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  *
  16  * File: rxtx.h
  17  *
  18  * Purpose:
  19  *
  20  * Author: Jerry Chen
  21  *
  22  * Date: Jun. 27, 2002
  23  *
  24  */
  25
  26 #ifndef __RXTX_H__
  27 #define __RXTX_H__
  28
  29 #include "device.h"
  30 #include "wcmd.h"
  31 #include "baseband.h"
  32
  33 #define DEFAULT_MGN_LIFETIME_RES_64us   125  /* 64us */
  34 #define DEFAULT_MSDU_LIFETIME_RES_64us  8000
  35
  36 /* MIC HDR data header */
  37 struct vnt_mic_hdr {
  38         u8 id;
  39         u8 tx_priority;
  40         u8 mic_addr2[6];
  41         u8 ccmp_pn[IEEE80211_CCMP_PN_LEN];
  42         __be16 payload_len;
  43         __be16 hlen;
  44         __le16 frame_control;
  45         u8 addr1[6];
  46         u8 addr2[6];
  47         u8 addr3[6];
  48         __le16 seq_ctrl;
  49         u8 addr4[6];
  50         u16 packing; /* packing to 48 bytes */
  51 } __packed;
  52
  53 /* RsvTime buffer header */
  54 struct vnt_rrv_time_rts {
  55         __le16 rts_rrv_time_ba;
  56         __le16 rts_rrv_time_aa;
  57         __le16 rts_rrv_time_bb;
  58         u16 wReserved;
  59         __le16 rrv_time_b;
  60         __le16 rrv_time_a;
  61 } __packed;
  62
  63 struct vnt_rrv_time_cts {
  64         __le16 cts_rrv_time_ba;
  65         u16 wReserved;
  66         __le16 rrv_time_b;
  67         __le16 rrv_time_a;
  68 } __packed;
  69
  70 struct vnt_rrv_time_ab {
  71         __le16 rts_rrv_time;
  72         __le16 rrv_time;
  73 } __packed;
  74
  75 /* TX data header */
  76 struct vnt_tx_datahead_g {
  77         struct vnt_phy_field b;
  78         struct vnt_phy_field a;
  79         __le16 duration_b;
  80         __le16 duration_a;
  81         __le16 time_stamp_off_b;
  82         __le16 time_stamp_off_a;
  83         struct ieee80211_hdr hdr;
  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         struct ieee80211_hdr hdr;
  96 } __packed;
  97
  98 struct vnt_tx_datahead_ab {
  99         struct vnt_phy_field ab;
 100         __le16 duration;
 101         __le16 time_stamp_off;
 102         struct ieee80211_hdr hdr;
 103 } __packed;
 104
 105 struct vnt_tx_datahead_a_fb {
 106         struct vnt_phy_field a;
 107         __le16 duration;
 108         __le16 time_stamp_off;
 109         __le16 duration_f0;
 110         __le16 duration_f1;
 111         struct ieee80211_hdr hdr;
 112 } __packed;
 113
 114 /* RTS buffer header */
 115 struct vnt_rts_g {
 116         struct vnt_phy_field b;
 117         struct vnt_phy_field a;
 118         __le16 duration_ba;
 119         __le16 duration_aa;
 120         __le16 duration_bb;
 121         u16 wReserved;
 122         struct ieee80211_rts data;
 123         struct vnt_tx_datahead_g data_head;
 124 } __packed;
 125
 126 struct vnt_rts_g_fb {
 127         struct vnt_phy_field b;
 128         struct vnt_phy_field a;
 129         __le16 duration_ba;
 130         __le16 duration_aa;
 131         __le16 duration_bb;
 132         u16 wReserved;
 133         __le16 rts_duration_ba_f0;
 134         __le16 rts_duration_aa_f0;
 135         __le16 rts_duration_ba_f1;
 136         __le16 rts_duration_aa_f1;
 137         struct ieee80211_rts data;
 138         struct vnt_tx_datahead_g_fb data_head;
 139 } __packed;
 140
 141 struct vnt_rts_ab {
 142         struct vnt_phy_field ab;
 143         __le16 duration;
 144         u16 wReserved;
 145         struct ieee80211_rts data;
 146         struct vnt_tx_datahead_ab data_head;
 147 } __packed;
 148
 149 struct vnt_rts_a_fb {
 150         struct vnt_phy_field a;
 151         __le16 duration;
 152         u16 wReserved;
 153         __le16 rts_duration_f0;
 154         __le16 rts_duration_f1;
 155         struct ieee80211_rts data;
 156         struct vnt_tx_datahead_a_fb data_head;
 157 } __packed;
 158
 159 /* CTS buffer header */
 160 struct vnt_cts {
 161         struct vnt_phy_field b;
 162         __le16 duration_ba;
 163         u16 wReserved;
 164         struct ieee80211_cts data;
 165         u16 reserved2;
 166         struct vnt_tx_datahead_g data_head;
 167 } __packed;
 168
 169 struct vnt_cts_fb {
 170         struct vnt_phy_field b;
 171         __le16 duration_ba;
 172         u16 wReserved;
 173         __le16 cts_duration_ba_f0;
 174         __le16 cts_duration_ba_f1;
 175         struct ieee80211_cts data;
 176         u16 reserved2;
 177         struct vnt_tx_datahead_g_fb data_head;
 178 } __packed;
 179
 180 union vnt_tx_data_head {
 181         /* rts g */
 182         struct vnt_rts_g rts_g;
 183         struct vnt_rts_g_fb rts_g_fb;
 184         /* rts a/b */
 185         struct vnt_rts_ab rts_ab;
 186         struct vnt_rts_a_fb rts_a_fb;
 187         /* cts g */
 188         struct vnt_cts cts_g;
 189         struct vnt_cts_fb cts_g_fb;
 190         /* no rts/cts */
 191         struct vnt_tx_datahead_a_fb data_head_a_fb;
 192         struct vnt_tx_datahead_ab data_head_ab;
 193 };
 194
 195 struct vnt_tx_mic_hdr {
 196         struct vnt_mic_hdr hdr;
 197         union vnt_tx_data_head head;
 198 } __packed;
 199
 200 union vnt_tx {
 201         struct vnt_tx_mic_hdr mic;
 202         union vnt_tx_data_head head;
 203 };
 204
 205 union vnt_tx_head {
 206         struct {
 207                 struct vnt_rrv_time_rts rts;
 208                 union vnt_tx tx;
 209         } __packed tx_rts;
 210         struct {
 211                 struct vnt_rrv_time_cts cts;
 212                 union vnt_tx tx;
 213         } __packed tx_cts;
 214         struct {
 215                 struct vnt_rrv_time_ab ab;
 216                 union vnt_tx tx;
 217         } __packed tx_ab;
 218 };
 219
 220 struct vnt_tx_fifo_head {
 221         u8 tx_key[WLAN_KEY_LEN_CCMP];
 222         __le16 fifo_ctl;
 223         __le16 time_stamp;
 224         __le16 frag_ctl;
 225         __le16 current_rate;
 226 } __packed;
 227
 228 struct vnt_tx_buffer {
 229         u8 type;
 230         u8 pkt_no;
 231         __le16 tx_byte_count;
 232         struct vnt_tx_fifo_head fifo_head;
 233         union vnt_tx_head tx_head;
 234 } __packed;
 235
 236 struct vnt_tx_short_buf_head {
 237         __le16 fifo_ctl;
 238         u16 time_stamp;
 239         struct vnt_phy_field ab;
 240         __le16 duration;
 241         __le16 time_stamp_off;
 242 } __packed;
 243
 244 struct vnt_beacon_buffer {
 245         u8 type;
 246         u8 pkt_no;
 247         __le16 tx_byte_count;
 248         struct vnt_tx_short_buf_head short_head;
 249         struct ieee80211_mgmt mgmt_hdr;
 250 } __packed;
 251
 252 int vnt_tx_packet(struct vnt_private *, struct sk_buff *);
 253 int vnt_beacon_make(struct vnt_private *, struct ieee80211_vif *);
 254 int vnt_beacon_enable(struct vnt_private *, struct ieee80211_vif *,
 255         struct ieee80211_bss_conf *);
 256
 257 #endif /* __RXTX_H__ */