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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 "tether.h"
/* max transmit or receive buffer size */
#define CB_MAX_BUF_SIZE 2900U /* NOTE: must be multiple of 4 */
/* max TX buffer size */
#define CB_MAX_TX_BUF_SIZE CB_MAX_BUF_SIZE
/* max RX buffer size when not use Multi-RD */
#define CB_MAX_RX_BUF_SIZE_NORMAL CB_MAX_BUF_SIZE
#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 /* from 0x60 to 0xA0 */
#define TX_BLOCKS 32 /* from 0xA0 to 0xC0 */
#define CB_MAX_RX_DESC 128 /* max # of descriptors */
#define CB_MIN_RX_DESC 16 /* min # of RX descriptors */
#define CB_MAX_TX_DESC 128 /* max # of descriptors */
#define CB_MIN_TX_DESC 16 /* min # of TX descriptors */
#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
#define RSR_ADDRMULTI 0x40
#define RSR_ADDRUNI 0x00
#define RSR_IVLDTYP 0x20 /* invalid packet type */
#define RSR_IVLDLEN 0x10 /* invalid len (> 2312 byte) */
#define RSR_BSSIDOK 0x08
#define RSR_CRCOK 0x04
#define RSR_BCNSSIDOK 0x02
#define RSR_ADDROK 0x01
/*
* bits in the new RSR register
*/
#define NEWRSR_DECRYPTOK 0x10
#define NEWRSR_CFPIND 0x08
#define NEWRSR_HWUTSF 0x04
#define NEWRSR_BCNHITAID 0x02
#define NEWRSR_BCNHITAID0 0x01
/*
* bits in the TSR register
*/
#define TSR_RETRYTMO 0x08
#define TSR_TMO 0x04
#define TSR_ACKDATA 0x02
#define TSR_VALID 0x01
#define CB_PROTOCOL_RESERVED_SECTION 16
/*
* if retries exceed 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
#define FIFOCTL_AUTO_FB_0 0x0800
#define FIFOCTL_GRPACK 0x0400
#define FIFOCTL_11GA 0x0300
#define FIFOCTL_11GB 0x0200
#define FIFOCTL_11B 0x0100
#define FIFOCTL_11A 0x0000
#define FIFOCTL_RTS 0x0080
#define FIFOCTL_ISDMA0 0x0040
#define FIFOCTL_GENINT 0x0020
#define FIFOCTL_TMOEN 0x0010
#define FIFOCTL_LRETRY 0x0008
#define FIFOCTL_CRCDIS 0x0004
#define FIFOCTL_NEEDACK 0x0002
#define FIFOCTL_LHEAD 0x0001
/* WMAC definition Frag Control */
#define FRAGCTL_AES 0x0300
#define FRAGCTL_TKIP 0x0200
#define FRAGCTL_LEGACY 0x0100
#define FRAGCTL_NONENCRYPT 0x0000
#define FRAGCTL_ENDFRAG 0x0003
#define FRAGCTL_MIDFRAG 0x0002
#define FRAGCTL_STAFRAG 0x0001
#define FRAGCTL_NONFRAG 0x0000
#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 */
/*
* TX FIFO header
*/
typedef struct tagSTxBufHead {
u32 adwTxKey[4];
u16 wFIFOCtl;
u16 wTimeStamp;
u16 wFragCtl;
u16 wReserved;
} __attribute__ ((__packed__))
STxBufHead, *PSTxBufHead;
typedef const STxBufHead *PCSTxBufHead;
typedef struct tagSTxShortBufHead {
u16 wFIFOCtl;
u16 wTimeStamp;
} __attribute__ ((__packed__))
STxShortBufHead, *PSTxShortBufHead;
typedef const STxShortBufHead *PCSTxShortBufHead;
typedef struct tagSBEACONCtl {
u32 BufReady:1;
u32 TSF:15;
u32 BufLen:11;
u32 Reserved:5;
} __attribute__ ((__packed__))
SBEACONCtl;
typedef struct tagSSecretKey {
u32 dwLowDword;
u8 byHighByte;
} __attribute__ ((__packed__))
SSecretKey;
typedef struct tagSKeyEntry {
u8 abyAddrHi[2];
u16 wKCTL;
u8 abyAddrLo[4];
u32 dwKey0[4];
u32 dwKey1[4];
u32 dwKey2[4];
u32 dwKey3[4];
u32 dwKey4[4];
} __attribute__ ((__packed__))
SKeyEntry;
#endif /* __DESC_H__ */