/net/ethernet/intel/iavf/iavf_type.h
index 9f1f523807..2b6a207fa4 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_type.h
+++ b/drivers/net/ethernet/intel/iavf/iavf_type.h
@@ -69,15 +69,6 @@ enum iavf_debug_mask {
  * the Firmware and AdminQ are intended to insulate the driver from most of the
  * future changes, but these structures will also do part of the job.
  */
-enum iavf_mac_type {
-	IAVF_MAC_UNKNOWN = 0,
-	IAVF_MAC_XL710,
-	IAVF_MAC_VF,
-	IAVF_MAC_X722,
-	IAVF_MAC_X722_VF,
-	IAVF_MAC_GENERIC,
-};
-
 enum iavf_vsi_type {
 	IAVF_VSI_MAIN	= 0,
 	IAVF_VSI_VMDQ1	= 1,
@@ -110,11 +101,8 @@ struct iavf_hw_capabilities {
 };
 
 struct iavf_mac_info {
-	enum iavf_mac_type type;
 	u8 addr[ETH_ALEN];
 	u8 perm_addr[ETH_ALEN];
-	u8 san_addr[ETH_ALEN];
-	u16 max_fcoeq;
 };
 
 /* PCI bus types */
diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
index b95a4f9032..2d9366be0e 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
@@ -3,7 +3,6 @@
 
 #include "iavf.h"
 #include "iavf_prototype.h"
-#include "iavf_client.h"
 
 /**
  * iavf_send_pf_msg
@@ -142,6 +141,7 @@ int iavf_send_vf_config_msg(struct iavf_adapter *adapter)
 	       VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 |
 	       VIRTCHNL_VF_OFFLOAD_ENCAP |
 	       VIRTCHNL_VF_OFFLOAD_VLAN_V2 |
+	       VIRTCHNL_VF_OFFLOAD_CRC |
 	       VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM |
 	       VIRTCHNL_VF_OFFLOAD_REQ_QUEUES |
 	       VIRTCHNL_VF_OFFLOAD_ADQ |
@@ -312,6 +312,9 @@ void iavf_configure_queues(struct iavf_adapter *adapter)
 		vqpi->rxq.databuffer_size =
 			ALIGN(adapter->rx_rings[i].rx_buf_len,
 			      BIT_ULL(IAVF_RXQ_CTX_DBUFF_SHIFT));
+		if (CRC_OFFLOAD_ALLOWED(adapter))
+			vqpi->rxq.crc_disable = !!(adapter->netdev->features &
+						   NETIF_F_RXFCS);
 		vqpi++;
 	}
 
@@ -1374,8 +1377,6 @@ void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid)
 				  VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2);
 }
 
-#define IAVF_MAX_SPEED_STRLEN	13
-
 /**
  * iavf_print_link_message - print link up or down
  * @adapter: adapter structure
@@ -1393,10 +1394,6 @@ static void iavf_print_link_message(struct iavf_adapter *adapter)
 		return;
 	}
 
-	speed = kzalloc(IAVF_MAX_SPEED_STRLEN, GFP_KERNEL);
-	if (!speed)
-		return;
-
 	if (ADV_LINK_SUPPORT(adapter)) {
 		link_speed_mbps = adapter->link_speed_mbps;
 		goto print_link_msg;
@@ -1434,17 +1431,17 @@ static void iavf_print_link_message(struct iavf_adapter *adapter)
 
 print_link_msg:
 	if (link_speed_mbps > SPEED_1000) {
-		if (link_speed_mbps == SPEED_2500)
-			snprintf(speed, IAVF_MAX_SPEED_STRLEN, "2.5 Gbps");
-		else
+		if (link_speed_mbps == SPEED_2500) {
+			speed = kasprintf(GFP_KERNEL, "%s", "2.5 Gbps");
+		} else {
 			/* convert to Gbps inline */
-			snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%d %s",
-				 link_speed_mbps / 1000, "Gbps");
+			speed = kasprintf(GFP_KERNEL, "%d Gbps",
+					  link_speed_mbps / 1000);
+		}
 	} else if (link_speed_mbps == SPEED_UNKNOWN) {
-		snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%s", "Unknown Mbps");
+		speed = kasprintf(GFP_KERNEL, "%s", "Unknown Mbps");
 	} else {
-		snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%d %s",
-			 link_speed_mbps, "Mbps");
+		speed = kasprintf(GFP_KERNEL, "%d Mbps", link_speed_mbps);
 	}
 
 	netdev_info(netdev, "NIC Link is Up Speed is %s Full Duplex\n", speed);
@@ -2361,19 +2358,6 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
 		if (v_opcode != adapter->current_op)
 			return;
 		break;
-	case VIRTCHNL_OP_RDMA:
-		/* Gobble zero-length replies from the PF. They indicate that
-		 * a previous message was received OK, and the client doesn't
-		 * care about that.
-		 */
-		if (msglen && CLIENT_ENABLED(adapter))
-			iavf_notify_client_message(&adapter->vsi, msg, msglen);
-		break;
-
-	case VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP:
-		adapter->client_pending &=
-				~(BIT(VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP));
-		break;
 	case VIRTCHNL_OP_GET_RSS_HENA_CAPS: {
 		struct virtchnl_rss_hena *vrh = (struct virtchnl_rss_hena *)msg;