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alistair23-linux/drivers/staging/wilc1000/linux_mon.c
Linus Torvalds dd5cdb48ed Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Miller:
 "Another merge window, another set of networking changes.  I've heard
  rumblings that the lightweight tunnels infrastructure has been voted
  networking change of the year.  But what do I know?

   1) Add conntrack support to openvswitch, from Joe Stringer.

   2) Initial support for VRF (Virtual Routing and Forwarding), which
      allows the segmentation of routing paths without using multiple
      devices.  There are some semantic kinks to work out still, but
      this is a reasonably strong foundation.  From David Ahern.

   3) Remove spinlock fro act_bpf fast path, from Alexei Starovoitov.

   4) Ignore route nexthops with a link down state in ipv6, just like
      ipv4.  From Andy Gospodarek.

   5) Remove spinlock from fast path of act_gact and act_mirred, from
      Eric Dumazet.

   6) Document the DSA layer, from Florian Fainelli.

   7) Add netconsole support to bcmgenet, systemport, and DSA.  Also
      from Florian Fainelli.

   8) Add Mellanox Switch Driver and core infrastructure, from Jiri
      Pirko.

   9) Add support for "light weight tunnels", which allow for
      encapsulation and decapsulation without bearing the overhead of a
      full blown netdevice.  From Thomas Graf, Jiri Benc, and a cast of
      others.

  10) Add Identifier Locator Addressing support for ipv6, from Tom
      Herbert.

  11) Support fragmented SKBs in iwlwifi, from Johannes Berg.

  12) Allow perf PMUs to be accessed from eBPF programs, from Kaixu Xia.

  13) Add BQL support to 3c59x driver, from Loganaden Velvindron.

  14) Stop using a zero TX queue length to mean that a device shouldn't
      have a qdisc attached, use an explicit flag instead.  From Phil
      Sutter.

  15) Use generic geneve netdevice infrastructure in openvswitch, from
      Pravin B Shelar.

  16) Add infrastructure to avoid re-forwarding a packet in software
      that was already forwarded by a hardware switch.  From Scott
      Feldman.

  17) Allow AF_PACKET fanout function to be implemented in a bpf
      program, from Willem de Bruijn"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1458 commits)
  netfilter: nf_conntrack: make nf_ct_zone_dflt built-in
  netfilter: nf_dup{4, 6}: fix build error when nf_conntrack disabled
  net: fec: clear receive interrupts before processing a packet
  ipv6: fix exthdrs offload registration in out_rt path
  xen-netback: add support for multicast control
  bgmac: Update fixed_phy_register()
  sock, diag: fix panic in sock_diag_put_filterinfo
  flow_dissector: Use 'const' where possible.
  flow_dissector: Fix function argument ordering dependency
  ixgbe: Resolve "initialized field overwritten" warnings
  ixgbe: Remove bimodal SR-IOV disabling
  ixgbe: Add support for reporting 2.5G link speed
  ixgbe: fix bounds checking in ixgbe_setup_tc for 82598
  ixgbe: support for ethtool set_rxfh
  ixgbe: Avoid needless PHY access on copper phys
  ixgbe: cleanup to use cached mask value
  ixgbe: Remove second instance of lan_id variable
  ixgbe: use kzalloc for allocating one thing
  flow: Move __get_hash_from_flowi{4,6} into flow_dissector.c
  ixgbe: Remove unused PCI bus types
  ...
2015-09-03 08:08:17 -07:00

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/*!
* @file linux_mon.c
* @brief File Operations OS wrapper functionality
* @author mdaftedar
* @sa wilc_wfi_netdevice.h
* @date 01 MAR 2012
* @version 1.0
*/
#include "wilc_wfi_cfgoperations.h"
#include "linux_wlan_common.h"
#include "wilc_wlan_if.h"
#include "wilc_wlan.h"
#ifdef WILC_FULLY_HOSTING_AP
#include "wilc_host_ap.h"
#endif
#ifdef WILC_AP_EXTERNAL_MLME
struct wilc_wfi_radiotap_hdr {
struct ieee80211_radiotap_header hdr;
u8 rate;
/* u32 channel; */
} __attribute__((packed));
struct wilc_wfi_radiotap_cb_hdr {
struct ieee80211_radiotap_header hdr;
u8 rate;
u8 dump;
u16 tx_flags;
/* u32 channel; */
} __attribute__((packed));
extern linux_wlan_t *g_linux_wlan;
static struct net_device *wilc_wfi_mon; /* global monitor netdev */
#if USE_WIRELESS
extern int mac_xmit(struct sk_buff *skb, struct net_device *dev);
#endif
u8 srcAdd[6];
u8 bssid[6];
u8 broadcast[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
/**
* @brief WILC_WFI_monitor_rx
* @details
* @param[in]
* @return int : Return 0 on Success
* @author mdaftedar
* @date 12 JUL 2012
* @version 1.0
*/
#define IEEE80211_RADIOTAP_F_TX_RTS 0x0004 /* used rts/cts handshake */
#define IEEE80211_RADIOTAP_F_TX_FAIL 0x0001 /* failed due to excessive*/
#define IS_MANAGMEMENT 0x100
#define IS_MANAGMEMENT_CALLBACK 0x080
#define IS_MGMT_STATUS_SUCCES 0x040
#define GET_PKT_OFFSET(a) (((a) >> 22) & 0x1ff)
void WILC_WFI_monitor_rx(uint8_t *buff, uint32_t size)
{
uint32_t header, pkt_offset;
struct sk_buff *skb = NULL;
struct wilc_wfi_radiotap_hdr *hdr;
struct wilc_wfi_radiotap_cb_hdr *cb_hdr;
PRINT_INFO(HOSTAPD_DBG, "In monitor interface receive function\n");
/* struct WILC_WFI_priv *priv = netdev_priv(dev); */
/* priv = wiphy_priv(priv->dev->ieee80211_ptr->wiphy); */
/* Bug 4601 */
if (wilc_wfi_mon == NULL)
return;
if (!netif_running(wilc_wfi_mon)) {
PRINT_INFO(HOSTAPD_DBG, "Monitor interface already RUNNING\n");
return;
}
/* Get WILC header */
memcpy(&header, (buff - HOST_HDR_OFFSET), HOST_HDR_OFFSET);
/* The packet offset field conain info about what type of managment frame */
/* we are dealing with and ack status */
pkt_offset = GET_PKT_OFFSET(header);
if (pkt_offset & IS_MANAGMEMENT_CALLBACK) {
/* hostapd callback mgmt frame */
skb = dev_alloc_skb(size + sizeof(struct wilc_wfi_radiotap_cb_hdr));
if (skb == NULL) {
PRINT_INFO(HOSTAPD_DBG, "Monitor if : No memory to allocate skb");
return;
}
memcpy(skb_put(skb, size), buff, size);
cb_hdr = (struct wilc_wfi_radiotap_cb_hdr *) skb_push(skb, sizeof(*cb_hdr));
memset(cb_hdr, 0, sizeof(struct wilc_wfi_radiotap_cb_hdr));
cb_hdr->hdr.it_version = 0; /* PKTHDR_RADIOTAP_VERSION; */
cb_hdr->hdr.it_len = cpu_to_le16(sizeof(struct wilc_wfi_radiotap_cb_hdr));
cb_hdr->hdr.it_present = cpu_to_le32(
(1 << IEEE80211_RADIOTAP_RATE) |
(1 << IEEE80211_RADIOTAP_TX_FLAGS));
cb_hdr->rate = 5; /* txrate->bitrate / 5; */
if (pkt_offset & IS_MGMT_STATUS_SUCCES) {
/* success */
cb_hdr->tx_flags = IEEE80211_RADIOTAP_F_TX_RTS;
} else {
cb_hdr->tx_flags = IEEE80211_RADIOTAP_F_TX_FAIL;
}
} else {
skb = dev_alloc_skb(size + sizeof(struct wilc_wfi_radiotap_hdr));
if (skb == NULL) {
PRINT_INFO(HOSTAPD_DBG, "Monitor if : No memory to allocate skb");
return;
}
/* skb = skb_copy_expand(tx_skb, sizeof(*hdr), 0, GFP_ATOMIC); */
/* if (skb == NULL) */
/* return; */
memcpy(skb_put(skb, size), buff, size);
hdr = (struct wilc_wfi_radiotap_hdr *) skb_push(skb, sizeof(*hdr));
memset(hdr, 0, sizeof(struct wilc_wfi_radiotap_hdr));
hdr->hdr.it_version = 0; /* PKTHDR_RADIOTAP_VERSION; */
/* hdr->hdr.it_pad = 0; */
hdr->hdr.it_len = cpu_to_le16(sizeof(struct wilc_wfi_radiotap_hdr));
PRINT_INFO(HOSTAPD_DBG, "Radiotap len %d\n", hdr->hdr.it_len);
hdr->hdr.it_present = cpu_to_le32
(1 << IEEE80211_RADIOTAP_RATE); /* | */
/* (1 << IEEE80211_RADIOTAP_CHANNEL)); */
PRINT_INFO(HOSTAPD_DBG, "Presentflags %d\n", hdr->hdr.it_present);
hdr->rate = 5; /* txrate->bitrate / 5; */
}
/* if(INFO || if(skb->data[9] == 0x00 || skb->data[9] == 0xb0))
* {
* for(i=0;i<skb->len;i++)
* PRINT_INFO(HOSTAPD_DBG,"Mon RxData[%d] = %02x\n",i,skb->data[i]);
* }*/
skb->dev = wilc_wfi_mon;
skb_set_mac_header(skb, 0);
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->pkt_type = PACKET_OTHERHOST;
skb->protocol = htons(ETH_P_802_2);
memset(skb->cb, 0, sizeof(skb->cb));
netif_rx(skb);
}
struct tx_complete_mon_data {
int size;
void *buff;
};
static void mgmt_tx_complete(void *priv, int status)
{
/* struct sk_buff *skb2; */
/* struct wilc_wfi_radiotap_cb_hdr *cb_hdr; */
struct tx_complete_mon_data *pv_data = (struct tx_complete_mon_data *)priv;
u8 *buf = pv_data->buff;
if (status == 1) {
if (INFO || buf[0] == 0x10 || buf[0] == 0xb0)
PRINT_INFO(HOSTAPD_DBG, "Packet sent successfully - Size = %d - Address = %p.\n", pv_data->size, pv_data->buff);
} else {
PRINT_INFO(HOSTAPD_DBG, "Couldn't send packet - Size = %d - Address = %p.\n", pv_data->size, pv_data->buff);
}
/* //(skb->data[9] == 0x00 || skb->data[9] == 0xb0 || skb->data[9] == 0x40 || skb->data[9] == 0xd0 )
* {
* skb2 = dev_alloc_skb(pv_data->size+sizeof(struct wilc_wfi_radiotap_cb_hdr));
*
* memcpy(skb_put(skb2,pv_data->size),pv_data->buff, pv_data->size);
*
* cb_hdr = (struct wilc_wfi_radiotap_cb_hdr *) skb_push(skb2, sizeof(*cb_hdr));
* memset(cb_hdr, 0, sizeof(struct wilc_wfi_radiotap_cb_hdr));
*
* cb_hdr->hdr.it_version = 0;//PKTHDR_RADIOTAP_VERSION;
*
* cb_hdr->hdr.it_len = cpu_to_le16(sizeof(struct wilc_wfi_radiotap_cb_hdr));
*
* cb_hdr->hdr.it_present = cpu_to_le32(
* (1 << IEEE80211_RADIOTAP_RATE) |
* (1 << IEEE80211_RADIOTAP_TX_FLAGS));
*
* cb_hdr->rate = 5;//txrate->bitrate / 5;
* cb_hdr->tx_flags = 0x0004;
*
* skb2->dev = wilc_wfi_mon;
* skb_set_mac_header(skb2, 0);
* skb2->ip_summed = CHECKSUM_UNNECESSARY;
* skb2->pkt_type = PACKET_OTHERHOST;
* skb2->protocol = htons(ETH_P_802_2);
* memset(skb2->cb, 0, sizeof(skb2->cb));
*
* netif_rx(skb2);
* }*/
/* incase of fully hosting mode, the freeing will be done in response to the cfg packet */
#ifndef WILC_FULLY_HOSTING_AP
kfree(pv_data->buff);
kfree(pv_data);
#endif
}
static int mon_mgmt_tx(struct net_device *dev, const u8 *buf, size_t len)
{
struct tx_complete_mon_data *mgmt_tx = NULL;
if (dev == NULL) {
PRINT_D(HOSTAPD_DBG, "ERROR: dev == NULL\n");
return WILC_FAIL;
}
netif_stop_queue(dev);
mgmt_tx = kmalloc(sizeof(struct tx_complete_mon_data), GFP_ATOMIC);
if (mgmt_tx == NULL) {
PRINT_ER("Failed to allocate memory for mgmt_tx structure\n");
return WILC_FAIL;
}
#ifdef WILC_FULLY_HOSTING_AP
/* add space for the pointer to tx_complete_mon_data */
len += sizeof(struct tx_complete_mon_data *);
#endif
mgmt_tx->buff = kmalloc(len, GFP_ATOMIC);
if (mgmt_tx->buff == NULL) {
PRINT_ER("Failed to allocate memory for mgmt_tx buff\n");
return WILC_FAIL;
}
mgmt_tx->size = len;
#ifndef WILC_FULLY_HOSTING_AP
memcpy(mgmt_tx->buff, buf, len);
#else
memcpy(mgmt_tx->buff, buf, len - sizeof(struct tx_complete_mon_data *));
memcpy((mgmt_tx->buff) + (len - sizeof(struct tx_complete_mon_data *)), &mgmt_tx, sizeof(struct tx_complete_mon_data *));
/* filter data frames to handle it's PS */
if (filter_monitor_data_frames((mgmt_tx->buff), len) == true) {
return;
}
#endif /* WILC_FULLY_HOSTING_AP */
g_linux_wlan->oup.wlan_add_mgmt_to_tx_que(mgmt_tx, mgmt_tx->buff, mgmt_tx->size, mgmt_tx_complete);
netif_wake_queue(dev);
return 0;
}
/**
* @brief WILC_WFI_mon_xmit
* @details
* @param[in]
* @return int : Return 0 on Success
* @author mdaftedar
* @date 12 JUL 2012
* @version 1.0
*/
static netdev_tx_t WILC_WFI_mon_xmit(struct sk_buff *skb,
struct net_device *dev)
{
u32 rtap_len, i, ret = 0;
struct WILC_WFI_mon_priv *mon_priv;
struct sk_buff *skb2;
struct wilc_wfi_radiotap_cb_hdr *cb_hdr;
/* Bug 4601 */
if (wilc_wfi_mon == NULL)
return WILC_FAIL;
/* if(skb->data[3] == 0x10 || skb->data[3] == 0xb0) */
mon_priv = netdev_priv(wilc_wfi_mon);
if (mon_priv == NULL) {
PRINT_ER("Monitor interface private structure is NULL\n");
return WILC_FAIL;
}
rtap_len = ieee80211_get_radiotap_len(skb->data);
if (skb->len < rtap_len) {
PRINT_ER("Error in radiotap header\n");
return -1;
}
/* skip the radiotap header */
PRINT_INFO(HOSTAPD_DBG, "Radiotap len: %d\n", rtap_len);
if (INFO) {
for (i = 0; i < rtap_len; i++)
PRINT_INFO(HOSTAPD_DBG, "Radiotap_hdr[%d] %02x\n", i, skb->data[i]);
}
/* Skip the ratio tap header */
skb_pull(skb, rtap_len);
if (skb->data[0] == 0xc0)
PRINT_INFO(HOSTAPD_DBG, "%x:%x:%x:%x:%x%x\n", skb->data[4], skb->data[5], skb->data[6], skb->data[7], skb->data[8], skb->data[9]);
if (skb->data[0] == 0xc0 && (!(memcmp(broadcast, &skb->data[4], 6)))) {
skb2 = dev_alloc_skb(skb->len + sizeof(struct wilc_wfi_radiotap_cb_hdr));
memcpy(skb_put(skb2, skb->len), skb->data, skb->len);
cb_hdr = (struct wilc_wfi_radiotap_cb_hdr *) skb_push(skb2, sizeof(*cb_hdr));
memset(cb_hdr, 0, sizeof(struct wilc_wfi_radiotap_cb_hdr));
cb_hdr->hdr.it_version = 0; /* PKTHDR_RADIOTAP_VERSION; */
cb_hdr->hdr.it_len = cpu_to_le16(sizeof(struct wilc_wfi_radiotap_cb_hdr));
cb_hdr->hdr.it_present = cpu_to_le32(
(1 << IEEE80211_RADIOTAP_RATE) |
(1 << IEEE80211_RADIOTAP_TX_FLAGS));
cb_hdr->rate = 5; /* txrate->bitrate / 5; */
cb_hdr->tx_flags = 0x0004;
skb2->dev = wilc_wfi_mon;
skb_set_mac_header(skb2, 0);
skb2->ip_summed = CHECKSUM_UNNECESSARY;
skb2->pkt_type = PACKET_OTHERHOST;
skb2->protocol = htons(ETH_P_802_2);
memset(skb2->cb, 0, sizeof(skb2->cb));
netif_rx(skb2);
return 0;
}
skb->dev = mon_priv->real_ndev;
PRINT_INFO(HOSTAPD_DBG, "Skipping the radiotap header\n");
/* actual deliver of data is device-specific, and not shown here */
PRINT_INFO(HOSTAPD_DBG, "SKB netdevice name = %s\n", skb->dev->name);
PRINT_INFO(HOSTAPD_DBG, "MONITOR real dev name = %s\n", mon_priv->real_ndev->name);
#if USE_WIRELESS
/* Identify if Ethernet or MAC header (data or mgmt) */
memcpy(srcAdd, &skb->data[10], 6);
memcpy(bssid, &skb->data[16], 6);
/* if source address and bssid fields are equal>>Mac header */
/*send it to mgmt frames handler */
if (!(memcmp(srcAdd, bssid, 6))) {
mon_mgmt_tx(mon_priv->real_ndev, skb->data, skb->len);
dev_kfree_skb(skb);
} else
ret = mac_xmit(skb, mon_priv->real_ndev);
#endif
/* return NETDEV_TX_OK; */
return ret;
}
static const struct net_device_ops wilc_wfi_netdev_ops = {
.ndo_start_xmit = WILC_WFI_mon_xmit,
};
#ifdef WILC_FULLY_HOSTING_AP
/*
* @brief WILC_mgm_HOSTAPD_ACK
* @details report the status of transmitted mgmt frames to HOSTAPD
* @param[in] priv : pointer to tx_complete_mon_data struct
* bStatus : status of transmission
* @author Abd Al-Rahman Diab
* @date 9 May 2013
* @version 1.0
*/
void WILC_mgm_HOSTAPD_ACK(void *priv, bool bStatus)
{
struct sk_buff *skb;
struct wilc_wfi_radiotap_cb_hdr *cb_hdr;
struct tx_complete_mon_data *pv_data = (struct tx_complete_mon_data *)priv;
u8 *buf = pv_data->buff;
/* len of the original frame without the added pointer at the tail */
u16 u16len = (pv_data->size) - sizeof(struct tx_complete_mon_data *);
/*if(bStatus == 1){
* if(INFO || buf[0] == 0x10 || buf[0] == 0xb0)
* PRINT_D(HOSTAPD_DBG,"Packet sent successfully - Size = %d - Address = %p.\n",u16len,pv_data->buff);
* }else{
* PRINT_D(HOSTAPD_DBG,"Couldn't send packet - Size = %d - Address = %p.\n",u16len,pv_data->buff);
* }
*/
/* (skb->data[9] == 0x00 || skb->data[9] == 0xb0 || skb->data[9] == 0x40 || skb->data[9] == 0xd0 ) */
{
skb = dev_alloc_skb(u16len + sizeof(struct wilc_wfi_radiotap_cb_hdr));
memcpy(skb_put(skb, u16len), pv_data->buff, u16len);
cb_hdr = (struct wilc_wfi_radiotap_cb_hdr *) skb_push(skb, sizeof(*cb_hdr));
memset(cb_hdr, 0, sizeof(struct wilc_wfi_radiotap_cb_hdr));
cb_hdr->hdr.it_version = 0; /* PKTHDR_RADIOTAP_VERSION; */
cb_hdr->hdr.it_len = cpu_to_le16(sizeof(struct wilc_wfi_radiotap_cb_hdr));
cb_hdr->hdr.it_present = cpu_to_le32(
(1 << IEEE80211_RADIOTAP_RATE) |
(1 << IEEE80211_RADIOTAP_TX_FLAGS));
cb_hdr->rate = 5; /* txrate->bitrate / 5; */
if (bStatus) {
/* success */
cb_hdr->tx_flags = IEEE80211_RADIOTAP_F_TX_RTS;
} else {
cb_hdr->tx_flags = IEEE80211_RADIOTAP_F_TX_FAIL;
}
skb->dev = wilc_wfi_mon;
skb_set_mac_header(skb, 0);
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->pkt_type = PACKET_OTHERHOST;
skb->protocol = htons(ETH_P_802_2);
memset(skb->cb, 0, sizeof(skb->cb));
netif_rx(skb);
}
/* incase of fully hosting mode, the freeing will be done in response to the cfg packet */
kfree(pv_data->buff);
kfree(pv_data);
}
#endif /* WILC_FULLY_HOSTING_AP */
/**
* @brief WILC_WFI_mon_setup
* @details
* @param[in]
* @return int : Return 0 on Success
* @author mdaftedar
* @date 12 JUL 2012
* @version 1.0
*/
static void WILC_WFI_mon_setup(struct net_device *dev)
{
dev->netdev_ops = &wilc_wfi_netdev_ops;
/* dev->destructor = free_netdev; */
PRINT_INFO(CORECONFIG_DBG, "In Ethernet setup function\n");
ether_setup(dev);
dev->priv_flags |= IFF_NO_QUEUE;
dev->type = ARPHRD_IEEE80211_RADIOTAP;
eth_zero_addr(dev->dev_addr);
#ifdef USE_WIRELESS
{
/* u8 * mac_add; */
unsigned char mac_add[] = {0x00, 0x50, 0xc2, 0x5e, 0x10, 0x8f};
/* priv = wiphy_priv(priv->dev->ieee80211_ptr->wiphy); */
/* mac_add = (u8*)WILC_MALLOC(ETH_ALEN); */
/* status = host_int_get_MacAddress(priv->hWILCWFIDrv,mac_add); */
/* mac_add[ETH_ALEN-1]+=1; */
memcpy(dev->dev_addr, mac_add, ETH_ALEN);
}
#else
dev->dev_addr[0] = 0x12;
#endif
}
/**
* @brief WILC_WFI_init_mon_interface
* @details
* @param[in]
* @return int : Return 0 on Success
* @author mdaftedar
* @date 12 JUL 2012
* @version 1.0
*/
struct net_device *WILC_WFI_init_mon_interface(const char *name, struct net_device *real_dev)
{
u32 ret = WILC_SUCCESS;
struct WILC_WFI_mon_priv *priv;
/*If monitor interface is already initialized, return it*/
if (wilc_wfi_mon) {
return wilc_wfi_mon;
}
wilc_wfi_mon = alloc_etherdev(sizeof(struct WILC_WFI_mon_priv));
if (!wilc_wfi_mon) {
PRINT_ER("failed to allocate memory\n");
return NULL;
}
wilc_wfi_mon->type = ARPHRD_IEEE80211_RADIOTAP;
strncpy(wilc_wfi_mon->name, name, IFNAMSIZ);
wilc_wfi_mon->name[IFNAMSIZ - 1] = 0;
wilc_wfi_mon->netdev_ops = &wilc_wfi_netdev_ops;
ret = register_netdevice(wilc_wfi_mon);
if (ret) {
PRINT_ER(" register_netdevice failed (%d)\n", ret);
return NULL;
}
priv = netdev_priv(wilc_wfi_mon);
if (priv == NULL) {
PRINT_ER("private structure is NULL\n");
return NULL;
}
priv->real_ndev = real_dev;
return wilc_wfi_mon;
}
/**
* @brief WILC_WFI_deinit_mon_interface
* @details
* @param[in]
* @return int : Return 0 on Success
* @author mdaftedar
* @date 12 JUL 2012
* @version 1.0
*/
int WILC_WFI_deinit_mon_interface(void)
{
bool rollback_lock = false;
if (wilc_wfi_mon != NULL) {
PRINT_D(HOSTAPD_DBG, "In Deinit monitor interface\n");
PRINT_D(HOSTAPD_DBG, "RTNL is being locked\n");
if (rtnl_is_locked()) {
rtnl_unlock();
rollback_lock = true;
}
PRINT_D(HOSTAPD_DBG, "Unregister netdev\n");
unregister_netdev(wilc_wfi_mon);
/* free_netdev(wilc_wfi_mon); */
if (rollback_lock) {
rtnl_lock();
rollback_lock = false;
}
wilc_wfi_mon = NULL;
}
return WILC_SUCCESS;
}
#endif /* WILC_AP_EXTERNAL_MLME */
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