tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * File: desc.h
20 *
21 * Purpose:The header file of descriptor
22 *
23 * Revision History:
24 *
25 * Author: Tevin Chen
26 *
27 * Date: May 21, 1996
28 *
29 */
30
31#ifndef __DESC_H__
32#define __DESC_H__
33
34#include <linux/types.h>
35#include <linux/mm.h>
36
37#include "tether.h"
38
39/* max transmit or receive buffer size */
40#define CB_MAX_BUF_SIZE 2900U /* NOTE: must be multiple of 4 */
41
42/* max TX buffer size */
43#define CB_MAX_TX_BUF_SIZE CB_MAX_BUF_SIZE
44/* max RX buffer size when not use Multi-RD */
45#define CB_MAX_RX_BUF_SIZE_NORMAL CB_MAX_BUF_SIZE
46
47#define CB_BEACON_BUF_SIZE 512U /* default beacon buffer size */
48
49#define MAX_TOTAL_SIZE_WITH_ALL_HEADERS CB_MAX_BUF_SIZE
50
51#define MAX_INTERRUPT_SIZE 32
52
53#define RX_BLOCKS 64 /* from 0x60 to 0xA0 */
54#define TX_BLOCKS 32 /* from 0xA0 to 0xC0 */
55
56#define CB_MAX_RX_DESC 128 /* max # of descriptors */
57#define CB_MIN_RX_DESC 16 /* min # of RX descriptors */
58#define CB_MAX_TX_DESC 128 /* max # of descriptors */
59#define CB_MIN_TX_DESC 16 /* min # of TX descriptors */
60
61#define CB_RD_NUM 64 /* default # of RD */
62#define CB_TD_NUM 64 /* default # of TD */
63
64/*
65 * bits in the RSR register
66 */
67#define RSR_ADDRBROAD 0x80
68#define RSR_ADDRMULTI 0x40
69#define RSR_ADDRUNI 0x00
70#define RSR_IVLDTYP 0x20 /* invalid packet type */
71#define RSR_IVLDLEN 0x10 /* invalid len (> 2312 byte) */
72#define RSR_BSSIDOK 0x08
73#define RSR_CRCOK 0x04
74#define RSR_BCNSSIDOK 0x02
75#define RSR_ADDROK 0x01
76
77/*
78 * bits in the new RSR register
79 */
80#define NEWRSR_DECRYPTOK 0x10
81#define NEWRSR_CFPIND 0x08
82#define NEWRSR_HWUTSF 0x04
83#define NEWRSR_BCNHITAID 0x02
84#define NEWRSR_BCNHITAID0 0x01
85
86/*
87 * bits in the TSR register
88 */
89#define TSR_RETRYTMO 0x08
90#define TSR_TMO 0x04
91#define TSR_ACKDATA 0x02
92#define TSR_VALID 0x01
93
94#define CB_PROTOCOL_RESERVED_SECTION 16
95
96/*
97 * if retries exceed 15 times, TX will abort, and
98 * if TX fifo underflow, TX will fail
99 * we should try to resend it
100 */
101#define CB_MAX_TX_ABORT_RETRY 3
102
103#define FIFOCTL_AUTO_FB_1 0x1000
104#define FIFOCTL_AUTO_FB_0 0x0800
105#define FIFOCTL_GRPACK 0x0400
106#define FIFOCTL_11GA 0x0300
107#define FIFOCTL_11GB 0x0200
108#define FIFOCTL_11B 0x0100
109#define FIFOCTL_11A 0x0000
110#define FIFOCTL_RTS 0x0080
111#define FIFOCTL_ISDMA0 0x0040
112#define FIFOCTL_GENINT 0x0020
113#define FIFOCTL_TMOEN 0x0010
114#define FIFOCTL_LRETRY 0x0008
115#define FIFOCTL_CRCDIS 0x0004
116#define FIFOCTL_NEEDACK 0x0002
117#define FIFOCTL_LHEAD 0x0001
118
119/* WMAC definition Frag Control */
120#define FRAGCTL_AES 0x0300
121#define FRAGCTL_TKIP 0x0200
122#define FRAGCTL_LEGACY 0x0100
123#define FRAGCTL_NONENCRYPT 0x0000
124#define FRAGCTL_ENDFRAG 0x0003
125#define FRAGCTL_MIDFRAG 0x0002
126#define FRAGCTL_STAFRAG 0x0001
127#define FRAGCTL_NONFRAG 0x0000
128
129#define TYPE_TXDMA0 0
130#define TYPE_AC0DMA 1
131#define TYPE_ATIMDMA 2
132#define TYPE_SYNCDMA 3
133#define TYPE_MAXTD 2
134
135#define TYPE_BEACONDMA 4
136
137#define TYPE_RXDMA0 0
138#define TYPE_RXDMA1 1
139#define TYPE_MAXRD 2
140
141/* TD_INFO flags control bit */
142#define TD_FLAGS_NETIF_SKB 0x01 /* check if need release skb */
143#define TD_FLAGS_PRIV_SKB 0x02 /* check if called from private skb(hostap) */
144#define TD_FLAGS_PS_RETRY 0x04 /* check if PS STA frame re-transmit */
145
146/*
147 * TX FIFO header
148 */
149typedef struct tagSTxBufHead {
150 u32 adwTxKey[4];
151 u16 wFIFOCtl;
152 u16 wTimeStamp;
153 u16 wFragCtl;
154 u16 wReserved;
155} __attribute__ ((__packed__))
156STxBufHead, *PSTxBufHead;
157typedef const STxBufHead *PCSTxBufHead;
158
159typedef struct tagSTxShortBufHead {
160 u16 wFIFOCtl;
161 u16 wTimeStamp;
162} __attribute__ ((__packed__))
163STxShortBufHead, *PSTxShortBufHead;
164typedef const STxShortBufHead *PCSTxShortBufHead;
165
166typedef struct tagSBEACONCtl {
167 u32 BufReady:1;
168 u32 TSF:15;
169 u32 BufLen:11;
170 u32 Reserved:5;
171} __attribute__ ((__packed__))
172SBEACONCtl;
173
174typedef struct tagSSecretKey {
175 u32 dwLowDword;
176 u8 byHighByte;
177} __attribute__ ((__packed__))
178SSecretKey;
179
180typedef struct tagSKeyEntry {
181 u8 abyAddrHi[2];
182 u16 wKCTL;
183 u8 abyAddrLo[4];
184 u32 dwKey0[4];
185 u32 dwKey1[4];
186 u32 dwKey2[4];
187 u32 dwKey3[4];
188 u32 dwKey4[4];
189} __attribute__ ((__packed__))
190SKeyEntry;
191
192#endif /* __DESC_H__ */