mirror of
https://github.com/YikeStone/MT7601u.git
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274 lines
6.7 KiB
C
274 lines
6.7 KiB
C
/****************************************************************************
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* Ralink Tech Inc.
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* Taiwan, R.O.C.
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*
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* (c) Copyright 2002, Ralink Technology, Inc.
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*
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* All rights reserved. Ralink's source code is an unpublished work and the
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* use of a copyright notice does not imply otherwise. This source code
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* contains confidential trade secret material of Ralink Tech. Any attemp
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* or participation in deciphering, decoding, reverse engineering or in any
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* way altering the source code is stricitly prohibited, unless the prior
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* written consent of Ralink Technology, Inc. is obtained.
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***************************************************************************/
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/****************************************************************************
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Abstract:
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Support multi-BSS function.
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Note:
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1. Call RT28xx_MBSS_Init() in init function and
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call RT28xx_MBSS_Remove() in close function
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2. MAC of different BSS is initialized in APStartUp()
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3. BSS Index (0 ~ 15) of different rx packet is got in
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APHandleRxDoneInterrupt() by using FromWhichBSSID = pEntry->apidx;
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Or FromWhichBSSID = BSS0;
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4. BSS Index (0 ~ 15) of different tx packet is assigned in
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MBSS_VirtualIF_PacketSend() by using RTMP_SET_PACKET_NET_DEVICE_MBSSID()
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5. BSS Index (0 ~ 15) of different BSS is got in APHardTransmit() by using
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RTMP_GET_PACKET_IF()
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6. BSS Index (0 ~ 15) of IOCTL command is put in pAd->OS_Cookie->ioctl_if
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7. Beacon of different BSS is enabled in APMakeAllBssBeacon() by writing 1
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to the register MAC_BSSID_DW1
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8. The number of MBSS can be 1, 2, 4, or 8
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***************************************************************************/
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#define RTMP_MODULE_OS
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#ifdef MBSS_SUPPORT
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#define MODULE_MBSS
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/*#include "rt_config.h" */
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#include "rtmp_comm.h"
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#include "rt_os_util.h"
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#include "rt_os_net.h"
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/* --------------------------------- Public -------------------------------- */
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NET_DEV_STATS *RT28xx_get_ether_stats(
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IN PNET_DEV net_dev);
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/*
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========================================================================
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Routine Description:
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Initialize Multi-BSS function.
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Arguments:
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pAd points to our adapter
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pDevMain points to the main BSS network interface
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Return Value:
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None
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Note:
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1. Only create and initialize virtual network interfaces.
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2. No main network interface here.
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3. If you down ra0 and modify the BssNum of RT2860AP.dat/RT2870AP.dat,
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it will not work! You must rmmod rt2860ap.ko and lsmod rt2860ap.ko again.
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========================================================================
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*/
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VOID RT28xx_MBSS_Init(
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IN VOID *pAd,
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IN PNET_DEV pDevMain)
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{
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RTMP_OS_NETDEV_OP_HOOK netDevHook;
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NdisZeroMemory(&netDevHook, sizeof(netDevHook));
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netDevHook.open = MBSS_VirtualIF_Open; /* device opem hook point */
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netDevHook.stop = MBSS_VirtualIF_Close; /* device close hook point */
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netDevHook.xmit = MBSS_VirtualIF_PacketSend; /* hard transmit hook point */
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netDevHook.ioctl = MBSS_VirtualIF_Ioctl; /* ioctl hook point */
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netDevHook.get_stats = RT28xx_get_ether_stats;
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RTMP_AP_IoctlHandle(pAd, NULL, CMD_RTPRIV_IOCTL_MBSS_INIT,
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0, &netDevHook, 0);
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}
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/*
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========================================================================
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Routine Description:
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Remove Multi-BSS network interface.
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Arguments:
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pAd points to our adapter
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Return Value:
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None
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Note:
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FIRST_MBSSID = 1
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Main BSS is not removed here.
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========================================================================
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*/
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VOID RT28xx_MBSS_Remove(
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IN VOID *pAd)
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{
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RTMP_AP_IoctlHandle(pAd, NULL, CMD_RTPRIV_IOCTL_MBSS_REMOVE, 0, NULL, 0);
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}
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/* --------------------------------- Private -------------------------------- */
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/*
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========================================================================
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Routine Description:
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Open a virtual network interface.
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Arguments:
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pDev which WLAN network interface
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Return Value:
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0: open successfully
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otherwise: open fail
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Note:
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========================================================================
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*/
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INT MBSS_VirtualIF_Open(
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IN PNET_DEV pDev)
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{
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VOID *pAd;
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DBGPRINT(RT_DEBUG_TRACE, ("%s: ===> MBSSVirtualIF_open\n", RTMP_OS_NETDEV_GET_DEVNAME(pDev)));
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pAd = RTMP_OS_NETDEV_GET_PRIV(pDev);
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RTMP_AP_IoctlHandle(pAd, NULL, CMD_RTPRIV_IOCTL_MBSS_OPEN, 0, pDev, 0);
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if (VIRTUAL_IF_UP(pAd) != 0)
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return -1;
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/* increase MODULE use count */
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RT_MOD_INC_USE_COUNT();
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RTMP_OS_NETDEV_START_QUEUE(pDev);
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return 0;
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}
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/*
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========================================================================
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Routine Description:
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Close a virtual network interface.
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Arguments:
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pDev which WLAN network interface
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Return Value:
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0: close successfully
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otherwise: close fail
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Note:
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========================================================================
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*/
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INT MBSS_VirtualIF_Close(
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IN PNET_DEV pDev)
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{
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VOID *pAd;
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DBGPRINT(RT_DEBUG_TRACE, ("%s: ===> MBSSVirtualIF_close\n", RTMP_OS_NETDEV_GET_DEVNAME(pDev)));
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pAd = RTMP_OS_NETDEV_GET_PRIV(pDev);
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RTMP_OS_NETDEV_STOP_QUEUE(pDev);
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RTMP_AP_IoctlHandle(pAd, NULL, CMD_RTPRIV_IOCTL_MBSS_CLOSE, 0, pDev, 0);
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VIRTUAL_IF_DOWN(pAd);
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RT_MOD_DEC_USE_COUNT();
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return 0;
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}
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/*
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========================================================================
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Routine Description:
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Send a packet to WLAN.
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Arguments:
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pPktSrc points to our adapter
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pDev which WLAN network interface
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Return Value:
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0: transmit successfully
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otherwise: transmit fail
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Note:
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========================================================================
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*/
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INT MBSS_VirtualIF_PacketSend(
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IN PNDIS_PACKET pPktSrc,
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IN PNET_DEV pDev)
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{
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MEM_DBG_PKT_ALLOC_INC(pPktSrc);
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if(!(RTMP_OS_NETDEV_STATE_RUNNING(pDev)))
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{
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/* the interface is down */
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RELEASE_NDIS_PACKET(NULL, pPktSrc, NDIS_STATUS_FAILURE);
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return 0;
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}
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return MBSS_PacketSend(pPktSrc, pDev, rt28xx_packet_xmit);
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}
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/*
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========================================================================
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Routine Description:
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IOCTL to WLAN.
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Arguments:
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pDev which WLAN network interface
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pIoCtrl command information
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Command command ID
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Return Value:
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0: IOCTL successfully
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otherwise: IOCTL fail
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Note:
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SIOCETHTOOL 8946 New drivers use this ETHTOOL interface to
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report link failure activity.
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========================================================================
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*/
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INT MBSS_VirtualIF_Ioctl(
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IN PNET_DEV pDev,
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IN OUT VOID *pIoCtrl,
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IN INT Command)
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{
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VOID *pAd;
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pAd = RTMP_OS_NETDEV_GET_PRIV(pDev);
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ASSERT(pAd);
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if (!pAd)
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return -EINVAL;
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/* if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE)) */
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if (RTMP_DRIVER_IOCTL_SANITY_CHECK(pAd, NULL) != NDIS_STATUS_SUCCESS)
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return -ENETDOWN;
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return rt28xx_ioctl(pDev, pIoCtrl, Command);
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}
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#endif /* MBSS_SUPPORT */
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