1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
6 * Purpose:The header file of descriptor
19 #include <linux/types.h>
21 #include "linux/ieee80211.h"
23 #define B_OWNED_BY_CHIP 1
24 #define B_OWNED_BY_HOST 0
26 /* Bits in the RSR register */
27 #define RSR_ADDRBROAD 0x80
28 #define RSR_ADDRMULTI 0x40
29 #define RSR_ADDRUNI 0x00
30 #define RSR_IVLDTYP 0x20
31 #define RSR_IVLDLEN 0x10 /* invalid len (> 2312 byte) */
32 #define RSR_BSSIDOK 0x08
33 #define RSR_CRCOK 0x04
34 #define RSR_BCNSSIDOK 0x02
35 #define RSR_ADDROK 0x01
37 /* Bits in the new RSR register */
38 #define NEWRSR_DECRYPTOK 0x10
39 #define NEWRSR_CFPIND 0x08
40 #define NEWRSR_HWUTSF 0x04
41 #define NEWRSR_BCNHITAID 0x02
42 #define NEWRSR_BCNHITAID0 0x01
44 /* Bits in the TSR0 register */
45 #define TSR0_PWRSTS1_2 0xC0
46 #define TSR0_PWRSTS7 0x20
49 /* Bits in the TSR1 register */
50 #define TSR1_TERR 0x80
51 #define TSR1_PWRSTS4_6 0x70
52 #define TSR1_RETRYTMO 0x08
54 #define TSR1_PWRSTS3 0x02
57 /* Bits in the TCR register */
58 #define EDMSDU 0x04 /* end of sdu */
59 #define TCR_EDP 0x02 /* end of packet */
60 #define TCR_STP 0x01 /* start of packet */
62 /* max transmit or receive buffer size */
63 #define CB_MAX_BUF_SIZE 2900U
64 /* NOTE: must be multiple of 4 */
65 #define CB_MAX_TX_BUF_SIZE CB_MAX_BUF_SIZE
66 #define CB_MAX_RX_BUF_SIZE_NORMAL CB_MAX_BUF_SIZE
68 #define CB_BEACON_BUF_SIZE 512U
70 #define CB_MAX_RX_DESC 128
71 #define CB_MIN_RX_DESC 16
72 #define CB_MAX_TX_DESC 64
73 #define CB_MIN_TX_DESC 16
75 #define CB_MAX_RECEIVED_PACKETS 16
77 * limit our receive routine to indicating
78 * this many at a time for 2 reasons:
79 * 1. driver flow control to protocol layer
80 * 2. limit the time used in ISR routine
83 #define CB_EXTRA_RD_NUM 32
88 * max number of physical segments in a single NDIS packet. Above this
89 * threshold, the packet is copied into a single physically contiguous buffer
91 #define CB_MAX_SEGMENT 4
93 #define CB_MIN_MAP_REG_NUM 4
94 #define CB_MAX_MAP_REG_NUM CB_MAX_TX_DESC
96 #define CB_PROTOCOL_RESERVED_SECTION 16
99 * if retrys excess 15 times , tx will abort, and if tx fifo underflow,
100 * tx will fail, we should try to resend it
102 #define CB_MAX_TX_ABORT_RETRY 3
104 /* WMAC definition FIFO Control */
105 #define FIFOCTL_AUTO_FB_1 0x1000
106 #define FIFOCTL_AUTO_FB_0 0x0800
107 #define FIFOCTL_GRPACK 0x0400
108 #define FIFOCTL_11GA 0x0300
109 #define FIFOCTL_11GB 0x0200
110 #define FIFOCTL_11B 0x0100
111 #define FIFOCTL_11A 0x0000
112 #define FIFOCTL_RTS 0x0080
113 #define FIFOCTL_ISDMA0 0x0040
114 #define FIFOCTL_GENINT 0x0020
115 #define FIFOCTL_TMOEN 0x0010
116 #define FIFOCTL_LRETRY 0x0008
117 #define FIFOCTL_CRCDIS 0x0004
118 #define FIFOCTL_NEEDACK 0x0002
119 #define FIFOCTL_LHEAD 0x0001
121 /* WMAC definition Frag Control */
122 #define FRAGCTL_AES 0x0300
123 #define FRAGCTL_TKIP 0x0200
124 #define FRAGCTL_LEGACY 0x0100
125 #define FRAGCTL_NONENCRYPT 0x0000
126 #define FRAGCTL_ENDFRAG 0x0003
127 #define FRAGCTL_MIDFRAG 0x0002
128 #define FRAGCTL_STAFRAG 0x0001
129 #define FRAGCTL_NONFRAG 0x0000
131 #define TYPE_TXDMA0 0
132 #define TYPE_AC0DMA 1
133 #define TYPE_ATIMDMA 2
134 #define TYPE_SYNCDMA 3
137 #define TYPE_BEACONDMA 4
139 #define TYPE_RXDMA0 0
140 #define TYPE_RXDMA1 1
143 /* TD_INFO flags control bit */
144 #define TD_FLAGS_NETIF_SKB 0x01 /* check if need release skb */
145 /* check if called from private skb (hostap) */
146 #define TD_FLAGS_PRIV_SKB 0x02
147 #define TD_FLAGS_PS_RETRY 0x04 /* check if PS STA frame re-transmit */
150 * ref_sk_buff is used for mapping the skb structure between pre-built
151 * driver-obj & running kernel. Since different kernel version (2.4x) may
152 * change skb structure, i.e. pre-built driver-obj may link to older skb that
162 volatile __le16 res_count;
165 volatile u16 f15_reserved;
167 volatile u8 f8_reserved1;
169 volatile u8 f7_reserved:7;
185 volatile struct vnt_rdes0 rd0;
186 volatile struct vnt_rdes1 rd1;
187 volatile __le32 buff_addr;
188 volatile __le32 next_desc;
189 struct vnt_rx_desc *next __aligned(8);
190 struct vnt_rd_info *rd_info __aligned(8);
198 volatile u16 f15_txtime;
200 volatile u8 f8_reserved;
202 volatile u8 f7_reserved:7;
206 volatile u16 f15_txtime:15;
207 volatile u16 owner:1;
212 volatile __le16 req_count;
214 volatile u8 reserved;
226 /* transmit descriptor */
228 volatile struct vnt_tdes0 td0;
229 volatile struct vnt_tdes1 td1;
230 volatile __le32 buff_addr;
231 volatile __le32 next_desc;
232 struct vnt_tx_desc *next __aligned(8);
233 struct vnt_td_info *td_info __aligned(8);
236 /* Length, Service, and Signal fields of Phy for Tx */
237 struct vnt_phy_field {
243 union vnt_phy_field_swap {
244 struct vnt_phy_field field_read;
249 #endif /* __DESC_H__ */