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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 Chen9 *10 * Date: Jun. 27, 200211 *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 800023 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