1 files changed, 0 insertions, 931 deletions

diff --git a/drivers/staging/wilc1000/netdev.c b/drivers/staging/wilc1000/netdev.c
deleted file mode 100644
index fda0ab97b02c..000000000000
--- a/drivers/staging/wilc1000/netdev.c
+++ /dev/null
@@ -1,931 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
- * All rights reserved.
- */
-
-#include <linux/irq.h>
-#include <linux/kthread.h>
-#include <linux/firmware.h>
-#include <linux/netdevice.h>
-#include <linux/inetdevice.h>
-
-#include "cfg80211.h"
-#include "wlan_cfg.h"
-
-#define WILC_MULTICAST_TABLE_SIZE	8
-
-static irqreturn_t isr_uh_routine(int irq, void *user_data)
-{
-	struct net_device *dev = user_data;
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wilc = vif->wilc;
-
-	if (wilc->close) {
-		netdev_err(dev, "Can't handle UH interrupt\n");
-		return IRQ_HANDLED;
-	}
-	return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t isr_bh_routine(int irq, void *userdata)
-{
-	struct net_device *dev = userdata;
-	struct wilc_vif *vif = netdev_priv(userdata);
-	struct wilc *wilc = vif->wilc;
-
-	if (wilc->close) {
-		netdev_err(dev, "Can't handle BH interrupt\n");
-		return IRQ_HANDLED;
-	}
-
-	wilc_handle_isr(wilc);
-
-	return IRQ_HANDLED;
-}
-
-static int init_irq(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wl = vif->wilc;
-	int ret;
-
-	ret = request_threaded_irq(wl->dev_irq_num, isr_uh_routine,
-				   isr_bh_routine,
-				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				   "WILC_IRQ", dev);
-	if (ret) {
-		netdev_err(dev, "Failed to request IRQ [%d]\n", ret);
-		return ret;
-	}
-	netdev_dbg(dev, "IRQ request succeeded IRQ-NUM= %d\n", wl->dev_irq_num);
-
-	return 0;
-}
-
-static void deinit_irq(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wilc = vif->wilc;
-
-	/* Deinitialize IRQ */
-	if (wilc->dev_irq_num)
-		free_irq(wilc->dev_irq_num, wilc);
-}
-
-void wilc_mac_indicate(struct wilc *wilc)
-{
-	s8 status;
-
-	wilc_wlan_cfg_get_val(wilc, WID_STATUS, &status, 1);
-	if (wilc->mac_status == WILC_MAC_STATUS_INIT) {
-		wilc->mac_status = status;
-		complete(&wilc->sync_event);
-	} else {
-		wilc->mac_status = status;
-	}
-}
-
-static struct net_device *get_if_handler(struct wilc *wilc, u8 *mac_header)
-{
-	struct net_device *ndev = NULL;
-	struct wilc_vif *vif;
-	struct ieee80211_hdr *h = (struct ieee80211_hdr *)mac_header;
-
-	list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
-		if (vif->mode == WILC_STATION_MODE)
-			if (ether_addr_equal_unaligned(h->addr2, vif->bssid)) {
-				ndev = vif->ndev;
-				goto out;
-			}
-		if (vif->mode == WILC_AP_MODE)
-			if (ether_addr_equal_unaligned(h->addr1, vif->bssid)) {
-				ndev = vif->ndev;
-				goto out;
-			}
-	}
-out:
-	return ndev;
-}
-
-void wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode)
-{
-	struct wilc_vif *vif = netdev_priv(wilc_netdev);
-
-	if (bssid)
-		ether_addr_copy(vif->bssid, bssid);
-	else
-		eth_zero_addr(vif->bssid);
-
-	vif->mode = mode;
-}
-
-int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc)
-{
-	int srcu_idx;
-	u8 ret_val = 0;
-	struct wilc_vif *vif;
-
-	srcu_idx = srcu_read_lock(&wilc->srcu);
-	list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
-		if (!is_zero_ether_addr(vif->bssid))
-			ret_val++;
-	}
-	srcu_read_unlock(&wilc->srcu, srcu_idx);
-	return ret_val;
-}
-
-static int wilc_txq_task(void *vp)
-{
-	int ret;
-	u32 txq_count;
-	struct wilc *wl = vp;
-
-	complete(&wl->txq_thread_started);
-	while (1) {
-		wait_for_completion(&wl->txq_event);
-
-		if (wl->close) {
-			complete(&wl->txq_thread_started);
-
-			while (!kthread_should_stop())
-				schedule();
-			break;
-		}
-		do {
-			ret = wilc_wlan_handle_txq(wl, &txq_count);
-			if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) {
-				int srcu_idx;
-				struct wilc_vif *ifc;
-
-				srcu_idx = srcu_read_lock(&wl->srcu);
-				list_for_each_entry_rcu(ifc, &wl->vif_list,
-							list) {
-					if (ifc->mac_opened && ifc->ndev)
-						netif_wake_queue(ifc->ndev);
-				}
-				srcu_read_unlock(&wl->srcu, srcu_idx);
-			}
-		} while (ret == WILC_VMM_ENTRY_FULL_RETRY && !wl->close);
-	}
-	return 0;
-}
-
-static int wilc_wlan_get_firmware(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wilc = vif->wilc;
-	int chip_id;
-	const struct firmware *wilc_firmware;
-	char *firmware;
-
-	chip_id = wilc_get_chipid(wilc, false);
-
-	if (chip_id < 0x1003a0)
-		firmware = FIRMWARE_1002;
-	else
-		firmware = FIRMWARE_1003;
-
-	netdev_info(dev, "loading firmware %s\n", firmware);
-
-	if (request_firmware(&wilc_firmware, firmware, wilc->dev) != 0) {
-		netdev_err(dev, "%s - firmware not available\n", firmware);
-		return -EINVAL;
-	}
-	wilc->firmware = wilc_firmware;
-
-	return 0;
-}
-
-static int wilc_start_firmware(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wilc = vif->wilc;
-	int ret = 0;
-
-	ret = wilc_wlan_start(wilc);
-	if (ret)
-		return ret;
-
-	if (!wait_for_completion_timeout(&wilc->sync_event,
-					 msecs_to_jiffies(5000)))
-		return -ETIME;
-
-	return 0;
-}
-
-static int wilc1000_firmware_download(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wilc = vif->wilc;
-	int ret = 0;
-
-	if (!wilc->firmware) {
-		netdev_err(dev, "Firmware buffer is NULL\n");
-		return -ENOBUFS;
-	}
-
-	ret = wilc_wlan_firmware_download(wilc, wilc->firmware->data,
-					  wilc->firmware->size);
-	if (ret)
-		return ret;
-
-	release_firmware(wilc->firmware);
-	wilc->firmware = NULL;
-
-	netdev_dbg(dev, "Download Succeeded\n");
-
-	return 0;
-}
-
-static int wilc_init_fw_config(struct net_device *dev, struct wilc_vif *vif)
-{
-	struct wilc_priv *priv = &vif->priv;
-	struct host_if_drv *hif_drv;
-	u8 b;
-	u16 hw;
-	u32 w;
-
-	netdev_dbg(dev, "Start configuring Firmware\n");
-	hif_drv = (struct host_if_drv *)priv->hif_drv;
-	netdev_dbg(dev, "Host = %p\n", hif_drv);
-
-	w = vif->iftype;
-	cpu_to_le32s(&w);
-	if (!wilc_wlan_cfg_set(vif, 1, WID_SET_OPERATION_MODE, (u8 *)&w, 4,
-			       0, 0))
-		goto fail;
-
-	b = WILC_FW_BSS_TYPE_INFRA;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_BSS_TYPE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_TX_RATE_AUTO;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_TX_RATE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_OPER_MODE_G_MIXED_11B_2;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11G_OPERATING_MODE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_PREAMBLE_SHORT;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_PREAMBLE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_11N_PROT_AUTO;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_PROT_MECH, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_ACTIVE_SCAN;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_SCAN_TYPE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_SITE_SURVEY_OFF;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_SITE_SURVEY, &b, 1, 0, 0))
-		goto fail;
-
-	hw = 0xffff;
-	cpu_to_le16s(&hw);
-	if (!wilc_wlan_cfg_set(vif, 0, WID_RTS_THRESHOLD, (u8 *)&hw, 2, 0, 0))
-		goto fail;
-
-	hw = 2346;
-	cpu_to_le16s(&hw);
-	if (!wilc_wlan_cfg_set(vif, 0, WID_FRAG_THRESHOLD, (u8 *)&hw, 2, 0, 0))
-		goto fail;
-
-	b = 0;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_BCAST_SSID, &b, 1, 0, 0))
-		goto fail;
-
-	b = 1;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_QOS_ENABLE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_NO_POWERSAVE;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_POWER_MANAGEMENT, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_SEC_NO;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11I_MODE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_AUTH_OPEN_SYSTEM;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_AUTH_TYPE, &b, 1, 0, 0))
-		goto fail;
-
-	b = 3;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_LISTEN_INTERVAL, &b, 1, 0, 0))
-		goto fail;
-
-	b = 3;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_DTIM_PERIOD, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_ACK_POLICY_NORMAL;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_ACK_POLICY, &b, 1, 0, 0))
-		goto fail;
-
-	b = 0;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_USER_CONTROL_ON_TX_POWER, &b, 1,
-			       0, 0))
-		goto fail;
-
-	b = 48;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11A, &b, 1, 0, 0))
-		goto fail;
-
-	b = 28;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11B, &b, 1, 0, 0))
-		goto fail;
-
-	hw = 100;
-	cpu_to_le16s(&hw);
-	if (!wilc_wlan_cfg_set(vif, 0, WID_BEACON_INTERVAL, (u8 *)&hw, 2, 0, 0))
-		goto fail;
-
-	b = WILC_FW_REKEY_POLICY_DISABLE;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_POLICY, &b, 1, 0, 0))
-		goto fail;
-
-	w = 84600;
-	cpu_to_le32s(&w);
-	if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PERIOD, (u8 *)&w, 4, 0, 0))
-		goto fail;
-
-	w = 500;
-	cpu_to_le32s(&w);
-	if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PACKET_COUNT, (u8 *)&w, 4, 0,
-			       0))
-		goto fail;
-
-	b = 1;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_SHORT_SLOT_ALLOWED, &b, 1, 0,
-			       0))
-		goto fail;
-
-	b = WILC_FW_ERP_PROT_SELF_CTS;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ERP_PROT_TYPE, &b, 1, 0, 0))
-		goto fail;
-
-	b = 1;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ENABLE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_11N_OP_MODE_HT_MIXED;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OPERATING_MODE, &b, 1, 0, 0))
-		goto fail;
-
-	b = 1;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_TXOP_PROT_DISABLE, &b, 1, 0, 0))
-		goto fail;
-
-	b = WILC_FW_OBBS_NONHT_DETECT_PROTECT_REPORT;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OBSS_NONHT_DETECTION, &b, 1,
-			       0, 0))
-		goto fail;
-
-	b = WILC_FW_HT_PROT_RTS_CTS_NONHT;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_HT_PROT_TYPE, &b, 1, 0, 0))
-		goto fail;
-
-	b = 0;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_RIFS_PROT_ENABLE, &b, 1, 0,
-			       0))
-		goto fail;
-
-	b = 7;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_CURRENT_TX_MCS, &b, 1, 0, 0))
-		goto fail;
-
-	b = 1;
-	if (!wilc_wlan_cfg_set(vif, 0, WID_11N_IMMEDIATE_BA_ENABLED, &b, 1,
-			       1, 1))
-		goto fail;
-
-	return 0;
-
-fail:
-	return -EINVAL;
-}
-
-static void wlan_deinitialize_threads(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wl = vif->wilc;
-
-	wl->close = 1;
-
-	complete(&wl->txq_event);
-
-	if (wl->txq_thread) {
-		kthread_stop(wl->txq_thread);
-		wl->txq_thread = NULL;
-	}
-}
-
-static void wilc_wlan_deinitialize(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wl = vif->wilc;
-
-	if (!wl) {
-		netdev_err(dev, "wl is NULL\n");
-		return;
-	}
-
-	if (wl->initialized) {
-		netdev_info(dev, "Deinitializing wilc1000...\n");
-
-		if (!wl->dev_irq_num &&
-		    wl->hif_func->disable_interrupt) {
-			mutex_lock(&wl->hif_cs);
-			wl->hif_func->disable_interrupt(wl);
-			mutex_unlock(&wl->hif_cs);
-		}
-		complete(&wl->txq_event);
-
-		wlan_deinitialize_threads(dev);
-		deinit_irq(dev);
-
-		wilc_wlan_stop(wl, vif);
-		wilc_wlan_cleanup(dev);
-
-		wl->initialized = false;
-
-		netdev_dbg(dev, "wilc1000 deinitialization Done\n");
-	} else {
-		netdev_dbg(dev, "wilc1000 is not initialized\n");
-	}
-}
-
-static int wlan_initialize_threads(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-	struct wilc *wilc = vif->wilc;
-
-	wilc->txq_thread = kthread_run(wilc_txq_task, (void *)wilc,
-				       "K_TXQ_TASK");
-	if (IS_ERR(wilc->txq_thread)) {
-		netdev_err(dev, "couldn't create TXQ thread\n");
-		wilc->close = 0;
-		return PTR_ERR(wilc->txq_thread);
-	}
-	wait_for_completion(&wilc->txq_thread_started);
-
-	return 0;
-}
-
-static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif)
-{
-	int ret = 0;
-	struct wilc *wl = vif->wilc;
-
-	if (!wl->initialized) {
-		wl->mac_status = WILC_MAC_STATUS_INIT;
-		wl->close = 0;
-
-		ret = wilc_wlan_init(dev);
-		if (ret)
-			return ret;
-
-		ret = wlan_initialize_threads(dev);
-		if (ret)
-			goto fail_wilc_wlan;
-
-		if (wl->dev_irq_num && init_irq(dev)) {
-			ret = -EIO;
-			goto fail_threads;
-		}
-
-		if (!wl->dev_irq_num &&
-		    wl->hif_func->enable_interrupt &&
-		    wl->hif_func->enable_interrupt(wl)) {
-			ret = -EIO;
-			goto fail_irq_init;
-		}
-
-		ret = wilc_wlan_get_firmware(dev);
-		if (ret)
-			goto fail_irq_enable;
-
-		ret = wilc1000_firmware_download(dev);
-		if (ret)
-			goto fail_irq_enable;
-
-		ret = wilc_start_firmware(dev);
-		if (ret)
-			goto fail_irq_enable;
-
-		if (wilc_wlan_cfg_get(vif, 1, WID_FIRMWARE_VERSION, 1, 0)) {
-			int size;
-			char firmware_ver[20];
-
-			size = wilc_wlan_cfg_get_val(wl, WID_FIRMWARE_VERSION,
-						     firmware_ver,
-						     sizeof(firmware_ver));
-			firmware_ver[size] = '\0';
-			netdev_dbg(dev, "Firmware Ver = %s\n", firmware_ver);
-		}
-
-		ret = wilc_init_fw_config(dev, vif);
-		if (ret) {
-			netdev_err(dev, "Failed to configure firmware\n");
-			goto fail_fw_start;
-		}
-		wl->initialized = true;
-		return 0;
-
-fail_fw_start:
-		wilc_wlan_stop(wl, vif);
-
-fail_irq_enable:
-		if (!wl->dev_irq_num &&
-		    wl->hif_func->disable_interrupt)
-			wl->hif_func->disable_interrupt(wl);
-fail_irq_init:
-		if (wl->dev_irq_num)
-			deinit_irq(dev);
-fail_threads:
-		wlan_deinitialize_threads(dev);
-fail_wilc_wlan:
-		wilc_wlan_cleanup(dev);
-		netdev_err(dev, "WLAN initialization FAILED\n");
-	} else {
-		netdev_dbg(dev, "wilc1000 already initialized\n");
-	}
-	return ret;
-}
-
-static int mac_init_fn(struct net_device *ndev)
-{
-	netif_start_queue(ndev);
-	netif_stop_queue(ndev);
-
-	return 0;
-}
-
-static int wilc_mac_open(struct net_device *ndev)
-{
-	struct wilc_vif *vif = netdev_priv(ndev);
-	struct wilc *wl = vif->wilc;
-	unsigned char mac_add[ETH_ALEN] = {0};
-	int ret = 0;
-	struct mgmt_frame_regs mgmt_regs = {};
-
-	if (!wl || !wl->dev) {
-		netdev_err(ndev, "device not ready\n");
-		return -ENODEV;
-	}
-
-	netdev_dbg(ndev, "MAC OPEN[%p]\n", ndev);
-
-	ret = wilc_init_host_int(ndev);
-	if (ret)
-		return ret;
-
-	ret = wilc_wlan_initialize(ndev, vif);
-	if (ret) {
-		wilc_deinit_host_int(ndev);
-		return ret;
-	}
-
-	wilc_set_operation_mode(vif, wilc_get_vif_idx(vif), vif->iftype,
-				vif->idx);
-	wilc_get_mac_address(vif, mac_add);
-	netdev_dbg(ndev, "Mac address: %pM\n", mac_add);
-	ether_addr_copy(ndev->dev_addr, mac_add);
-
-	if (!is_valid_ether_addr(ndev->dev_addr)) {
-		netdev_err(ndev, "Wrong MAC address\n");
-		wilc_deinit_host_int(ndev);
-		wilc_wlan_deinitialize(ndev);
-		return -EINVAL;
-	}
-
-	mgmt_regs.interface_stypes = vif->mgmt_reg_stypes;
-	/* so we detect a change */
-	vif->mgmt_reg_stypes = 0;
-	wilc_update_mgmt_frame_registrations(vif->ndev->ieee80211_ptr->wiphy,
-					     vif->ndev->ieee80211_ptr,
-					     &mgmt_regs);
-	netif_wake_queue(ndev);
-	wl->open_ifcs++;
-	vif->mac_opened = 1;
-	return 0;
-}
-
-static struct net_device_stats *mac_stats(struct net_device *dev)
-{
-	struct wilc_vif *vif = netdev_priv(dev);
-
-	return &vif->netstats;
-}
-
-static void wilc_set_multicast_list(struct net_device *dev)
-{
-	struct netdev_hw_addr *ha;
-	struct wilc_vif *vif = netdev_priv(dev);
-	int i;
-	u8 *mc_list;
-	u8 *cur_mc;
-
-	if (dev->flags & IFF_PROMISC)
-		return;
-
-	if (dev->flags & IFF_ALLMULTI ||
-	    dev->mc.count > WILC_MULTICAST_TABLE_SIZE) {
-		wilc_setup_multicast_filter(vif, 0, 0, NULL);
-		return;
-	}
-
-	if (dev->mc.count == 0) {
-		wilc_setup_multicast_filter(vif, 1, 0, NULL);
-		return;
-	}
-
-	mc_list = kmalloc_array(dev->mc.count, ETH_ALEN, GFP_ATOMIC);
-	if (!mc_list)
-		return;
-
-	cur_mc = mc_list;
-	i = 0;
-	netdev_for_each_mc_addr(ha, dev) {
-		memcpy(cur_mc, ha->addr, ETH_ALEN);
-		netdev_dbg(dev, "Entry[%d]: %pM\n", i, cur_mc);
-		i++;
-		cur_mc += ETH_ALEN;
-	}
-
-	if (wilc_setup_multicast_filter(vif, 1, dev->mc.count, mc_list))
-		kfree(mc_list);
-}
-
-static void wilc_tx_complete(void *priv, int status)
-{
-	struct tx_complete_data *pv_data = priv;
-
-	dev_kfree_skb(pv_data->skb);
-	kfree(pv_data);
-}
-
-netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
-{
-	struct wilc_vif *vif = netdev_priv(ndev);
-	struct wilc *wilc = vif->wilc;
-	struct tx_complete_data *tx_data = NULL;
-	int queue_count;
-
-	if (skb->dev != ndev) {
-		netdev_err(ndev, "Packet not destined to this device\n");
-		return 0;
-	}
-
-	tx_data = kmalloc(sizeof(*tx_data), GFP_ATOMIC);
-	if (!tx_data) {
-		dev_kfree_skb(skb);
-		netif_wake_queue(ndev);
-		return 0;
-	}
-
-	tx_data->buff = skb->data;
-	tx_data->size = skb->len;
-	tx_data->skb  = skb;
-
-	vif->netstats.tx_packets++;
-	vif->netstats.tx_bytes += tx_data->size;
-	queue_count = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data,
-						tx_data->buff, tx_data->size,
-						wilc_tx_complete);
-
-	if (queue_count > FLOW_CONTROL_UPPER_THRESHOLD) {
-		int srcu_idx;
-		struct wilc_vif *vif;
-
-		srcu_idx = srcu_read_lock(&wilc->srcu);
-		list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
-			if (vif->mac_opened)
-				netif_stop_queue(vif->ndev);
-		}
-		srcu_read_unlock(&wilc->srcu, srcu_idx);
-	}
-
-	return 0;
-}
-
-static int wilc_mac_close(struct net_device *ndev)
-{
-	struct wilc_vif *vif = netdev_priv(ndev);
-	struct wilc *wl = vif->wilc;
-
-	netdev_dbg(ndev, "Mac close\n");
-
-	if (wl->open_ifcs > 0)
-		wl->open_ifcs--;
-	else
-		return 0;
-
-	if (vif->ndev) {
-		netif_stop_queue(vif->ndev);
-
-		wilc_deinit_host_int(vif->ndev);
-	}
-
-	if (wl->open_ifcs == 0) {
-		netdev_dbg(ndev, "Deinitializing wilc1000\n");
-		wl->close = 1;
-		wilc_wlan_deinitialize(ndev);
-	}
-
-	vif->mac_opened = 0;
-
-	return 0;
-}
-
-void wilc_frmw_to_host(struct wilc *wilc, u8 *buff, u32 size,
-		       u32 pkt_offset)
-{
-	unsigned int frame_len = 0;
-	int stats;
-	unsigned char *buff_to_send = NULL;
-	struct sk_buff *skb;
-	struct net_device *wilc_netdev;
-	struct wilc_vif *vif;
-
-	if (!wilc)
-		return;
-
-	wilc_netdev = get_if_handler(wilc, buff);
-	if (!wilc_netdev)
-		return;
-
-	buff += pkt_offset;
-	vif = netdev_priv(wilc_netdev);
-
-	if (size > 0) {
-		frame_len = size;
-		buff_to_send = buff;
-
-		skb = dev_alloc_skb(frame_len);
-		if (!skb)
-			return;
-
-		skb->dev = wilc_netdev;
-
-		skb_put_data(skb, buff_to_send, frame_len);
-
-		skb->protocol = eth_type_trans(skb, wilc_netdev);
-		vif->netstats.rx_packets++;
-		vif->netstats.rx_bytes += frame_len;
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-		stats = netif_rx(skb);
-		netdev_dbg(wilc_netdev, "netif_rx ret value is: %d\n", stats);
-	}
-}
-
-void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size)
-{
-	int srcu_idx;
-	struct wilc_vif *vif;
-
-	srcu_idx = srcu_read_lock(&wilc->srcu);
-	list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
-		u16 type = le16_to_cpup((__le16 *)buff);
-		u32 type_bit = BIT(type >> 4);
-
-		if (vif->priv.p2p_listen_state &&
-		    vif->mgmt_reg_stypes & type_bit)
-			wilc_wfi_p2p_rx(vif, buff, size);
-
-		if (vif->monitor_flag)
-			wilc_wfi_monitor_rx(wilc->monitor_dev, buff, size);
-	}
-	srcu_read_unlock(&wilc->srcu, srcu_idx);
-}
-
-static const struct net_device_ops wilc_netdev_ops = {
-	.ndo_init = mac_init_fn,
-	.ndo_open = wilc_mac_open,
-	.ndo_stop = wilc_mac_close,
-	.ndo_start_xmit = wilc_mac_xmit,
-	.ndo_get_stats = mac_stats,
-	.ndo_set_rx_mode  = wilc_set_multicast_list,
-};
-
-void wilc_netdev_cleanup(struct wilc *wilc)
-{
-	struct wilc_vif *vif;
-	int srcu_idx, ifc_cnt = 0;
-
-	if (!wilc)
-		return;
-
-	if (wilc->firmware) {
-		release_firmware(wilc->firmware);
-		wilc->firmware = NULL;
-	}
-
-	srcu_idx = srcu_read_lock(&wilc->srcu);
-	list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
-		if (vif->ndev)
-			unregister_netdev(vif->ndev);
-	}
-	srcu_read_unlock(&wilc->srcu, srcu_idx);
-
-	wilc_wfi_deinit_mon_interface(wilc, false);
-	flush_workqueue(wilc->hif_workqueue);
-	destroy_workqueue(wilc->hif_workqueue);
-
-	while (ifc_cnt < WILC_NUM_CONCURRENT_IFC) {
-		mutex_lock(&wilc->vif_mutex);
-		if (wilc->vif_num <= 0) {
-			mutex_unlock(&wilc->vif_mutex);
-			break;
-		}
-		vif = wilc_get_wl_to_vif(wilc);
-		if (!IS_ERR(vif))
-			list_del_rcu(&vif->list);
-
-		wilc->vif_num--;
-		mutex_unlock(&wilc->vif_mutex);
-		synchronize_srcu(&wilc->srcu);
-		ifc_cnt++;
-	}
-
-	wilc_wlan_cfg_deinit(wilc);
-	wlan_deinit_locks(wilc);
-	kfree(wilc->bus_data);
-	wiphy_unregister(wilc->wiphy);
-	wiphy_free(wilc->wiphy);
-}
-EXPORT_SYMBOL_GPL(wilc_netdev_cleanup);
-
-static u8 wilc_get_available_idx(struct wilc *wl)
-{
-	int idx = 0;
-	struct wilc_vif *vif;
-	int srcu_idx;
-
-	srcu_idx = srcu_read_lock(&wl->srcu);
-	list_for_each_entry_rcu(vif, &wl->vif_list, list) {
-		if (vif->idx == 0)
-			idx = 1;
-		else
-			idx = 0;
-	}
-	srcu_read_unlock(&wl->srcu, srcu_idx);
-	return idx;
-}
-
-struct wilc_vif *wilc_netdev_ifc_init(struct wilc *wl, const char *name,
-				      int vif_type, enum nl80211_iftype type,
-				      bool rtnl_locked)
-{
-	struct net_device *ndev;
-	struct wilc_vif *vif;
-	int ret;
-
-	ndev = alloc_etherdev(sizeof(*vif));
-	if (!ndev)
-		return ERR_PTR(-ENOMEM);
-
-	vif = netdev_priv(ndev);
-	ndev->ieee80211_ptr = &vif->priv.wdev;
-	strcpy(ndev->name, name);
-	vif->wilc = wl;
-	vif->ndev = ndev;
-	ndev->ml_priv = vif;
-
-	ndev->netdev_ops = &wilc_netdev_ops;
-
-	SET_NETDEV_DEV(ndev, wiphy_dev(wl->wiphy));
-
-	vif->priv.wdev.wiphy = wl->wiphy;
-	vif->priv.wdev.netdev = ndev;
-	vif->priv.wdev.iftype = type;
-	vif->priv.dev = ndev;
-
-	if (rtnl_locked)
-		ret = register_netdevice(ndev);
-	else
-		ret = register_netdev(ndev);
-
-	if (ret) {
-		free_netdev(ndev);
-		return ERR_PTR(-EFAULT);
-	}
-
-	ndev->needs_free_netdev = true;
-	vif->iftype = vif_type;
-	vif->idx = wilc_get_available_idx(wl);
-	vif->mac_opened = 0;
-	mutex_lock(&wl->vif_mutex);
-	list_add_tail_rcu(&vif->list, &wl->vif_list);
-	wl->vif_num += 1;
-	mutex_unlock(&wl->vif_mutex);
-	synchronize_srcu(&wl->srcu);
-
-	return vif;
-}
-
-MODULE_LICENSE("GPL");