drivers/staging/vt6656/rxtx.h

   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: rxtx.h
  20  *
  21  * Purpose:
  22  *
  23  * Author: Jerry Chen
  24  *
  25  * Date: Jun. 27, 2002
  26  *
  27  */
  28
  29 #ifndef __RXTX_H__
  30 #define __RXTX_H__
  31
  32 #include "device.h"
  33 #include "wcmd.h"
  34 #include "baseband.h"
  35
  36 /* MIC HDR data header */
  37 struct vnt_mic_hdr {
  38         u8 id;
  39         u8 tx_priority;
  40         u8 mic_addr2[6];
  41         __be32 tsc_47_16;
  42         __be16 tsc_15_0;
  43         __be16 payload_len;
  44         __be16 hlen;
  45         __le16 frame_control;
  46         u8 addr1[6];
  47         u8 addr2[6];
  48         u8 addr3[6];
  49         __le16 seq_ctrl;
  50         u8 addr4[6];
  51         u16 packing; /* packing to 48 bytes */
  52 } __packed;
  53
  54 /* RsvTime buffer header */
  55 struct vnt_rrv_time_rts {
  56         __le16 rts_rrv_time_ba;
  57         __le16 rts_rrv_time_aa;
  58         __le16 rts_rrv_time_bb;
  59         u16 wReserved;
  60         __le16 rrv_time_b;
  61         __le16 rrv_time_a;
  62 } __packed;
  63
  64 struct vnt_rrv_time_cts {
  65         __le16 cts_rrv_time_ba;
  66         u16 wReserved;
  67         __le16 rrv_time_b;
  68         __le16 rrv_time_a;
  69 } __packed;
  70
  71 struct vnt_rrv_time_ab {
  72         __le16 rts_rrv_time;
  73         __le16 rrv_time;
  74 } __packed;
  75
  76 /* TX data header */
  77 struct vnt_tx_datahead_g {
  78         struct vnt_phy_field b;
  79         struct vnt_phy_field a;
  80         __le16 duration_b;
  81         __le16 duration_a;
  82         __le16 time_stamp_off_b;
  83         __le16 time_stamp_off_a;
  84 } __packed;
  85
  86 struct vnt_tx_datahead_g_fb {
  87         struct vnt_phy_field b;
  88         struct vnt_phy_field a;
  89         __le16 duration_b;
  90         __le16 duration_a;
  91         __le16 duration_a_f0;
  92         __le16 duration_a_f1;
  93         __le16 time_stamp_off_b;
  94         __le16 time_stamp_off_a;
  95 } __packed;
  96
  97 struct vnt_tx_datahead_ab {
  98         struct vnt_phy_field ab;
  99         __le16 duration;
 100         __le16 time_stamp_off;
 101 } __packed;
 102
 103 struct vnt_tx_datahead_a_fb {
 104         struct vnt_phy_field a;
 105         __le16 duration;
 106         __le16 time_stamp_off;
 107         __le16 duration_f0;
 108         __le16 duration_f1;
 109 } __packed;
 110
 111 /* RTS buffer header */
 112 struct vnt_rts_g {
 113         struct vnt_phy_field b;
 114         struct vnt_phy_field a;
 115         __le16 duration_ba;
 116         __le16 duration_aa;
 117         __le16 duration_bb;
 118         u16 wReserved;
 119         struct ieee80211_rts data;
 120         struct vnt_tx_datahead_g data_head;
 121 } __packed;
 122
 123 struct vnt_rts_g_fb {
 124         struct vnt_phy_field b;
 125         struct vnt_phy_field a;
 126         __le16 duration_ba;
 127         __le16 duration_aa;
 128         __le16 duration_bb;
 129         u16 wReserved;
 130         __le16 rts_duration_ba_f0;
 131         __le16 rts_duration_aa_f0;
 132         __le16 rts_duration_ba_f1;
 133         __le16 rts_duration_aa_f1;
 134         struct ieee80211_rts data;
 135         struct vnt_tx_datahead_g_fb data_head;
 136 } __packed;
 137
 138 struct vnt_rts_ab {
 139         struct vnt_phy_field ab;
 140         __le16 duration;
 141         u16 wReserved;
 142         struct ieee80211_rts data;
 143         struct vnt_tx_datahead_ab data_head;
 144 } __packed;
 145
 146 struct vnt_rts_a_fb {
 147         struct vnt_phy_field a;
 148         __le16 duration;
 149         u16 wReserved;
 150         __le16 rts_duration_f0;
 151         __le16 rts_duration_f1;
 152         struct ieee80211_rts data;
 153         struct vnt_tx_datahead_a_fb data_head;
 154 } __packed;
 155
 156 /* CTS buffer header */
 157 struct vnt_cts {
 158         struct vnt_phy_field b;
 159         __le16 duration_ba;
 160         u16 wReserved;
 161         struct ieee80211_cts data;
 162         u16 reserved2;
 163         struct vnt_tx_datahead_g data_head;
 164 } __packed;
 165
 166 struct vnt_cts_fb {
 167         struct vnt_phy_field b;
 168         __le16 duration_ba;
 169         u16 wReserved;
 170         __le16 cts_duration_ba_f0;
 171         __le16 cts_duration_ba_f1;
 172         struct ieee80211_cts data;
 173         u16 reserved2;
 174         struct vnt_tx_datahead_g_fb data_head;
 175 } __packed;
 176
 177 union vnt_tx_data_head {
 178         /* rts g */
 179         struct vnt_rts_g rts_g;
 180         struct vnt_rts_g_fb rts_g_fb;
 181         /* rts a/b */
 182         struct vnt_rts_ab rts_ab;
 183         struct vnt_rts_a_fb rts_a_fb;
 184         /* cts g */
 185         struct vnt_cts cts_g;
 186         struct vnt_cts_fb cts_g_fb;
 187         /* no rts/cts */
 188         struct vnt_tx_datahead_a_fb data_head_a_fb;
 189         struct vnt_tx_datahead_ab data_head_ab;
 190 };
 191
 192 struct vnt_tx_mic_hdr {
 193         struct vnt_mic_hdr hdr;
 194         union vnt_tx_data_head head;
 195 } __packed;
 196
 197 union vnt_tx {
 198         struct vnt_tx_mic_hdr mic;
 199         union vnt_tx_data_head head;
 200 };
 201
 202 union vnt_tx_head {
 203         struct {
 204                 struct vnt_rrv_time_rts rts;
 205                 union vnt_tx tx;
 206         } __packed tx_rts;
 207         struct {
 208                 struct vnt_rrv_time_cts cts;
 209                 union vnt_tx tx;
 210         } __packed tx_cts;
 211         struct {
 212                 struct vnt_rrv_time_ab ab;
 213                 union vnt_tx tx;
 214         } __packed tx_ab;
 215 };
 216
 217 struct vnt_tx_fifo_head {
 218         u32 adwTxKey[4];
 219         u16 wFIFOCtl;
 220         __le16 time_stamp;
 221         u16 wFragCtl;
 222         __le16 current_rate;
 223 } __packed;
 224
 225 struct vnt_tx_buffer {
 226         u8 byType;
 227         u8 byPKTNO;
 228         __le16 tx_byte_count;
 229         struct vnt_tx_fifo_head fifo_head;
 230         union vnt_tx_head tx_head;
 231 } __packed;
 232
 233 struct vnt_tx_short_buf_head {
 234         u16 fifo_ctl;
 235         u16 time_stamp;
 236         struct vnt_phy_field ab;
 237         __le16 duration;
 238         __le16 time_stamp_off;
 239 } __packed;
 240
 241 struct vnt_beacon_buffer {
 242         u8 byType;
 243         u8 byPKTNO;
 244         __le16 tx_byte_count;
 245         struct vnt_tx_short_buf_head short_head;
 246         struct ieee80211_hdr hdr;
 247 } __packed;
 248
 249 void vDMA0_tx_80211(struct vnt_private *, struct sk_buff *skb);
 250 int nsDMA_tx_packet(struct vnt_private *, struct sk_buff *skb);
 251 CMD_STATUS csMgmt_xmit(struct vnt_private *, struct vnt_tx_mgmt *);
 252 CMD_STATUS csBeacon_xmit(struct vnt_private *, struct vnt_tx_mgmt *);
 253
 254 #endif /* __RXTX_H__ */