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