LXR linux/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 */
  25struct vnt_phy_field {
  26        u8 signal;
  27        u8 service;
  28        __le16 len;
  29} __packed;
  30
  31/* MIC HDR data header */
  32struct 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 */
  49struct 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
  58struct 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
  65struct vnt_rrv_time_ab {
  66        __le16 rts_rrv_time;
  67        __le16 rrv_time;
  68} __packed;
  69
  70/* TX data header */
  71struct 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
  80struct 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 */
  87struct 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
  98struct 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 */
 107struct 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
 116union 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
 127struct vnt_tx_mic_hdr {
 128        struct vnt_mic_hdr hdr;
 129        union vnt_tx_data_head head;
 130} __packed;
 131
 132union vnt_tx {
 133        struct vnt_tx_mic_hdr mic;
 134        union vnt_tx_data_head head;
 135};
 136
 137union 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
 152struct 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
 160struct vnt_tx_buffer {
 161        struct vnt_tx_fifo_head fifo_head;
 162        union vnt_tx_head tx_head;
 163} __packed;
 164
 165struct 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
 173int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb);
 174int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif);
 175int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif,
 176                      struct ieee80211_bss_conf *conf);
 177
 178#endif /* __RXTX_H__ */
 179