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/*
* 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: desc.h
*
* Purpose:The header file of descriptor
*
* Revision History:
*
* Author: Tevin Chen
*
* Date: May 21, 1996
*
*/
#ifndef __DESC_H__
#define __DESC_H__
#include <linux/types.h>
#include <linux/mm.h>
#include "ttype.h"
#include "tether.h"
// max transmit or receive buffer size
#define CB_MAX_BUF_SIZE 2900U // max buffer size
// NOTE: must be multiple of 4
#define CB_MAX_TX_BUF_SIZE CB_MAX_BUF_SIZE // max Tx buffer size
#define CB_MAX_RX_BUF_SIZE_NORMAL CB_MAX_BUF_SIZE // max Rx buffer size when not use Multi-RD
#define CB_BEACON_BUF_SIZE 512U // default beacon buffer size
#define MAX_TOTAL_SIZE_WITH_ALL_HEADERS CB_MAX_BUF_SIZE
#define MAX_INTERRUPT_SIZE 32
#define RX_BLOCKS 64 // form 0x60 to 0xA0
#define TX_BLOCKS 32 // from 0xA0 to 0xC0
#define CB_MAX_RX_DESC 128 // max # of descriptor
#define CB_MIN_RX_DESC 16 // min # of rx descriptor
#define CB_MAX_TX_DESC 128 // max # of descriptor
#define CB_MIN_TX_DESC 16 // min # of tx descriptor
#define CB_RD_NUM 64 // default # of RD
#define CB_TD_NUM 64 // default # of TD
//
// Bits in the RSR register
//
#define RSR_ADDRBROAD 0x80 // 1000 0000
#define RSR_ADDRMULTI 0x40 // 0100 0000
#define RSR_ADDRUNI 0x00 // 0000 0000
#define RSR_IVLDTYP 0x20 // 0010 0000 , invalid packet type
#define RSR_IVLDLEN 0x10 // 0001 0000 , invalid len (> 2312 byte)
#define RSR_BSSIDOK 0x08 // 0000 1000
#define RSR_CRCOK 0x04 // 0000 0100
#define RSR_BCNSSIDOK 0x02 // 0000 0010
#define RSR_ADDROK 0x01 // 0000 0001
//
// Bits in the new RSR register
//
#define NEWRSR_DECRYPTOK 0x10 // 0001 0000
#define NEWRSR_CFPIND 0x08 // 0000 1000
#define NEWRSR_HWUTSF 0x04 // 0000 0100
#define NEWRSR_BCNHITAID 0x02 // 0000 0010
#define NEWRSR_BCNHITAID0 0x01 // 0000 0001
//
// Bits in the TSR register
//
#define TSR_RETRYTMO 0x08 // 0000 1000
#define TSR_TMO 0x04 // 0000 0100
#define TSR_ACKDATA 0x02 // 0000 0010
#define TSR_VALID 0x01 // 0000 0001
#define CB_PROTOCOL_RESERVED_SECTION 16
// if retrys excess 15 times , tx will abort, and
// if tx fifo underflow, tx will fail
// we should try to resend it
#define CB_MAX_TX_ABORT_RETRY 3
#define FIFOCTL_AUTO_FB_1 0x1000 // 0001 0000 0000 0000
#define FIFOCTL_AUTO_FB_0 0x0800 // 0000 1000 0000 0000
#define FIFOCTL_GRPACK 0x0400 // 0000 0100 0000 0000
#define FIFOCTL_11GA 0x0300 // 0000 0011 0000 0000
#define FIFOCTL_11GB 0x0200 // 0000 0010 0000 0000
#define FIFOCTL_11B 0x0100 // 0000 0001 0000 0000
#define FIFOCTL_11A 0x0000 // 0000 0000 0000 0000
#define FIFOCTL_RTS 0x0080 // 0000 0000 1000 0000
#define FIFOCTL_ISDMA0 0x0040 // 0000 0000 0100 0000
#define FIFOCTL_GENINT 0x0020 // 0000 0000 0010 0000
#define FIFOCTL_TMOEN 0x0010 // 0000 0000 0001 0000
#define FIFOCTL_LRETRY 0x0008 // 0000 0000 0000 1000
#define FIFOCTL_CRCDIS 0x0004 // 0000 0000 0000 0100
#define FIFOCTL_NEEDACK 0x0002 // 0000 0000 0000 0010
#define FIFOCTL_LHEAD 0x0001 // 0000 0000 0000 0001
//WMAC definition Frag Control
#define FRAGCTL_AES 0x0300 // 0000 0011 0000 0000
#define FRAGCTL_TKIP 0x0200 // 0000 0010 0000 0000
#define FRAGCTL_LEGACY 0x0100 // 0000 0001 0000 0000
#define FRAGCTL_NONENCRYPT 0x0000 // 0000 0000 0000 0000
#define FRAGCTL_ENDFRAG 0x0003 // 0000 0000 0000 0011
#define FRAGCTL_MIDFRAG 0x0002 // 0000 0000 0000 0010
#define FRAGCTL_STAFRAG 0x0001 // 0000 0000 0000 0001
#define FRAGCTL_NONFRAG 0x0000 // 0000 0000 0000 0000
#define TYPE_TXDMA0 0
#define TYPE_AC0DMA 1
#define TYPE_ATIMDMA 2
#define TYPE_SYNCDMA 3
#define TYPE_MAXTD 2
#define TYPE_BEACONDMA 4
#define TYPE_RXDMA0 0
#define TYPE_RXDMA1 1
#define TYPE_MAXRD 2
// TD_INFO flags control bit
#define TD_FLAGS_NETIF_SKB 0x01 // check if need release skb
#define TD_FLAGS_PRIV_SKB 0x02 // check if called from private skb(hostap)
#define TD_FLAGS_PS_RETRY 0x04 // check if PS STA frame re-transmit
//
// RsvTime buffer header
//
typedef struct tagSRrvTime_gRTS {
WORD wRTSTxRrvTime_ba;
WORD wRTSTxRrvTime_aa;
WORD wRTSTxRrvTime_bb;
WORD wReserved;
WORD wTxRrvTime_b;
WORD wTxRrvTime_a;
} __attribute__ ((__packed__))
SRrvTime_gRTS, *PSRrvTime_gRTS;
typedef const SRrvTime_gRTS *PCSRrvTime_gRTS;
typedef struct tagSRrvTime_gCTS {
WORD wCTSTxRrvTime_ba;
WORD wReserved;
WORD wTxRrvTime_b;
WORD wTxRrvTime_a;
} __attribute__ ((__packed__))
SRrvTime_gCTS, *PSRrvTime_gCTS;
typedef const SRrvTime_gCTS *PCSRrvTime_gCTS;
typedef struct tagSRrvTime_ab {
WORD wRTSTxRrvTime;
WORD wTxRrvTime;
} __attribute__ ((__packed__))
SRrvTime_ab, *PSRrvTime_ab;
typedef const SRrvTime_ab *PCSRrvTime_ab;
typedef struct tagSRrvTime_atim {
WORD wCTSTxRrvTime_ba;
WORD wTxRrvTime_a;
} __attribute__ ((__packed__))
SRrvTime_atim, *PSRrvTime_atim;
typedef const SRrvTime_atim *PCSRrvTime_atim;
//
// RTS buffer header
//
typedef struct tagSRTSData {
WORD wFrameControl;
WORD wDurationID;
BYTE abyRA[ETH_ALEN];
BYTE abyTA[ETH_ALEN];
} __attribute__ ((__packed__))
SRTSData, *PSRTSData;
typedef const SRTSData *PCSRTSData;
typedef struct tagSRTS_g {
BYTE bySignalField_b;
BYTE byServiceField_b;
WORD wTransmitLength_b;
BYTE bySignalField_a;
BYTE byServiceField_a;
WORD wTransmitLength_a;
WORD wDuration_ba;
WORD wDuration_aa;
WORD wDuration_bb;
WORD wReserved;
SRTSData Data;
} __attribute__ ((__packed__))
SRTS_g, *PSRTS_g;
typedef const SRTS_g *PCSRTS_g;
typedef struct tagSRTS_g_FB {
BYTE bySignalField_b;
BYTE byServiceField_b;
WORD wTransmitLength_b;
BYTE bySignalField_a;
BYTE byServiceField_a;
WORD wTransmitLength_a;
WORD wDuration_ba;
WORD wDuration_aa;
WORD wDuration_bb;
WORD wReserved;
WORD wRTSDuration_ba_f0;
WORD wRTSDuration_aa_f0;
WORD wRTSDuration_ba_f1;
WORD wRTSDuration_aa_f1;
SRTSData Data;
} __attribute__ ((__packed__))
SRTS_g_FB, *PSRTS_g_FB;
typedef const SRTS_g_FB *PCSRTS_g_FB;
typedef struct tagSRTS_ab {
BYTE bySignalField;
BYTE byServiceField;
WORD wTransmitLength;
WORD wDuration;
WORD wReserved;
SRTSData Data;
} __attribute__ ((__packed__))
SRTS_ab, *PSRTS_ab;
typedef const SRTS_ab *PCSRTS_ab;
typedef struct tagSRTS_a_FB {
BYTE bySignalField;
BYTE byServiceField;
WORD wTransmitLength;
WORD wDuration;
WORD wReserved;
WORD wRTSDuration_f0;
WORD wRTSDuration_f1;
SRTSData Data;
} __attribute__ ((__packed__))
SRTS_a_FB, *PSRTS_a_FB;
typedef const SRTS_a_FB *PCSRTS_a_FB;
//
// CTS buffer header
//
typedef struct tagSCTSData {
WORD wFrameControl;
WORD wDurationID;
BYTE abyRA[ETH_ALEN];
WORD wReserved;
} __attribute__ ((__packed__))
SCTSData, *PSCTSData;
typedef struct tagSCTS {
BYTE bySignalField_b;
BYTE byServiceField_b;
WORD wTransmitLength_b;
WORD wDuration_ba;
WORD wReserved;
SCTSData Data;
} __attribute__ ((__packed__))
SCTS, *PSCTS;
typedef const SCTS *PCSCTS;
typedef struct tagSCTS_FB {
BYTE bySignalField_b;
BYTE byServiceField_b;
WORD wTransmitLength_b;
WORD wDuration_ba;
WORD wReserved;
WORD wCTSDuration_ba_f0;
WORD wCTSDuration_ba_f1;
SCTSData Data;
} __attribute__ ((__packed__))
SCTS_FB, *PSCTS_FB;
typedef const SCTS_FB *PCSCTS_FB;
//
// Tx FIFO header
//
typedef struct tagSTxBufHead {
u32 adwTxKey[4];
WORD wFIFOCtl;
WORD wTimeStamp;
WORD wFragCtl;
WORD wReserved;
} __attribute__ ((__packed__))
STxBufHead, *PSTxBufHead;
typedef const STxBufHead *PCSTxBufHead;
typedef struct tagSTxShortBufHead {
WORD wFIFOCtl;
WORD wTimeStamp;
} __attribute__ ((__packed__))
STxShortBufHead, *PSTxShortBufHead;
typedef const STxShortBufHead *PCSTxShortBufHead;
//
// Tx data header
//
typedef struct tagSTxDataHead_g {
BYTE bySignalField_b;
BYTE byServiceField_b;
WORD wTransmitLength_b;
BYTE bySignalField_a;
BYTE byServiceField_a;
WORD wTransmitLength_a;
WORD wDuration_b;
WORD wDuration_a;
WORD wTimeStampOff_b;
WORD wTimeStampOff_a;
} __attribute__ ((__packed__))
STxDataHead_g, *PSTxDataHead_g;
typedef const STxDataHead_g *PCSTxDataHead_g;
typedef struct tagSTxDataHead_g_FB {
BYTE bySignalField_b;
BYTE byServiceField_b;
WORD wTransmitLength_b;
BYTE bySignalField_a;
BYTE byServiceField_a;
WORD wTransmitLength_a;
WORD wDuration_b;
WORD wDuration_a;
WORD wDuration_a_f0;
WORD wDuration_a_f1;
WORD wTimeStampOff_b;
WORD wTimeStampOff_a;
} __attribute__ ((__packed__))
STxDataHead_g_FB, *PSTxDataHead_g_FB;
typedef const STxDataHead_g_FB *PCSTxDataHead_g_FB;
typedef struct tagSTxDataHead_ab {
BYTE bySignalField;
BYTE byServiceField;
WORD wTransmitLength;
WORD wDuration;
WORD wTimeStampOff;
} __attribute__ ((__packed__))
STxDataHead_ab, *PSTxDataHead_ab;
typedef const STxDataHead_ab *PCSTxDataHead_ab;
typedef struct tagSTxDataHead_a_FB {
BYTE bySignalField;
BYTE byServiceField;
WORD wTransmitLength;
WORD wDuration;
WORD wTimeStampOff;
WORD wDuration_f0;
WORD wDuration_f1;
} __attribute__ ((__packed__))
STxDataHead_a_FB, *PSTxDataHead_a_FB;
typedef const STxDataHead_a_FB *PCSTxDataHead_a_FB;
//
// MICHDR data header
//
typedef struct tagSMICHDRHead {
u32 adwHDR0[4];
u32 adwHDR1[4];
u32 adwHDR2[4];
} __attribute__ ((__packed__))
SMICHDRHead, *PSMICHDRHead;
typedef const SMICHDRHead *PCSMICHDRHead;
typedef struct tagSBEACONCtl {
u32 BufReady:1;
u32 TSF:15;
u32 BufLen:11;
u32 Reserved:5;
} __attribute__ ((__packed__))
SBEACONCtl;
typedef struct tagSSecretKey {
u32 dwLowDword;
BYTE byHighByte;
} __attribute__ ((__packed__))
SSecretKey;
typedef struct tagSKeyEntry {
BYTE abyAddrHi[2];
WORD wKCTL;
BYTE abyAddrLo[4];
u32 dwKey0[4];
u32 dwKey1[4];
u32 dwKey2[4];
u32 dwKey3[4];
u32 dwKey4[4];
} __attribute__ ((__packed__))
SKeyEntry;
#endif /* __DESC_H__ */
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