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2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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.
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.
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.
21 * Purpose:The header file of descriptor
34 #include <linux/types.h>
36 #include "linux/ieee80211.h"
38 #define B_OWNED_BY_CHIP 1
39 #define B_OWNED_BY_HOST 0
41 /* Bits in the RSR register */
42 #define RSR_ADDRBROAD 0x80
43 #define RSR_ADDRMULTI 0x40
44 #define RSR_ADDRUNI 0x00
45 #define RSR_IVLDTYP 0x20
46 #define RSR_IVLDLEN 0x10 /* invalid len (> 2312 byte) */
47 #define RSR_BSSIDOK 0x08
48 #define RSR_CRCOK 0x04
49 #define RSR_BCNSSIDOK 0x02
50 #define RSR_ADDROK 0x01
52 /* Bits in the new RSR register */
53 #define NEWRSR_DECRYPTOK 0x10
54 #define NEWRSR_CFPIND 0x08
55 #define NEWRSR_HWUTSF 0x04
56 #define NEWRSR_BCNHITAID 0x02
57 #define NEWRSR_BCNHITAID0 0x01
59 /* Bits in the TSR0 register */
60 #define TSR0_PWRSTS1_2 0xC0
61 #define TSR0_PWRSTS7 0x20
64 /* Bits in the TSR1 register */
65 #define TSR1_TERR 0x80
66 #define TSR1_PWRSTS4_6 0x70
67 #define TSR1_RETRYTMO 0x08
69 #define TSR1_PWRSTS3 0x02
72 /* Bits in the TCR register */
73 #define EDMSDU 0x04 /* end of sdu */
74 #define TCR_EDP 0x02 /* end of packet */
75 #define TCR_STP 0x01 /* start of packet */
77 /* max transmit or receive buffer size */
78 #define CB_MAX_BUF_SIZE 2900U
79 /* NOTE: must be multiple of 4 */
80 #define CB_MAX_TX_BUF_SIZE CB_MAX_BUF_SIZE
81 #define CB_MAX_RX_BUF_SIZE_NORMAL CB_MAX_BUF_SIZE
83 #define CB_BEACON_BUF_SIZE 512U
85 #define CB_MAX_RX_DESC 128
86 #define CB_MIN_RX_DESC 16
87 #define CB_MAX_TX_DESC 64
88 #define CB_MIN_TX_DESC 16
90 #define CB_MAX_RECEIVED_PACKETS 16
92 * limit our receive routine to indicating
93 * this many at a time for 2 reasons:
94 * 1. driver flow control to protocol layer
95 * 2. limit the time used in ISR routine
98 #define CB_EXTRA_RD_NUM 32
103 * max number of physical segments in a single NDIS packet. Above this
104 * threshold, the packet is copied into a single physically contiguous buffer
106 #define CB_MAX_SEGMENT 4
108 #define CB_MIN_MAP_REG_NUM 4
109 #define CB_MAX_MAP_REG_NUM CB_MAX_TX_DESC
111 #define CB_PROTOCOL_RESERVED_SECTION 16
114 * if retrys excess 15 times , tx will abort, and if tx fifo underflow,
115 * tx will fail, we should try to resend it
117 #define CB_MAX_TX_ABORT_RETRY 3
119 /* WMAC definition FIFO Control */
120 #define FIFOCTL_AUTO_FB_1 0x1000
121 #define FIFOCTL_AUTO_FB_0 0x0800
122 #define FIFOCTL_GRPACK 0x0400
123 #define FIFOCTL_11GA 0x0300
124 #define FIFOCTL_11GB 0x0200
125 #define FIFOCTL_11B 0x0100
126 #define FIFOCTL_11A 0x0000
127 #define FIFOCTL_RTS 0x0080
128 #define FIFOCTL_ISDMA0 0x0040
129 #define FIFOCTL_GENINT 0x0020
130 #define FIFOCTL_TMOEN 0x0010
131 #define FIFOCTL_LRETRY 0x0008
132 #define FIFOCTL_CRCDIS 0x0004
133 #define FIFOCTL_NEEDACK 0x0002
134 #define FIFOCTL_LHEAD 0x0001
136 /* WMAC definition Frag Control */
137 #define FRAGCTL_AES 0x0300
138 #define FRAGCTL_TKIP 0x0200
139 #define FRAGCTL_LEGACY 0x0100
140 #define FRAGCTL_NONENCRYPT 0x0000
141 #define FRAGCTL_ENDFRAG 0x0003
142 #define FRAGCTL_MIDFRAG 0x0002
143 #define FRAGCTL_STAFRAG 0x0001
144 #define FRAGCTL_NONFRAG 0x0000
146 #define TYPE_TXDMA0 0
147 #define TYPE_AC0DMA 1
148 #define TYPE_ATIMDMA 2
149 #define TYPE_SYNCDMA 3
152 #define TYPE_BEACONDMA 4
154 #define TYPE_RXDMA0 0
155 #define TYPE_RXDMA1 1
158 /* TD_INFO flags control bit */
159 #define TD_FLAGS_NETIF_SKB 0x01 /* check if need release skb */
160 #define TD_FLAGS_PRIV_SKB 0x02 /* check if called from private skb (hostap) */
161 #define TD_FLAGS_PS_RETRY 0x04 /* check if PS STA frame re-transmit */
164 * ref_sk_buff is used for mapping the skb structure between pre-built
165 * driver-obj & running kernel. Since different kernel version (2.4x) may
166 * change skb structure, i.e. pre-built driver-obj may link to older skb that
170 typedef struct tagDEVICE_RD_INFO
{
173 } DEVICE_RD_INFO
, *PDEVICE_RD_INFO
;
177 typedef struct tagRDES0
{
178 volatile __le16 wResCount
;
180 volatile u16 f15Reserved
;
182 volatile u8 f8Reserved1
;
183 volatile u8 f1Owner
:1;
184 volatile u8 f7Reserved
:7;
185 } __attribute__ ((__packed__
));
186 } __attribute__ ((__packed__
));
187 } __attribute__ ((__packed__
))
192 typedef struct tagRDES0
{
194 unsigned short f15Reserved
:15;
195 unsigned short f1Owner
:1;
196 } __attribute__ ((__packed__
))
201 typedef struct tagRDES1
{
203 unsigned short wReserved
;
204 } __attribute__ ((__packed__
))
208 typedef struct tagSRxDesc
{
209 volatile SRDES0 m_rd0RD0
;
210 volatile SRDES1 m_rd1RD1
;
211 volatile __le32 buff_addr
;
212 volatile __le32 next_desc
;
213 struct tagSRxDesc
*next
__aligned(8);
214 volatile PDEVICE_RD_INFO pRDInfo
__aligned(8);
215 } __attribute__ ((__packed__
))
217 typedef const SRxDesc
*PCSRxDesc
;
224 volatile u16 f15_txtime
;
226 volatile u8 f8_reserved
;
228 volatile u8 f7_reserved
:7;
232 volatile u16 f15_txtime
:15;
233 volatile u16 owner
:1;
238 volatile __le16 req_count
;
240 volatile u8 reserved
;
252 /* transmit descriptor */
254 volatile struct vnt_tdes0 td0
;
255 volatile struct vnt_tdes1 td1
;
256 volatile __le32 buff_addr
;
257 volatile __le32 next_desc
;
258 struct vnt_tx_desc
*next
__aligned(8);
259 struct vnt_td_info
*td_info
__aligned(8);
262 /* Length, Service, and Signal fields of Phy for Tx */
263 struct vnt_phy_field
{
269 union vnt_phy_field_swap
{
270 struct vnt_phy_field field_read
;
275 #endif /* __DESC_H__ */