drivers/staging/vt6655/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 "ttype.h"
  33 #include "device.h"
  34 #include "wcmd.h"
  35
  36 /*---------------------  Export Definitions -------------------------*/
  37
  38 /*---------------------  Export Variables  --------------------------*/
  39
  40 /*---------------------  Export Functions  --------------------------*/
  41
  42 /* MIC HDR data header */
  43 struct vnt_mic_hdr {
  44         u8 id;
  45         u8 tx_priority;
  46         u8 mic_addr2[ETH_ALEN];
  47         u8 ccmp_pn[IEEE80211_CCMP_PN_LEN];
  48         __be16 payload_len;
  49         __be16 hlen;
  50         __le16 frame_control;
  51         u8 addr1[ETH_ALEN];
  52         u8 addr2[ETH_ALEN];
  53         u8 addr3[ETH_ALEN];
  54         __le16 seq_ctrl;
  55         u8 addr4[ETH_ALEN];
  56         u16 packing; /* packing to 48 bytes */
  57 } __packed;
  58
  59 /* RsvTime buffer header */
  60 struct vnt_rrv_time_rts {
  61         __le16 rts_rrv_time_ba;
  62         __le16 rts_rrv_time_aa;
  63         __le16 rts_rrv_time_bb;
  64         u16 reserved;
  65         __le16 rrv_time_b;
  66         __le16 rrv_time_a;
  67 } __packed;
  68
  69 struct vnt_rrv_time_cts {
  70         __le16 cts_rrv_time_ba;
  71         u16 reserved;
  72         __le16 rrv_time_b;
  73         __le16 rrv_time_a;
  74 } __packed;
  75
  76 struct vnt_rrv_time_ab {
  77         __le16 rts_rrv_time;
  78         __le16 rrv_time;
  79 } __packed;
  80
  81 /* TX data header */
  82 struct vnt_tx_datahead_g {
  83         struct vnt_phy_field b;
  84         struct vnt_phy_field a;
  85         __le16 duration_b;
  86         __le16 duration_a;
  87         __le16 time_stamp_off_b;
  88         __le16 time_stamp_off_a;
  89 } __packed;
  90
  91 struct vnt_tx_datahead_g_fb {
  92         struct vnt_phy_field b;
  93         struct vnt_phy_field a;
  94         __le16 duration_b;
  95         __le16 duration_a;
  96         __le16 duration_a_f0;
  97         __le16 duration_a_f1;
  98         __le16 time_stamp_off_b;
  99         __le16 time_stamp_off_a;
 100 } __packed;
 101
 102 struct vnt_tx_datahead_ab {
 103         struct vnt_phy_field ab;
 104         __le16 duration;
 105         __le16 time_stamp_off;
 106 } __packed;
 107
 108 struct vnt_tx_datahead_a_fb {
 109         struct vnt_phy_field a;
 110         __le16 duration;
 111         __le16 time_stamp_off;
 112         __le16 duration_f0;
 113         __le16 duration_f1;
 114 } __packed;
 115
 116 /* RTS buffer header */
 117 struct vnt_rts_g {
 118         struct vnt_phy_field b;
 119         struct vnt_phy_field a;
 120         __le16 duration_ba;
 121         __le16 duration_aa;
 122         __le16 duration_bb;
 123         u16 reserved;
 124         struct ieee80211_rts data;
 125 } __packed;
 126
 127 struct vnt_rts_g_fb {
 128         struct vnt_phy_field b;
 129         struct vnt_phy_field a;
 130         __le16 duration_ba;
 131         __le16 duration_aa;
 132         __le16 duration_bb;
 133         u16 wReserved;
 134         __le16 rts_duration_ba_f0;
 135         __le16 rts_duration_aa_f0;
 136         __le16 rts_duration_ba_f1;
 137         __le16 rts_duration_aa_f1;
 138         struct ieee80211_rts data;
 139 } __packed;
 140
 141 struct vnt_rts_ab {
 142         struct vnt_phy_field ab;
 143         __le16 duration;
 144         u16 reserved;
 145         struct ieee80211_rts data;
 146 } __packed;
 147
 148 struct vnt_rts_a_fb {
 149         struct vnt_phy_field a;
 150         __le16 duration;
 151         u16 reserved;
 152         __le16 rts_duration_f0;
 153         __le16 rts_duration_f1;
 154         struct ieee80211_rts data;
 155 } __packed;
 156
 157 /* CTS buffer header */
 158 struct vnt_cts {
 159         struct vnt_phy_field b;
 160         __le16 duration_ba;
 161         u16 reserved;
 162         struct ieee80211_cts data;
 163         u16 reserved2;
 164 } __packed;
 165
 166 struct vnt_cts_fb {
 167         struct vnt_phy_field b;
 168         __le16 duration_ba;
 169         u16 reserved;
 170         __le16 cts_duration_ba_f0;
 171         __le16 cts_duration_ba_f1;
 172         struct ieee80211_cts data;
 173         u16 reserved2;
 174 } __packed;
 175
 176 struct vnt_tx_short_buf_head {
 177         __le16 fifo_ctl;
 178         u16 time_stamp;
 179         struct vnt_phy_field ab;
 180         __le16 duration;
 181         __le16 time_stamp_off;
 182 } __packed;
 183
 184 void
 185 vGenerateMACHeader(
 186         struct vnt_private *,
 187         unsigned char *pbyBufferAddr,
 188         unsigned short wDuration,
 189         PSEthernetHeader psEthHeader,
 190         bool bNeedEncrypt,
 191         unsigned short wFragType,
 192         unsigned int uDMAIdx,
 193         unsigned int uFragIdx
 194 );
 195
 196 unsigned int
 197 cbGetFragCount(
 198         struct vnt_private *,
 199         PSKeyItem        pTransmitKey,
 200         unsigned int    cbFrameBodySize,
 201         PSEthernetHeader psEthHeader
 202 );
 203
 204 void
 205 vGenerateFIFOHeader(struct vnt_private *, unsigned char byPktTyp,
 206                     unsigned char *pbyTxBufferAddr, bool bNeedEncrypt,
 207                     unsigned int cbPayloadSize, unsigned int uDMAIdx,
 208                     PSTxDesc pHeadTD, PSEthernetHeader psEthHeader,
 209                     unsigned char *pPacket, PSKeyItem pTransmitKey,
 210                     unsigned int uNodeIndex, unsigned int *puMACfragNum,
 211                     unsigned int *pcbHeaderSize);
 212
 213 void vDMA0_tx_80211(struct vnt_private *, struct sk_buff *skb,
 214                     unsigned char *pbMPDU, unsigned int cbMPDULen);
 215 CMD_STATUS csMgmt_xmit(struct vnt_private *, PSTxMgmtPacket pPacket);
 216 CMD_STATUS csBeacon_xmit(struct vnt_private *, PSTxMgmtPacket pPacket);
 217
 218 #endif // __RXTX_H__