drivers/staging/vt6656/rxtx.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   4  * All rights reserved.
   5  *
   6  * File: rxtx.h
   7  *
   8  * Purpose:
   9  *
  10  * Author: Jerry Chen
  11  *
  12  * Date: Jun. 27, 2002
  13  *
  14  */
  15
  16 #ifndef __RXTX_H__
  17 #define __RXTX_H__
  18
  19 #include "device.h"
  20 #include "wcmd.h"
  21 #include "baseband.h"
  22
  23 #define DEFAULT_MGN_LIFETIME_RES_64us   125  /* 64us */
  24 #define DEFAULT_MSDU_LIFETIME_RES_64us  8000
  25
  26 /* Length, Service, and Signal fields of Phy for Tx */
  27 struct vnt_phy_field {
  28         u8 signal;
  29         u8 service;
  30         __le16 len;
  31 } __packed;
  32
  33 /* MIC HDR data header */
  34 struct vnt_mic_hdr {
  35         u8 id;
  36         u8 tx_priority;
  37         u8 mic_addr2[6];
  38         u8 ccmp_pn[IEEE80211_CCMP_PN_LEN];
  39         __be16 payload_len;
  40         __be16 hlen;
  41         __le16 frame_control;
  42         u8 addr1[6];
  43         u8 addr2[6];
  44         u8 addr3[6];
  45         __le16 seq_ctrl;
  46         u8 addr4[6];
  47         u16 packing; /* packing to 48 bytes */
  48 } __packed;
  49
  50 /* RsvTime buffer header */
  51 struct vnt_rrv_time_rts {
  52         __le16 rts_rrv_time_ba;
  53         __le16 rts_rrv_time_aa;
  54         __le16 rts_rrv_time_bb;
  55         u16 wReserved;
  56         __le16 rrv_time_b;
  57         __le16 rrv_time_a;
  58 } __packed;
  59
  60 struct vnt_rrv_time_cts {
  61         __le16 cts_rrv_time_ba;
  62         u16 wReserved;
  63         __le16 rrv_time_b;
  64         __le16 rrv_time_a;
  65 } __packed;
  66
  67 struct vnt_rrv_time_ab {
  68         __le16 rts_rrv_time;
  69         __le16 rrv_time;
  70 } __packed;
  71
  72 /* TX data header */
  73 struct vnt_tx_datahead_g {
  74         struct vnt_phy_field b;
  75         struct vnt_phy_field a;
  76         __le16 duration_b;
  77         __le16 duration_a;
  78         __le16 time_stamp_off_b;
  79         __le16 time_stamp_off_a;
  80 } __packed;
  81
  82 struct vnt_tx_datahead_ab {
  83         struct vnt_phy_field ab;
  84         __le16 duration;
  85         __le16 time_stamp_off;
  86 } __packed;
  87
  88 /* RTS buffer header */
  89 struct vnt_rts_g {
  90         struct vnt_phy_field b;
  91         struct vnt_phy_field a;
  92         __le16 duration_ba;
  93         __le16 duration_aa;
  94         __le16 duration_bb;
  95         u16 wReserved;
  96         struct ieee80211_rts data;
  97         struct vnt_tx_datahead_g data_head;
  98 } __packed;
  99
 100 struct vnt_rts_ab {
 101         struct vnt_phy_field ab;
 102         __le16 duration;
 103         u16 wReserved;
 104         struct ieee80211_rts data;
 105         struct vnt_tx_datahead_ab data_head;
 106 } __packed;
 107
 108 /* CTS buffer header */
 109 struct vnt_cts {
 110         struct vnt_phy_field b;
 111         __le16 duration_ba;
 112         u16 wReserved;
 113         struct ieee80211_cts data;
 114         u16 reserved2;
 115         struct vnt_tx_datahead_g data_head;
 116 } __packed;
 117
 118 union vnt_tx_data_head {
 119         /* rts g */
 120         struct vnt_rts_g rts_g;
 121         /* rts a/b */
 122         struct vnt_rts_ab rts_ab;
 123         /* cts g */
 124         struct vnt_cts cts_g;
 125         /* no rts/cts */
 126         struct vnt_tx_datahead_ab data_head_ab;
 127 };
 128
 129 struct vnt_tx_mic_hdr {
 130         struct vnt_mic_hdr hdr;
 131         union vnt_tx_data_head head;
 132 } __packed;
 133
 134 union vnt_tx {
 135         struct vnt_tx_mic_hdr mic;
 136         union vnt_tx_data_head head;
 137 };
 138
 139 union vnt_tx_head {
 140         struct {
 141                 struct vnt_rrv_time_rts rts;
 142                 union vnt_tx tx;
 143         } __packed tx_rts;
 144         struct {
 145                 struct vnt_rrv_time_cts cts;
 146                 union vnt_tx tx;
 147         } __packed tx_cts;
 148         struct {
 149                 struct vnt_rrv_time_ab ab;
 150                 union vnt_tx tx;
 151         } __packed tx_ab;
 152 };
 153
 154 struct vnt_tx_fifo_head {
 155         u8 tx_key[WLAN_KEY_LEN_CCMP];
 156         __le16 fifo_ctl;
 157         __le16 time_stamp;
 158         __le16 frag_ctl;
 159         __le16 current_rate;
 160 } __packed;
 161
 162 struct vnt_tx_buffer {
 163         struct vnt_tx_fifo_head fifo_head;
 164         union vnt_tx_head tx_head;
 165 } __packed;
 166
 167 struct vnt_tx_short_buf_head {
 168         __le16 fifo_ctl;
 169         u16 time_stamp;
 170         struct vnt_phy_field ab;
 171         __le16 duration;
 172         __le16 time_stamp_off;
 173 } __packed;
 174
 175 int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb);
 176 int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif);
 177 int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif,
 178                       struct ieee80211_bss_conf *conf);
 179
 180 #endif /* __RXTX_H__ */