/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* File: device.h
*
* Purpose: MAC Data structure
*
* Author: Tevin Chen
*
* Date: Mar 17, 1997
*
*/
#ifndef __DEVICE_H__
#define __DEVICE_H__
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/etherdevice.h>
#include <linux/suspend.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include <net/cfg80211.h>
#include <linux/timer.h>
#include <linux/usb.h>
#ifdef SIOCETHTOOL
#define DEVICE_ETHTOOL_IOCTL_SUPPORT
#include <linux/ethtool.h>
#else
#undef DEVICE_ETHTOOL_IOCTL_SUPPORT
#endif
/* please copy below macro to driver_event.c for API */
#define RT_INSMOD_EVENT_FLAG 0x0101
#define RT_UPDEV_EVENT_FLAG 0x0102
#define RT_DISCONNECTED_EVENT_FLAG 0x0103
#define RT_WPACONNECTED_EVENT_FLAG 0x0104
#define RT_DOWNDEV_EVENT_FLAG 0x0105
#define RT_RMMOD_EVENT_FLAG 0x0106
/*
* device specific
*/
#include "device_cfg.h"
#include "80211hdr.h"
#include "tether.h"
#include "wmgr.h"
#include "wcmd.h"
#include "mib.h"
#include "srom.h"
#include "rc4.h"
#include "desc.h"
#include "key.h"
#include "card.h"
#define VNT_USB_VENDOR_ID 0x160a
#define VNT_USB_PRODUCT_ID 0x3184
#define MAC_MAX_CONTEXT_REG (256+128)
#define MAX_MULTICAST_ADDRESS_NUM 32
#define MULTICAST_ADDRESS_LIST_SIZE (MAX_MULTICAST_ADDRESS_NUM * ETH_ALEN)
#define DUPLICATE_RX_CACHE_LENGTH 5
#define NUM_KEY_ENTRY 11
#define TX_WEP_NONE 0
#define TX_WEP_OTF 1
#define TX_WEP_SW 2
#define TX_WEP_SWOTP 3
#define TX_WEP_OTPSW 4
#define TX_WEP_SW232 5
#define KEYSEL_WEP40 0
#define KEYSEL_WEP104 1
#define KEYSEL_TKIP 2
#define KEYSEL_CCMP 3
#define AUTO_FB_NONE 0
#define AUTO_FB_0 1
#define AUTO_FB_1 2
#define FB_RATE0 0
#define FB_RATE1 1
/* Antenna Mode */
#define ANT_A 0
#define ANT_B 1
#define ANT_DIVERSITY 2
#define ANT_RXD_TXA 3
#define ANT_RXD_TXB 4
#define ANT_UNKNOWN 0xFF
#define ANT_TXA 0
#define ANT_TXB 1
#define ANT_RXA 2
#define ANT_RXB 3
#define MAXCHECKHANGCNT 4
/* Packet type */
#define TX_PKT_UNI 0x00
#define TX_PKT_MULTI 0x01
#define TX_PKT_BROAD 0x02
#define BB_VGA_LEVEL 4
#define BB_VGA_CHANGE_THRESHOLD 3
#ifndef RUN_AT
#define RUN_AT(x) (jiffies+(x))
#endif
/* DMA related */
#define RESERV_AC0DMA 4
#define PRIVATE_Message 0
#define DBG_PRT(l, p, args...) { if (l <= msglevel) printk(p, ##args); }
#define PRINT_K(p, args...) { if (PRIVATE_Message) printk(p, ##args); }
typedef enum __device_msg_level {
MSG_LEVEL_ERR = 0, /* Errors causing abnormal operation */
MSG_LEVEL_NOTICE = 1, /* Errors needing user notification */
MSG_LEVEL_INFO = 2, /* Normal message. */
MSG_LEVEL_VERBOSE = 3, /* Will report all trival errors. */
MSG_LEVEL_DEBUG = 4 /* Only for debug purpose. */
} DEVICE_MSG_LEVEL, *PDEVICE_MSG_LEVEL;
typedef enum __device_init_type {
DEVICE_INIT_COLD = 0, /* cold init */
DEVICE_INIT_RESET, /* reset init or Dx to D0 power remain */
DEVICE_INIT_DXPL /* Dx to D0 power lost init */
} DEVICE_INIT_TYPE, *PDEVICE_INIT_TYPE;
/* USB */
/*
* Enum of context types for SendPacket
*/
typedef enum _CONTEXT_TYPE {
CONTEXT_DATA_PACKET = 1,
CONTEXT_MGMT_PACKET
} CONTEXT_TYPE;
/* RCB (Receive Control Block) */
typedef struct _RCB
{
void *Next;
signed long Ref;
void *pDevice;
struct urb *pUrb;
struct vnt_rx_mgmt sMngPacket;
struct sk_buff *skb;
int bBoolInUse;
} RCB, *PRCB;
/* used to track bulk out irps */
typedef struct _USB_SEND_CONTEXT {
void *pDevice;
struct sk_buff *pPacket;
struct urb *pUrb;
unsigned int uBufLen;
CONTEXT_TYPE Type;
struct ethhdr sEthHeader;
void *Next;
bool bBoolInUse;
unsigned char Data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
} USB_SEND_CONTEXT, *PUSB_SEND_CONTEXT;
/* structure got from configuration file as user-desired default settings */
typedef struct _DEFAULT_CONFIG {
signed int ZoneType;
signed int eConfigMode;
signed int eAuthenMode; /* open/wep/wpa */
signed int bShareKeyAlgorithm; /* open-open/{open,wep}-sharekey */
signed int keyidx; /* wepkey index */
signed int eEncryptionStatus;
} DEFAULT_CONFIG, *PDEFAULT_CONFIG;
/*
* Structure to keep track of USB interrupt packets
*/
typedef struct {
unsigned int uDataLen;
u8 * pDataBuf;
/* struct urb *pUrb; */
bool bInUse;
} INT_BUFFER, *PINT_BUFFER;
/* 0:11A 1:11B 2:11G */
typedef enum _VIA_BB_TYPE
{
BB_TYPE_11A = 0,
BB_TYPE_11B,
BB_TYPE_11G
} VIA_BB_TYPE, *PVIA_BB_TYPE;
/* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga(OFDM in BasicRate) */
typedef enum _VIA_PKT_TYPE
{
PK_TYPE_11A = 0,
PK_TYPE_11B,
PK_TYPE_11GB,
PK_TYPE_11GA
} VIA_PKT_TYPE, *PVIA_PKT_TYPE;
/*++ NDIS related */
typedef enum __DEVICE_NDIS_STATUS {
STATUS_SUCCESS = 0,
STATUS_FAILURE,
STATUS_RESOURCES,
STATUS_PENDING,
} DEVICE_NDIS_STATUS, *PDEVICE_NDIS_STATUS;
#define MAX_BSSIDINFO_4_PMKID 16
#define MAX_PMKIDLIST 5
/* flags for PMKID Candidate list structure */
#define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
/* PMKID Structures */
typedef unsigned char NDIS_802_11_PMKID_VALUE[16];
typedef enum _NDIS_802_11_WEP_STATUS
{
Ndis802_11WEPEnabled,
Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
Ndis802_11WEPDisabled,
Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
Ndis802_11WEPKeyAbsent,
Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
Ndis802_11WEPNotSupported,
Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
Ndis802_11Encryption2Enabled,
Ndis802_11Encryption2KeyAbsent,
Ndis802_11Encryption3Enabled,
Ndis802_11Encryption3KeyAbsent
} NDIS_802_11_WEP_STATUS, *PNDIS_802_11_WEP_STATUS,
NDIS_802_11_ENCRYPTION_STATUS, *PNDIS_802_11_ENCRYPTION_STATUS;
typedef enum _NDIS_802_11_STATUS_TYPE
{
Ndis802_11StatusType_Authentication,
Ndis802_11StatusType_MediaStreamMode,
Ndis802_11StatusType_PMKID_CandidateList,
Ndis802_11StatusTypeMax, /* not a real type, defined as upper bound */
} NDIS_802_11_STATUS_TYPE, *PNDIS_802_11_STATUS_TYPE;
/* added new types for PMKID Candidate lists */
typedef struct _PMKID_CANDIDATE {
NDIS_802_11_MAC_ADDRESS BSSID;
unsigned long Flags;
} PMKID_CANDIDATE, *PPMKID_CANDIDATE;
typedef struct _BSSID_INFO
{
NDIS_802_11_MAC_ADDRESS BSSID;
NDIS_802_11_PMKID_VALUE PMKID;
} BSSID_INFO, *PBSSID_INFO;
typedef struct tagSPMKID {
unsigned long Length;
unsigned long BSSIDInfoCount;
BSSID_INFO BSSIDInfo[MAX_BSSIDINFO_4_PMKID];
} SPMKID, *PSPMKID;
typedef struct tagSPMKIDCandidateEvent {
NDIS_802_11_STATUS_TYPE StatusType;
unsigned long Version; /* Version of the structure */
unsigned long NumCandidates; /* No. of pmkid candidates */
PMKID_CANDIDATE CandidateList[MAX_PMKIDLIST];
} SPMKIDCandidateEvent, *PSPMKIDCandidateEvent;
/*++ 802.11h related */
#define MAX_QUIET_COUNT 8
typedef struct tagSQuietControl {
bool bEnable;
u32 dwStartTime;
u8 byPeriod;
u16 wDuration;
} SQuietControl, *PSQuietControl;
/* The receive duplicate detection cache entry */
typedef struct tagSCacheEntry{
u16 wFmSequence;
u8 abyAddr2[ETH_ALEN];
u16 wFrameCtl;
} SCacheEntry, *PSCacheEntry;
typedef struct tagSCache{
/* The receive cache is updated circularly. The next entry to be written is
* indexed by the "InPtr".
*/
unsigned int uInPtr; /* Place to use next */
SCacheEntry asCacheEntry[DUPLICATE_RX_CACHE_LENGTH];
} SCache, *PSCache;
#define CB_MAX_RX_FRAG 64
/*
* DeFragment Control Block, used for collecting fragments prior to reassembly
*/
typedef struct tagSDeFragControlBlock
{
u16 wSequence;
u16 wFragNum;
u8 abyAddr2[ETH_ALEN];
unsigned int uLifetime;
struct sk_buff* skb;
u8 * pbyRxBuffer;
unsigned int cbFrameLength;
bool bInUse;
} SDeFragControlBlock, *PSDeFragControlBlock;
/* flags for options */
#define DEVICE_FLAGS_UNPLUG 0x00000001UL
#define DEVICE_FLAGS_PREAMBLE_TYPE 0x00000002UL
#define DEVICE_FLAGS_OP_MODE 0x00000004UL
#define DEVICE_FLAGS_PS_MODE 0x00000008UL
#define DEVICE_FLAGS_80211h_MODE 0x00000010UL
/* flags for driver status */
#define DEVICE_FLAGS_OPENED 0x00010000UL
#define DEVICE_FLAGS_WOL_ENABLED 0x00080000UL
/* flags for capabilities */
#define DEVICE_FLAGS_TX_ALIGN 0x01000000UL
#define DEVICE_FLAGS_HAVE_CAM 0x02000000UL
#define DEVICE_FLAGS_FLOW_CTRL 0x04000000UL
/* flags for MII status */
#define DEVICE_LINK_FAIL 0x00000001UL
#define DEVICE_SPEED_10 0x00000002UL
#define DEVICE_SPEED_100 0x00000004UL
#define DEVICE_SPEED_1000 0x00000008UL
#define DEVICE_DUPLEX_FULL 0x00000010UL
#define DEVICE_AUTONEG_ENABLE 0x00000020UL
#define DEVICE_FORCED_BY_EEPROM 0x00000040UL
/* for device_set_media_duplex */
#define DEVICE_LINK_CHANGE 0x00000001UL
typedef struct __device_opt {
int nRxDescs0; /* number of RX descriptors 0 */
int nTxDescs0; /* number of TX descriptors 0, 1, 2, 3 */
int rts_thresh; /* RTS threshold */
int frag_thresh;
int OpMode;
int data_rate;
int channel_num;
int short_retry;
int long_retry;
int bbp_type;
u32 flags;
} OPTIONS, *POPTIONS;
struct vnt_private {
/* netdev */
struct usb_device *usb;
struct net_device *dev;
struct net_device_stats stats;
OPTIONS sOpts;
struct tasklet_struct CmdWorkItem;
struct tasklet_struct EventWorkItem;
struct tasklet_struct ReadWorkItem;
struct tasklet_struct RxMngWorkItem;
u32 rx_buf_sz;
int multicast_limit;
u8 byRxMode;
spinlock_t lock;
u32 rx_bytes;
u8 byRevId;
u32 flags;
unsigned long Flags;
SCache sDupRxCache;
SDeFragControlBlock sRxDFCB[CB_MAX_RX_FRAG];
u32 cbDFCB;
u32 cbFreeDFCB;
u32 uCurrentDFCBIdx;
/* USB */
struct urb *pControlURB;
struct urb *pInterruptURB;
struct usb_ctrlrequest sUsbCtlRequest;
u32 int_interval;
/* Variables to track resources for the BULK In Pipe */
PRCB pRCBMem;
PRCB apRCB[CB_MAX_RX_DESC];
u32 cbRD;
PRCB FirstRecvFreeList;
PRCB LastRecvFreeList;
u32 NumRecvFreeList;
PRCB FirstRecvMngList;
PRCB LastRecvMngList;
u32 NumRecvMngList;
int bIsRxWorkItemQueued;
int bIsRxMngWorkItemQueued;
unsigned long ulRcvRefCount; /* packets that have not returned back */
/* Variables to track resources for the BULK Out Pipe */
PUSB_SEND_CONTEXT apTD[CB_MAX_TX_DESC];
u32 cbTD;
/* Variables to track resources for the Interrupt In Pipe */
INT_BUFFER intBuf;
int fKillEventPollingThread;
int bEventAvailable;
/* default config from file by user setting */
DEFAULT_CONFIG config_file;
/* Statistic for USB */
unsigned long ulBulkInPosted;
unsigned long ulBulkInError;
unsigned long ulBulkInContCRCError;
unsigned long ulBulkInBytesRead;
unsigned long ulBulkOutPosted;
unsigned long ulBulkOutError;
unsigned long ulBulkOutContCRCError;
unsigned long ulBulkOutBytesWrite;
unsigned long ulIntInPosted;
unsigned long ulIntInError;
unsigned long ulIntInContCRCError;
unsigned long ulIntInBytesRead;
/* Version control */
u16 wFirmwareVersion;
u8 byLocalID;
u8 byRFType;
u8 byBBRxConf;
u8 byZoneType;
int bZoneRegExist;
u8 byOriginalZonetype;
int bLinkPass; /* link status: OK or fail */
u8 abyCurrentNetAddr[ETH_ALEN];
u8 abyPermanentNetAddr[ETH_ALEN];
int bExistSWNetAddr;
/* Adapter statistics */
SStatCounter scStatistic;
/* 802.11 counter */
SDot11Counters s802_11Counter;
/* Maintain statistical debug info. */
unsigned long packetsReceived;
unsigned long packetsReceivedDropped;
unsigned long packetsReceivedOverflow;
unsigned long packetsSent;
unsigned long packetsSentDropped;
unsigned long SendContextsInUse;
unsigned long RcvBuffersInUse;
/* 802.11 management */
struct vnt_manager vnt_mgmt;
u64 qwCurrTSF;
u32 cbBulkInMax;
int bPSRxBeacon;
/* 802.11 MAC specific */
u32 uCurrRSSI;
u8 byCurrSQ;
/* Antenna Diversity */
int bTxRxAntInv;
u32 dwRxAntennaSel;
u32 dwTxAntennaSel;
u8 byAntennaCount;
u8 byRxAntennaMode;
u8 byTxAntennaMode;
u8 byRadioCtl;
u8 bHWRadioOff;
/* SQ3 functions for antenna diversity */
struct timer_list TimerSQ3Tmax1;
struct timer_list TimerSQ3Tmax2;
struct timer_list TimerSQ3Tmax3;
int bDiversityRegCtlON;
int bDiversityEnable;
unsigned long ulDiversityNValue;
unsigned long ulDiversityMValue;
u8 byTMax;
u8 byTMax2;
u8 byTMax3;
unsigned long ulSQ3TH;
unsigned long uDiversityCnt;
u8 byAntennaState;
unsigned long ulRatio_State0;
unsigned long ulRatio_State1;
unsigned long ulSQ3_State0;
unsigned long ulSQ3_State1;
unsigned long aulSQ3Val[MAX_RATE];
unsigned long aulPktNum[MAX_RATE];
/* IFS & Cw */
u32 uSIFS; /* Current SIFS */
u32 uDIFS; /* Current DIFS */
u32 uEIFS; /* Current EIFS */
u32 uSlot; /* Current SlotTime */
u32 uCwMin; /* Current CwMin */
u32 uCwMax; /* CwMax is fixed on 1023 */
/* PHY parameter */
u8 bySIFS;
u8 byDIFS;
u8 byEIFS;
u8 bySlot;
u8 byCWMaxMin;
/* Rate */
VIA_BB_TYPE byBBType; /* 0: 11A, 1:11B, 2:11G */
VIA_PKT_TYPE byPacketType; /* 0:11a 1:11b 2:11gb 3:11ga */
u16 wBasicRate;
u8 byACKRate;
u8 byTopOFDMBasicRate;
u8 byTopCCKBasicRate;
u32 dwAotoRateTxOkCnt;
u32 dwAotoRateTxFailCnt;
u32 dwErrorRateThreshold[13];
u32 dwTPTable[MAX_RATE];
u8 abyEEPROM[EEP_MAX_CONTEXT_SIZE]; /*u32 alignment */
u8 byMinChannel;
u8 byMaxChannel;
u32 uConnectionRate;
u8 byPreambleType;
u8 byShortPreamble;
/* CARD_PHY_TYPE */
u8 eConfigPHYMode;
/* For RF Power table */
u8 byCCKPwr;
u8 byOFDMPwrG;
u8 byOFDMPwrA;
u8 byCurPwr;
u8 abyCCKPwrTbl[14];
u8 abyOFDMPwrTbl[14];
u8 abyOFDMAPwrTbl[42];
u16 wCurrentRate;
u16 wRTSThreshold;
u16 wFragmentationThreshold;
u8 byShortRetryLimit;
u8 byLongRetryLimit;
CARD_OP_MODE eOPMode;
int bBSSIDFilter;
u16 wMaxTransmitMSDULifetime;
u8 abyBSSID[ETH_ALEN];
u8 abyDesireBSSID[ETH_ALEN];
u16 wCTSDuration; /* update while speed change */
u16 wACKDuration;
u16 wRTSTransmitLen;
u8 byRTSServiceField;
u8 byRTSSignalField;
u32 dwMaxReceiveLifetime; /* dot11MaxReceiveLifetime */
int bCCK;
int bEncryptionEnable;
int bLongHeader;
int bSoftwareGenCrcErr;
int bShortSlotTime;
int bProtectMode;
int bNonERPPresent;
int bBarkerPreambleMd;
u8 byERPFlag;
u16 wUseProtectCntDown;
int bRadioControlOff;
int bRadioOff;
/* Power save */
int bEnablePSMode;
u16 wListenInterval;
int bPWBitOn;
WMAC_POWER_MODE ePSMode;
unsigned long ulPSModeWaitTx;
int bPSModeTxBurst;
/* Beacon releated */
u16 wSeqCounter;
int bBeaconBufReady;
int bBeaconSent;
int bFixRate;
u8 byCurrentCh;
u32 uScanTime;
CMD_STATE eCommandState;
CMD_CODE eCommand;
int bBeaconTx;
u8 byScanBBType;
int bStopBeacon;
int bStopDataPkt;
int bStopTx0Pkt;
u32 uAutoReConnectTime;
u32 uIsroamingTime;
/* 802.11 counter */
CMD_ITEM eCmdQueue[CMD_Q_SIZE];
u32 uCmdDequeueIdx;
u32 uCmdEnqueueIdx;
u32 cbFreeCmdQueue;
int bCmdRunning;
int bCmdClear;
int bNeedRadioOFF;
int bEnableRoaming;
int bIsRoaming;
int bFastRoaming;
u8 bSameBSSMaxNum;
u8 bSameBSSCurNum;
int bRoaming;
int b11hEable;
unsigned long ulTxPower;
/* Encryption */
NDIS_802_11_WEP_STATUS eEncryptionStatus;
int bTransmitKey;
NDIS_802_11_WEP_STATUS eOldEncryptionStatus;
SKeyManagement sKey;
u32 dwIVCounter;
RC4Ext SBox;
u8 abyPRNG[WLAN_WEPMAX_KEYLEN+3];
u8 byKeyIndex;
int bAES;
u32 uKeyLength;
u8 abyKey[WLAN_WEP232_KEYLEN];
/* for AP mode */
u32 uAssocCount;
int bMoreData;
/* QoS */
int bGrpAckPolicy;
u8 byAutoFBCtrl;
int bTxMICFail;
int bRxMICFail;
/* For Update BaseBand VGA Gain Offset */
int bUpdateBBVGA;
u32 uBBVGADiffCount;
u8 byBBVGANew;
u8 byBBVGACurrent;
u8 abyBBVGA[BB_VGA_LEVEL];
signed long ldBmThreshold[BB_VGA_LEVEL];
u8 byBBPreEDRSSI;
u8 byBBPreEDIndex;
int bRadioCmd;
u32 dwDiagRefCount;
/* For FOE Tuning */
u8 byFOETuning;
/* For Auto Power Tunning */
u8 byAutoPwrTunning;
/* BaseBand Loopback Use */
u8 byBBCR4d;
u8 byBBCRc9;
u8 byBBCR88;
u8 byBBCR09;
/* command timer */
struct timer_list sTimerCommand;
struct timer_list sTimerTxData;
unsigned long nTxDataTimeCout;
int fTxDataInSleep;
int IsTxDataTrigger;
int fWPA_Authened; /*is WPA/WPA-PSK or WPA2/WPA2-PSK authen?? */
u8 byReAssocCount;
u8 byLinkWaitCount;
struct ethhdr sTxEthHeader;
struct ethhdr sRxEthHeader;
u8 abyBroadcastAddr[ETH_ALEN];
u8 abySNAP_RFC1042[ETH_ALEN];
u8 abySNAP_Bridgetunnel[ETH_ALEN];
/* Pre-Authentication & PMK cache */
SPMKID gsPMKID;
SPMKIDCandidateEvent gsPMKIDCandidate;
/* for 802.11h */
int b11hEnable;
int bChannelSwitch;
u8 byNewChannel;
u8 byChannelSwitchCount;
/* WPA supplicant daemon */
int bWPADEVUp;
int bwextstep0;
int bwextstep1;
int bwextstep2;
int bwextstep3;
int bWPASuppWextEnabled;
/* user space daemon: hostapd, is used for HOSTAP */
int bEnableHostapd;
int bEnable8021x;
int bEnableHostWEP;
struct net_device *apdev;
int (*tx_80211)(struct sk_buff *skb, struct net_device *dev);
u32 uChannel;
struct iw_statistics wstats; /* wireless stats */
int bCommit;
};
#define EnqueueRCB(_Head, _Tail, _RCB) \
{ \
if (!_Head) { \
_Head = _RCB; \
} \
else { \
_Tail->Next = _RCB; \
} \
_RCB->Next = NULL; \
_Tail = _RCB; \
}
#define DequeueRCB(Head, Tail) \
{ \
PRCB RCB = Head; \
if (!RCB->Next) { \
Tail = NULL; \
} \
Head = RCB->Next; \
}
#define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \
if ((uVar) >= ((uModulo) - 1)) \
(uVar) = 0; \
else \
(uVar)++; \
}
#define fMP_RESET_IN_PROGRESS 0x00000001
#define fMP_DISCONNECTED 0x00000002
#define fMP_HALT_IN_PROGRESS 0x00000004
#define fMP_SURPRISE_REMOVED 0x00000008
#define fMP_RECV_LOOKASIDE 0x00000010
#define fMP_INIT_IN_PROGRESS 0x00000020
#define fMP_SEND_SIDE_RESOURCE_ALLOCATED 0x00000040
#define fMP_RECV_SIDE_RESOURCE_ALLOCATED 0x00000080
#define fMP_POST_READS 0x00000100
#define fMP_POST_WRITES 0x00000200
#define fMP_CONTROL_READS 0x00000400
#define fMP_CONTROL_WRITES 0x00000800
#define MP_SET_FLAG(_M, _F) ((_M)->Flags |= (_F))
#define MP_CLEAR_FLAG(_M, _F) ((_M)->Flags &= ~(_F))
#define MP_TEST_FLAGS(_M, _F) (((_M)->Flags & (_F)) == (_F))
#define MP_IS_READY(_M) (((_M)->Flags & \
(fMP_DISCONNECTED | fMP_RESET_IN_PROGRESS | fMP_HALT_IN_PROGRESS | fMP_INIT_IN_PROGRESS | fMP_SURPRISE_REMOVED)) == 0)
int device_alloc_frag_buf(struct vnt_private *, PSDeFragControlBlock pDeF);
#endif