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_usb_header { 163 u8 type; 164 u8 pkt_no; 165 __le16 tx_byte_count; 166 } __packed; 167 168 struct vnt_tx_buffer { 169 struct vnt_tx_usb_header usb; 170 struct vnt_tx_fifo_head fifo_head; 171 union vnt_tx_head tx_head; 172 } __packed; 173 174 struct vnt_tx_short_buf_head { 175 __le16 fifo_ctl; 176 u16 time_stamp; 177 struct vnt_phy_field ab; 178 __le16 duration; 179 __le16 time_stamp_off; 180 } __packed; 181 182 struct vnt_beacon_buffer { 183 struct vnt_tx_usb_header usb; 184 struct vnt_tx_short_buf_head short_head; 185 } __packed; 186 187 int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb); 188 int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif); 189 int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif, 190 struct ieee80211_bss_conf *conf); 191 192 #endif /* __RXTX_H__ */ 193