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 /* MIC HDR data header */ 27 struct vnt_mic_hdr { 28 u8 id; 29 u8 tx_priority; 30 u8 mic_addr2[6]; 31 u8 ccmp_pn[IEEE80211_CCMP_PN_LEN]; 32 __be16 payload_len; 33 __be16 hlen; 34 __le16 frame_control; 35 u8 addr1[6]; 36 u8 addr2[6]; 37 u8 addr3[6]; 38 __le16 seq_ctrl; 39 u8 addr4[6]; 40 u16 packing; /* packing to 48 bytes */ 41 } __packed; 42 43 /* RsvTime buffer header */ 44 struct vnt_rrv_time_rts { 45 __le16 rts_rrv_time_ba; 46 __le16 rts_rrv_time_aa; 47 __le16 rts_rrv_time_bb; 48 u16 wReserved; 49 __le16 rrv_time_b; 50 __le16 rrv_time_a; 51 } __packed; 52 53 struct vnt_rrv_time_cts { 54 __le16 cts_rrv_time_ba; 55 u16 wReserved; 56 __le16 rrv_time_b; 57 __le16 rrv_time_a; 58 } __packed; 59 60 struct vnt_rrv_time_ab { 61 __le16 rts_rrv_time; 62 __le16 rrv_time; 63 } __packed; 64 65 /* TX data header */ 66 struct vnt_tx_datahead_g { 67 struct vnt_phy_field b; 68 struct vnt_phy_field a; 69 __le16 duration_b; 70 __le16 duration_a; 71 __le16 time_stamp_off_b; 72 __le16 time_stamp_off_a; 73 struct ieee80211_hdr hdr; 74 } __packed; 75 76 struct vnt_tx_datahead_ab { 77 struct vnt_phy_field ab; 78 __le16 duration; 79 __le16 time_stamp_off; 80 struct ieee80211_hdr hdr; 81 } __packed; 82 83 /* RTS buffer header */ 84 struct vnt_rts_g { 85 struct vnt_phy_field b; 86 struct vnt_phy_field a; 87 __le16 duration_ba; 88 __le16 duration_aa; 89 __le16 duration_bb; 90 u16 wReserved; 91 struct ieee80211_rts data; 92 struct vnt_tx_datahead_g data_head; 93 } __packed; 94 95 struct vnt_rts_ab { 96 struct vnt_phy_field ab; 97 __le16 duration; 98 u16 wReserved; 99 struct ieee80211_rts data; 100 struct vnt_tx_datahead_ab data_head; 101 } __packed; 102 103 /* CTS buffer header */ 104 struct vnt_cts { 105 struct vnt_phy_field b; 106 __le16 duration_ba; 107 u16 wReserved; 108 struct ieee80211_cts data; 109 u16 reserved2; 110 struct vnt_tx_datahead_g data_head; 111 } __packed; 112 113 union vnt_tx_data_head { 114 /* rts g */ 115 struct vnt_rts_g rts_g; 116 /* rts a/b */ 117 struct vnt_rts_ab rts_ab; 118 /* cts g */ 119 struct vnt_cts cts_g; 120 /* no rts/cts */ 121 struct vnt_tx_datahead_ab data_head_ab; 122 }; 123 124 struct vnt_tx_mic_hdr { 125 struct vnt_mic_hdr hdr; 126 union vnt_tx_data_head head; 127 } __packed; 128 129 union vnt_tx { 130 struct vnt_tx_mic_hdr mic; 131 union vnt_tx_data_head head; 132 }; 133 134 union vnt_tx_head { 135 struct { 136 struct vnt_rrv_time_rts rts; 137 union vnt_tx tx; 138 } __packed tx_rts; 139 struct { 140 struct vnt_rrv_time_cts cts; 141 union vnt_tx tx; 142 } __packed tx_cts; 143 struct { 144 struct vnt_rrv_time_ab ab; 145 union vnt_tx tx; 146 } __packed tx_ab; 147 }; 148 149 struct vnt_tx_fifo_head { 150 u8 tx_key[WLAN_KEY_LEN_CCMP]; 151 __le16 fifo_ctl; 152 __le16 time_stamp; 153 __le16 frag_ctl; 154 __le16 current_rate; 155 } __packed; 156 157 struct vnt_tx_buffer { 158 u8 type; 159 u8 pkt_no; 160 __le16 tx_byte_count; 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 struct vnt_beacon_buffer { 174 u8 type; 175 u8 pkt_no; 176 __le16 tx_byte_count; 177 struct vnt_tx_short_buf_head short_head; 178 struct ieee80211_mgmt mgmt_hdr; 179 } __packed; 180 181 int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb); 182 int vnt_beacon_make(struct vnt_private *priv, struct ieee80211_vif *vif); 183 int vnt_beacon_enable(struct vnt_private *priv, struct ieee80211_vif *vif, 184 struct ieee80211_bss_conf *conf); 185 186 #endif /* __RXTX_H__ */ 187