staging/vt6656/rxtx.h

0001 /* SPDX-License-Identifier: GPL-2.0+ */
0002 /*
0003  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
0004  * All rights reserved.
0005  *
0006  * Purpose:
0007  *
0008  * Author: Jerry Chen
0009  *
0010  * Date: Jun. 27, 2002
0011  *
0012  */
0013
0014 #ifndef __RXTX_H__
0015 #define __RXTX_H__
0016
0017 #include "device.h"
0018 #include "wcmd.h"
0019 #include "baseband.h"
0020
0021 #define DEFAULT_MGN_LIFETIME_RES_64us   125  /* 64us */
0022 #define DEFAULT_MSDU_LIFETIME_RES_64us  8000
0023
0024 /* Length, Service, and Signal fields of Phy for Tx */
0025 struct vnt_phy_field {
0026     u8 signal;
0027     u8 service;
0028     __le16 len;
0029 } __packed;
0030
0031 /* MIC HDR data header */
0032 struct vnt_mic_hdr {
0033     u8 id;
0034     u8 tx_priority;
0035     u8 mic_addr2[6];
0036     u8 ccmp_pn[IEEE80211_CCMP_PN_LEN];
0037     __be16 payload_len;
0038     __be16 hlen;
0039     __le16 frame_control;
0040     u8 addr1[6];
0041     u8 addr2[6];
0042     u8 addr3[6];
0043     __le16 seq_ctrl;
0044     u8 addr4[6];
0045     u16 packing; /* packing to 48 bytes */
0046 } __packed;
0047
0048 /* RsvTime buffer header */
0049 struct vnt_rrv_time_rts {
0050     __le16 rts_rrv_time_ba;
0051     __le16 rts_rrv_time_aa;
0052     __le16 rts_rrv_time_bb;
0053     u16 wReserved;
0054     __le16 rrv_time_b;
0055     __le16 rrv_time_a;
0056 } __packed;
0057
0058 struct vnt_rrv_time_cts {
0059     __le16 cts_rrv_time_ba;
0060     u16 wReserved;
0061     __le16 rrv_time_b;
0062     __le16 rrv_time_a;
0063 } __packed;
0064
0065 struct vnt_rrv_time_ab {
0066     __le16 rts_rrv_time;
0067     __le16 rrv_time;
0068 } __packed;
0069
0070 /* TX data header */
0071 struct vnt_tx_datahead_g {
0072     struct vnt_phy_field b;
0073     struct vnt_phy_field a;
0074     __le16 duration_b;
0075     __le16 duration_a;
0076     __le16 time_stamp_off_b;
0077     __le16 time_stamp_off_a;
0078 } __packed;
0079
0080 struct vnt_tx_datahead_ab {
0081     struct vnt_phy_field ab;
0082     __le16 duration;
0083     __le16 time_stamp_off;
0084 } __packed;
0085
0086 /* RTS buffer header */
0087 struct vnt_rts_g {
0088     struct vnt_phy_field b;
0089     struct vnt_phy_field a;
0090     __le16 duration_ba;
0091     __le16 duration_aa;
0092     __le16 duration_bb;
0093     u16 wReserved;
0094     struct ieee80211_rts data;
0095     struct vnt_tx_datahead_g data_head;
0096 } __packed __aligned(2);
0097
0098 struct vnt_rts_ab {
0099     struct vnt_phy_field ab;
0100     __le16 duration;
0101     u16 wReserved;
0102     struct ieee80211_rts data;
0103     struct vnt_tx_datahead_ab data_head;
0104 } __packed __aligned(2);
0105
0106 /* CTS buffer header */
0107 struct vnt_cts {
0108     struct vnt_phy_field b;
0109     __le16 duration_ba;
0110     u16 wReserved;
0111     struct ieee80211_cts data;
0112     u16 reserved2;
0113     struct vnt_tx_datahead_g data_head;
0114 } __packed __aligned(2);
0115
0116 union vnt_tx_data_head {
0117     /* rts g */
0118     struct vnt_rts_g rts_g;
0119     /* rts a/b */
0120     struct vnt_rts_ab rts_ab;
0121     /* cts g */
0122     struct vnt_cts cts_g;
0123     /* no rts/cts */
0124     struct vnt_tx_datahead_ab data_head_ab;
0125 };
0126
0127 struct vnt_tx_mic_hdr {
0128     struct vnt_mic_hdr hdr;
0129     union vnt_tx_data_head head;
0130 } __packed;
0131
0132 union vnt_tx {
0133     struct vnt_tx_mic_hdr mic;
0134     union vnt_tx_data_head head;
0135 };
0136
0137 union vnt_tx_head {
0138     struct {
0139         struct vnt_rrv_time_rts rts;
0140         union vnt_tx tx;
0141     } __packed tx_rts;
0142     struct {
0143         struct vnt_rrv_time_cts cts;
0144         union vnt_tx tx;
0145     } __packed tx_cts;
0146     struct {
0147         struct vnt_rrv_time_ab ab;
0148         union vnt_tx tx;
0149     } __packed tx_ab;
0150 };
0151
0152 struct vnt_tx_fifo_head {
0153     u8 tx_key[WLAN_KEY_LEN_CCMP];
0154     __le16 fifo_ctl;
0155     __le16 time_stamp;
0156     __le16 frag_ctl;
0157     __le16 current_rate;
0158 } __packed;
0159
0160 struct vnt_tx_buffer {
0161     struct vnt_tx_fifo_head fifo_head;
0162     union vnt_tx_head tx_head;
0163 } __packed;
0164
0165 struct vnt_tx_short_buf_head {
0166     __le16 fifo_ctl;
0167     u16 time_stamp;
0168     struct vnt_phy_field ab;
0169     __le16 duration;
0170     __le16 time_stamp_off;
0171 } __packed;
0172
0173 int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb);
0174 int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif);
0175 int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif,
0176               struct ieee80211_bss_conf *conf);
0177
0178 #endif /* __RXTX_H__ */